Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
54results about How to "Reduce construction and maintenance costs" 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
Down-hole gross coal dirt-discharging and mine water treating combined process
An underground gross coal gangue removal and mine water treatment combined process is characterized in that the process comprises two parts: gangue removal operation from lump coal and mine water solid-liquid separation operation, wherein, the gangue removal operation from lump coal comprises screening, crushing and separation steps, and the mine water solid-liquid separation operation comprises hydraulic classification, concentration and pressure filtration steps; by the gangue removal operation from lump coal, chunks of gangues in the gross coal are removed, and simultaneously the large particles thereof are crushed into appropriate size; by the mine water solid-liquid separation operation, the solid substances in the mine water are recycled to a coal streamline, and simultaneously the clear overflow water is delivered to a underground water sump; the coal muddy water generated by the gangue removal operation from lump coal is delivered to a mine water solid-liquid separation system for treatment and the mine water solid-liquid separation system provides water for washing and selection for the gangue removal operation from lump coal, so the coal muddy water and the water for washing and selection are combined into an organic whole.
Owner:HENAN POLYTECHNIC UNIV
Icing degree classifying system for power transmission line
ActiveCN102156793AReduce construction and maintenance costsAvoid blind maintenanceSpecial data processing applicationsSocial benefitsEconomic benefits
The invention discloses an icing degree classifying system for a power transmission line, aiming at solving the problem that the systematized icing degree classifying system which causes the influence of local meteorology and topographical feature on icing degree is not established in the prior art. The icing degree classifying system comprises a system module, a high-resolution reanalysis circulation data ERA-40 database, an NCEP / NCAR reanalysis database, an area icing observation database, an area meteorology database, an area topography database and a displaying and printing system, wherein the system module is used for classifying the icing degree of the power transmission line and is controlled through a CPU; the high-resolution reanalysis circulation data ERA-40 database, the NCEP / NCAR reanalysis database, the area icing observation database, the area meteorology database and the area topography database are respectively connected with the input ends of the system module; and the displaying and printing system is connected with the output end of the system module. On the premise of ensuring the safe running of the power transmission line, the icing degree classifying system saves project investment, reduces later maintenance cost, prolongs the service life of the power transmission line, and provides the advanced and applicable technique for the design of the power transmission line in future, thus having good economic benefit and social benefit.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
Train integrated navigation method based on precise point positioning
ActiveCN108226985AHigh precisionImprove update rateNavigation by speed/acceleration measurementsSatellite radio beaconingGuidance systemData file
The invention provides a train integrated navigation method based on precise point positioning. The method comprises the following steps: firstly, recording an original observation data file by a train satellite receiver; secondly, calculating an issued high-precision satellite orbit and a satellite clock error product according to an IGS (Inertial Guidance System) data processing center, resolving position coordinates of train operation, and calculating correction parameters such as whole cycle ambiguity and receiver clock errors; thirdly, combining the correction parameters with train three-dimensional attitude information with high update rate, which is measured by an inertial navigation system to provide high-precision train positioning information and improve positioning continuity and short-time precision. According to the method, the problem that a differential reference station has distance limit for satellite positioning precision can be solved by using double-frequency phaseand a pseudo-range observation value of a single satellite receiver; train position information with high precision and high update rate is obtained by combining with the inertial navigation system, and thereby higher flexibility and lower construction and maintenance cost are realized.
Owner:BEIJING JIAOTONG UNIV
Assembly type hydraulic box culvert template and construction method of prefabricated assembly type box culvert of assembly type hydraulic box culvert template
ActiveCN110421687AImprove entity qualityImprove pass rateDischarging arrangementGround-workSocial benefitsRebar
The invention provides an assembly type hydraulic box culvert template and a construction method of a prefabricated assembly type box culvert of the assembly type hydraulic box culvert template, and belongs to the field of highway engineering construction. The assembly type hydraulic box culvert template comprises a template, a hydraulic power system and an adjusting support. The construction method comprises the steps that the assembly type hydraulic box culvert template is installed; the template is used; steel bars are machined and installed; a steel bar framework is hoisted put into the template; an internal mold is installed; the template is installed while concrete is poured; the concrete is poured; the concrete is cured; and the template is removed, and finally the prefabricated assembly type box culvert is prepared. The box culvert can be prefabricated in a centralized mode, and is installed on site, so that a lot of concrete is saved, the construction progress is accelerated,construction cost is reduced, damage and pollution to underground water and soil are greatly reduced, and the box culvert is especially prominent in green and environment-protecting aspects; and the entity quality of culverts is effectively improved, the yield of the appearance and a protection layer is greatly improved, and good economic and social benefits are obtained.
Owner:INNER MONGOLIA ROAD & BRIDGE
Circuit resource controller
ActiveCN107571889AIncrease profitImprove driving efficiencyRailway traffic control systemsMachine controlComputer module
The invention discloses a circuit resource controller. The controller comprises a turnout controlling module, a signal machine controlling module, a zone controlling module and a platform controllingmodule; the turnout controlling module is configured to conduct priority level sequencing on turnout requisition applications issued by application equipment and orderly distribute the right of turnout requisition in order of priority from high to low; the signal machine controlling module is configured to receive route applications of a train automatic monitoring system and control lamp displaying of a signal machine in an application route; the zone controlling module is configured to collect a occupying / idle state of an axle-counting zone and receive state query applications for the zone and feed back the state of query equipment to applicants; and the platform controlling module is configured to collect the state of an emergency stopping button and a shield door and receive state queryapplications for the platform and feed back the query result to the applicants.
Owner:HUNAN CRRC TIMES SIGNAL & COMM CO LTD
Flowing current separation process coal mine underground gangue dumping system
ActiveCN103480482AIncrease production capacityImprove efficiencyWet separationEngineeringBucket elevator
The invention relates to a flowing current separation process coal mine underground gangue dumping system. The technical scheme includes that a run-of-mine coal conveyor is mounted on one side of a feeding end of a roller screen, two ends of an on-screen selected raw material coal conveyor are connected with a front-screen chute of the roller screen and a feeding port of a flowing current separation machine respectively, a block coal of the flowing current separation machine is connected with a dewatering screen, an oversize material discharging end of the dewatering screen is sequentially connected with a block coal conveyor, a block coal transferring conveyor and a pulverized coal conveyor, a high frequency screen is mounted in the middle of the block coal conveyor, under-screen water of the dewatering screen is connected with a concentration tank through a pipeline, the concentration tank is connected with the high frequency screen, a gangue outlet of the flowing current separation machine is connected with a bucket elevator, a discharging end of the bucket elevator is sequentially connected with a gangue conveyor, a gangue transferring conveyor and a gangue warehousing conveyor, under-screen water of the high frequency screen and overflow of the concentration tank are connected with a circulating water tank through pipelines respectively, and the circulating water tank is connected with a water inlet of the flowing current separation machine through a circulating water pump and a pipeline. The flowing current separation process coal mine underground gangue dumping system is simple in process, good in separation effect, low in power consumption and low in operating cost.
Owner:沈阳科迪通达工程技术有限公司
Indoor relative position determining system, control method and control device
InactiveCN103974196AReduce construction and maintenance costsLow environmental requirementsBroadcast service distributionWireless commuication servicesReal-time computingData processing
The invention provides an indoor relative position determining system and method based on 802.11 series protocols and EBP broadcasting. The indoor relative position determining system comprises a plurality of EBPs (ESSID broadcast points), a plurality of mobile terminals supporting the 802.11 series protocols and a background data processing center. The EBPs are distributed indoors to form an 802.11 microcellular network, each EBP covers a specific region, and ESSID information preset by the EBPs is broadcasted continuously. The mobile terminals obtain an indoor map containing all EBP position information of the system from the background data processing center and receive wireless signals covering the terminals and based on the 802.11 series protocols, a current ESSID is obtained, the ESSID is matched with local pre-stored information, and accordingly the relative positions of the mobile terminals are determined. The background data processing center conducts management on the indoor map and EBP position databases and provides information interaction of positions shared by users.
Owner:上海欧科微航天科技有限公司
Dense-medium shallow-groove separating and waste-rock exhausting system used under coal mine
InactiveCN101670310AReduce ineffective lift trafficIncrease production capacityWet separationProduction rateSlag
The invention relates to a dense-medium shallow-groove separating and waste-rock exhausting system used under coal mine. A raw-coal belt conveyer is arranged on the feeding end side of a roller screen; a fine-cold belt conveyer arranged below the roller screen; a lump-coal belt conveyer is arranged between the discharging end of materials on the roller screen and a feeding end of a dense-medium shallow-groove separator; the dense-medium shallow-groove separator is connected with a clean-coal medium-removing scraping plate conveyor through an overflow groove; a waste-rock medium-removing scraping plate conveyor is arranged below the dense-medium shallow-groove separator; the clean-coal medium-removing scraping plate conveyor is connected with a clean-coal belt conveyer; the clean-coal beltconveyer is connected with the fine-cold belt conveyer which is arranged below the roller screen; the waste-rock medium-removing scraping plate conveyor is connected with a first waste-rock belt conveyer; the first waste-rock belt conveyer is connected with a second waste-rock belt conveyer; a qualified-medium barrel is connected with the dense-medium shallow-groove separator; and a diluted-mediumbarrel is connected with a slag slurry pump and a magnetic separator. The invention can greatly reduce the ineffective conveying volume of the waste rock in the mine, improve the producion rate, lower the operating cost and avoid causing pollution to the environment.
Owner:王迪业
Medical simulation diagnosis and treatment teaching system based on cloud platform
InactiveCN104680910AComplete informationPowerfulData processing applicationsEducational modelsStatistical analysisComputer science
The invention discloses a medical simulation diagnosis and treatment teaching system based on a cloud platform. The medical simulation diagnosis and treatment teaching system based on the cloud platform comprises a simulation diagnosis and treatment teaching platform, a cloud management and control center, a school management module, a teacher teaching module, a student learning module, a teaching management department static analysis module and a short message platform. By adopting the medical simulation diagnosis and treatment teaching system, students can directly and personally join in analysis and judgment on clinical cases outside conventional teaching modes, due to PBL problem-orientated teaching, the learning impression of different subjects of clinical medicine is enhanced for the students, the learning interest of the students is greatly improved, the students are helped to deeply understand and master special knowledge, the final graduation scores of the students are increased, and the practical capability of the students is improved.
Owner:罗娜
Lightweight train control system based on TAG positioning
ActiveCN110356434ASimple structureImprove acceleration performanceAutomatic systemsSignalling indicators on vehiclePilot systemControl system
The invention relates to a lightweight train control system based on TAG positioning. The lightweight train control system based on TAG positioning comprises a central device, a station automatic pilot system and an on-board device. The central device is in communication with the station automatic pilot system. The station automatic pilot system is in communication with the on-board device. The central device is used for sending an operation plan and a rail section occupation condition to the station automatic pilot system. The station automatic pilot system is used for adjusting the operationlevel of a train according to the operation plan and rail section occupation condition sent from the central device. The on-board device comprises an on-board automatic pilot system which is in communication with the station automatic pilot system. The on-board automatic pilot system is used for receiving operation plan information of the station automatic pilot system and controlling the train to operate automatically. The lightweight train control system based on TAG positioning is simple in structure, high in expansibility and almost free of dependence, and modifications to existing systems are few.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD
Novel bridge structure without expansion joints
InactiveCN104213499AReduce constructionReduce shockBridge structural detailsArchitectural engineeringBridge deck
The invention discloses a novel bridge structure without expansion joints. The novel bridge structure comprises a main beam (1), a bridge abutment (2) and a butt strap (3) which is also called an approach flap or a settlement plate. The main beam (1) is supported on the bridge abutment (2) through a bridge deck slab or case-in-place layer joint seams on the main beam and is connected with the butt strap (3) through steel bars (4), the top face and the bottom face of the butt strap (3) are respectively provided with a plurality of cross seams (7) at a certain depth, the butt strap (3) is connected with breaking joints of a pavement base (5), and asphalt concrete mat formations or asphalt concrete surface layers (6) are laid on the main beam (1) and the butt strap (3). The expansion joints between the end of the beam and the bridge abutment can be eliminated, bumping at a bridge head and impact of vehicles an be relieved, rain water and dust can be prevented from entering the beam, design and construction are easy and convenient to carry out and daily maintenance is needless.
Owner:陈从春
A method for selecting a multi-target location of hierarchical rescue station for urban rail transit
ActiveCN109359845AReduce construction and maintenance costsEffective rescueCharacter and pattern recognitionResourcesDecision takingEngineering
A method for selecting a multi-target location of hierarchical rescue station for urban rail transit features. The method includes establishment of the rescue station network-vulnerability assessment,vulnerability classification, and determination of the coverage function. establishment of a multi-objective location model suitable for urban rail transit level rescue station planning decision-making, and algorithm design; from economy, efficiency, coverage, the accuracy and rationality of the location method of the rescue station is improved, and finally rapid rescue response and efficient material supply can be achieved. The method can effectively reduce the construction and maintenance cost of the rescue network, but also ensure the efficient and timely rescue of emergencies. It can provide rail transit enterprises with location decision-making schemes with different decision-making preferences to meet the needs of actual site selection work.
Owner:NANJING METRO GRP +3
Automatic lifting monitoring camera device with automatic coiling function
InactiveCN104456022ASave spaceReduce construction and maintenance costsStands/trestlesEngineeringPulley
The invention relates to an automatic lifting monitoring camera device with an automatic coiling function. The automatic lifting monitoring camera device is technically characterized by comprising a lifting track, a camera platform, a pulley block, a motor transmission mechanism and an automatic coiling mechanism, wherein the lifting track is fixedly installed on the surface of a rod body of a high-pole lamp; the camera platform is glidingly mounted on the lifting track; the pulley block is mounted at the top of the lifting track; the motor transmission mechanism is mounted below the lifting track; the motor transmission mechanism carries out lifting operation by pulling the camera platform through a loading steel wire rope; a monitoring camera is mounted on the camera platform; the automatic coiling mechanism and the motor transmission mechanism are connected with each other to coil a wire cable of the monitoring camera. The automatic lifting monitoring camera device with the automatic coiling function not only provides convenient conditions for the mounting and construction of the monitoring camera, but also regularly coils up the wire cable of the monitoring camera, so as to prevent the wire cable from damage caused by involvement, provides convenience for cable arrangement, improves the normal operation of the monitoring camera, saves the space, and reduces the construction cost and maintenance cost.
Owner:TIANJIN CHUANSHI TECH
Electric charge settlement system without direct data interaction between charging pile and public communication network
InactiveCN106991567AReduce construction and maintenance costsTwo-way communication securityPayment architectureSecure communicationBilling system
The invention discloses an electricity bill settlement system in which a charging pile does not directly exchange data with a public communication network, including a charging pile, mobile phone payment software, and mobile phone management software. The charging pile includes a charging module, a display screen, a communication module, and a control module. The charging pile of the present invention does not directly exchange data with the public communication network. In the case of network interruption, the charging pile can interact with the public network through the mobile phone payment software and mobile phone management software, and communicate with the public network through the infrared scanner. The displayed QR code or barcode communicates with the charging pile, enabling two-way secure communication, high multi-service speed, and low construction and maintenance costs, which greatly alleviates the restriction of network interruption on charging pile settlement and improves the utilization rate of charging piles.
Owner:NANJING JIETAI ELECTRIC POWER EQUIP
Parking fee payment method based on financial IC cards
InactiveCN104680599ASave payment timeSave human effortTicket-issuing apparatusCredit cardManagement system
The invention discloses a parking fee payment method based on financial IC cards. The parking fee payment method comprises the following steps that (1) a vehicle owner puts a financial IC card on a card reading terminal at an entrance, and the card reading terminal transmits the information of the financial IC card to a parking lot management system and mutually correlates the information of the financial IC card with corresponding vehicle information; (3) the vehicle owner parks the vehicle in a parking lot; (4) the vehicle owner puts the financial IC card on a card reading terminal at an exit, the card reading terminal transmits information to the parking lot management system, and the parking lot management system identifies and compares the information of the financial IC card; and (5) the parking lot management system charges according to a charging standard and a parking time and prompts the vehicle owner about the callable parking fee, and the system deducts the corresponding parking fee from the flash payment account of the financial IC card after the confirmation of the vehicle owner. According to the parking fee payment method disclosed by the invention, the financial IC cards are used for paying the parking fees to achieve the credit card payment effect of the parking fees, achieve automatic and convenient parking fee payment and satisfy the requirements of most vehicle owners for quickly paying the parking fees.
Owner:GUANGDONG YITING INFORMATION TECH
Desulfurized reclaimed rubber recycled asphalt mixture and preparation method thereof
The invention discloses a desulfurized reclaimed rubber recycled asphalt mixture and a preparation method thereof, and belongs to the technical field of road engineering materials. The desulfurized reclaimed rubber recycled asphalt mixture is prepared from the following raw materials in parts by weight: 25-45 parts of an old asphalt pavement reclaimed material, 2-8 parts of matrix asphalt, 0.5-4 part of desulfurized rubber powder, 45-60 parts of a new aggregate and 3-8 parts of a component solubilizer. The preparation method comprises the following steps: heating and mixing the recycled asphalt pavement material of an old road and the matrix asphalt, adding the new aggregate, and finally adding the desulfurized rubber powder and the component solubilizer for modification. According to thedesulfurized reclaimed rubber recycled asphalt mixture, environmental pollution can be reduced, and the road maintenance and reconstruction cost can be reduced; and meanwhile, good anti-cracking performance is achieved, and emission of harmful gas can be reduced.
Owner:SOUTHEAST UNIV
Watersaving construction technique for maintaining concrete wet
InactiveCN1540097ASolve the problem of multiple wateringImprove maintenance qualityRoads maintainenceWater savingRoad surface
A water-saving technology for curing concrete includes spreading concrete without floating water, sprinkling water, covering by a hydroscopic moisture-preserving cored film, sprinkling water until the cored film is saturated, covering by a surface film, and fixing its edges unitil the curing stage is finished. Its advantages are high curing quality and less consumption of water.
Owner:湖南圣华节水科技股份有限公司
Overhead integral refrigerator
InactiveCN104482705AReduce construction and maintenance costsImprove equipment qualityLighting and heating apparatusRefrigeration devicesEvaporatorEngineering
The invention discloses an overhead integral refrigerator, which comprises a cold air unit and a refrigerating unit, wherein the refrigerating unit is used for providing refrigerant for the cold air unit, the cold air unit comprises an evaporator, a fan and a heat isolation box body, the evaporator is arranged in the heat isolation box body, the heat isolation box body is arranged at the top part of a cold storage, the bottom part of the heat isolation box body is communicated with the top part of the cold storage, a flow separating plate is arranged at the communicating part, the heat isolation box body is separated into an air return area and an air outlet area by the flow separating plate and the cold air unit, the fan is arranged in the air outlet area and is used for exhausting the air from the air return area to the air outlet area, and the refrigerating unit and the heat isolation box body are arranged at the top part of the cold storage. The overhead integral refrigerator has the advantages that the overhead integral refrigerator is independent refrigerating equipment, the site construction and installation of the cold storage are convenient, the construction and maintenance cost of the refrigerating equipment is reduced, the quality of the equipment is improved, and the overhead integral refrigerator is suitable for one to fifteen refrigerating equipment.
Owner:广西钦州市奇福保温冷冻设备有限公司
A floating net type building group characterized by city and countryside integration
ActiveCN104895353AShorten the lengthSmall footprintPublic buildingsBuilding constructionsRural areaWater channel
The invention provides a floating net type building group characterized by city and countryside integration. The floating net type building group comprises a large urban district, medium urban districts, small urban districts, basic level urban districts, urban function zones and rural function zones and also comprises a plurality of water channels in rivers, lakes, seas, canals and ditches and floating bridges floating in the water channels. Each floating bridge at least comprises a longitudinal channel provided with a footway, an electric wheel drive transportation lane and a vacuum magnetic levitation transportation tunnel, and also comprises various public service pipelines for water supply, water drainage, power supply, gas and communication. The floating net type building group is characterized in that the large urban district, the medium urban districts, the small urban districts and part of the basic level urban districts are disposed on the floating bridges in a layered manner; the floating bridges are laid in the rivers, ditches, lakes and seas in a manner of intersecting vertically and horizontally like net lines. The urban and rural building group is distributed along traffic routes continuously as a narrow band; the traffic routes and the pipelines for water supply, water drainage, gas, power supply and communication are arranged in parallel, so that the construction and repair cost is reduced. The city and countryside integration building group structure mode is high in investment efficiency.
Owner:青岛易企帮科技服务有限公司
Arc-shaped lifting ecological gate
PendingCN106677139AImprove passing abilityReduce construction and maintenance costsBarrages/weirsEcological environmentEngineering
The invention discloses an arc-shaped lifting ecological gate. A dam body is provided with a gate groove. An arc-shaped gate blade is arranged in the gate groove, and two support arm grooves are formed in the downstream face of the gate groove and communicate with the gate groove. Support arms are arranged in the support arm grooves. The support arms and the arc-shaped gate blade are fixedly connected into a whole. Each support groove is internally and fixedly provided with a buttress. Each buttress is movably connected with the corresponding support arm through a hydraulic oil cylinder. The upper portion of each buttress is fixedly provided with a gate blade support. Each gate blade support is movably connected with the corresponding support arm through a gate blade rotating shaft. The arc center of the arc-shaped gate blade is consistent with the center position of the gate blade rotating shaft. According to the arc-shaped lifting ecological gate, protruding buttresses on the outer surface of the dam body are completely removed, and therefore the problem that when the gate is in a completely open state, the gate blade and the buttresses resist water and rubbish is solved, the discharge capacity is greatly improved, and the natural ecological environment requirement of a river way is achieved.
Owner:浙江衢州河口闸门有限公司
Indoor distributed system integrated switching power supply and power supply method thereof
ActiveCN103580084BImplement charge managementGood adaptability to ambient temperature characteristicsBatteries circuit arrangementsElectric powerHigh-voltage direct currentEngineering
Owner:中国移动通信集团甘肃有限公司
Method for comprehensively evaluating positioning precision of train positioning unit
ActiveCN110850447AReduce construction and maintenance costsReduce construction costsSatellite radio beaconingFrame of referenceAbsolute positioning
The invention provides a method for comprehensively evaluating positioning precision of a train positioning unit. The method comprises the following steps: selecting a SPAN-FSAS integrated navigationsystem as a real-time reference system, calculating an instantaneous positioning error between the same epoch train positioning unit and the real-time reference system, and evaluating the real-time positioning precision of the train positioning unit; and selecting a positioning result of GNSS / INS tight coupling and RTKLIB dynamic mode calculation as a post-processing positioning precision evaluation reference, calculating a post-processing positioning precision evaluation index of a train based on the post-processing positioning precision evaluation reference, and evaluating the post-processing positioning precision of the train positioning unit. According to the method, different high-precision reference systems are selected to serve as the real-time positioning precision evaluation reference and the post-processing positioning precision evaluation reference of the train positioning unit correspondingly, the train positioning precision evaluation index is calculated correspondingly, the positioning performance of the train positioning unit is evaluated comprehensively and quantitatively, and the method has the characteristics of low construction and maintenance cost and capabilityof obtaining absolute positioning precision.
Owner:BEIJING JIAOTONG UNIV
Blast furnace main runner surface mulch
The invention discloses blast furnace main runner surface mulch. The mulch comprises the following components by weight percent: 60-75wt% of silica brick recycled materials, 24-38wt% of torpedo ladle brick recycled materials and 1-2wt% of binder. Preparation processes include raw material preparation, raw material weighing and uniform mixing. The blast furnace main runner surface mulch has the characteristics of simple preparation processes, convenient equipment maintenance and construction, excellent slag isolating property, low comprehensive cost, and the like, is wide in raw material sources and has obvious economic and social benefits.
Owner:武钢集团有限公司
Icing degree classifying system for power transmission line
ActiveCN102156793BReduce construction and maintenance costsAvoid blind maintenanceSpecial data processing applicationsTopographyRemote sensing
The invention discloses an icing degree classifying system for a power transmission line, aiming at solving the problem that the systematized icing degree classifying system which causes the influence of local meteorology and topographical feature on icing degree is not established in the prior art. The icing degree classifying system comprises a system module, a high-resolution reanalysis circulation data ERA-40 database, an NCEP / NCAR reanalysis database, an area icing observation database, an area meteorology database, an area topography database and a displaying and printing system, wherein the system module is used for classifying the icing degree of the power transmission line and is controlled through a CPU; the high-resolution reanalysis circulation data ERA-40 database, the NCEP / NCAR reanalysis database, the area icing observation database, the area meteorology database and the area topography database are respectively connected with the input ends of the system module; and the displaying and printing system is connected with the output end of the system module. On the premise of ensuring the safe running of the power transmission line, the icing degree classifying system saves project investment, reduces later maintenance cost, prolongs the service life of the power transmission line, and provides the advanced and applicable technique for the design of the power transmission line in future, thus having good economic benefit and social benefit.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
Flowing current separation process coal mine underground gangue dumping system
Owner:沈阳科迪通达工程技术有限公司
Intelligent well lid monitoring system based on NB-IOT technology
PendingCN112627239ASolve the problem that the information cannot be reportedMeet the huge demandArtificial islandsUnderwater structuresComputer hardwareAutomatic control
The invention provides an intelligent well lid monitoring system based on an NB-IOT technology, and relates to the technical field of intelligent management of cable tunnel well lids. The intelligent well lid monitoring system structurally comprises a well lid, a lock body, a control box, a cloud server, a PC terminal monitoring system and a mobile terminal APP, wherein the control box and the lock body are arranged on the back surface of a well lid body, the control box is in control connection with the lock body, the control box is connected with the cloud server through a wireless network, and the cloud server is connected with the PC terminal monitoring system and the mobile terminal APP through a network. The intelligent well lid monitoring system has the beneficial effects that the networked monitoring of the well lid is realized, so that the well lid cannot be opened at will, the remote automatic control of unlocking and locking is realized, and the alarm function when the well lid is damaged by external force or illegally opened is realized.
Owner:XINING POWER SUPPLY CO OF STATE GRID QINGHAI ELECTRIC POWER CO +2
Train reduced scale model device for aerodynamic noise wind tunnel test and noise test method of train scale model device
ActiveCN109307583AReduced construction and maintenance costsThe test went wellAerodynamic testingBogieSensor array
The invention relates to a train reduced scale model device for aerodynamic noise wind tunnel test and a noise test method of the train reduced scale model device, and belongs to the technical field of high-speed train aerodynamic noise test. The device comprises a lower-end fully-closed base, a reduced scale model vehicle body, a plurality of reduced scale passage connection parts, a reduced scale rail, a reduced scale pantograph, a pantograph reduced scale diversion cover, a plurality of reduced scale steering racks and a reduced scale wheel set thereof, wherein the lower-end fully-closed base is used for a detachable reduced scale vehicle body, the reduced scale model vehicle body is provided with a reduced scale cowcatcher and is not provided with a steering rack, and the reduced scalemodel vehicle body and a sub-structure to which the reduced scale model vehicle body belongs are one eighth of sizes of a corresponding true vehicle to be tested and the rail. With regard to the characteristics of a high-speed train model and a noise source position, different model structures are designed to process different noise sources, a free field sensor and sensor array equipment for voice source identification are arranged outside a flow field and are used for acquiring voice radiation information of a model noise source on the outside and information of the noise sources, the main noise source characteristics on the model are analyzed, and the problem of noise contribution of the noise source to the whole model is analyzed.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
A prefabricated hydraulic box culvert formwork and a construction method for the prefabricated box culvert
ActiveCN110421687BSave amountSave materialDischarging arrangementGround-workSocial benefitsArchitectural engineering
Owner:INNER MONGOLIA ROAD & BRIDGE
Noise test method using train scale model device for aerodynamic noise wind tunnel test
ActiveCN109307583BReduce construction and maintenance costsThe test went wellAerodynamic testingBogieScale model
The invention relates to a train reduced scale model device for aerodynamic noise wind tunnel test and a noise test method of the train reduced scale model device, and belongs to the technical field of high-speed train aerodynamic noise test. The device comprises a lower-end fully-closed base, a reduced scale model vehicle body, a plurality of reduced scale passage connection parts, a reduced scale rail, a reduced scale pantograph, a pantograph reduced scale diversion cover, a plurality of reduced scale steering racks and a reduced scale wheel set thereof, wherein the lower-end fully-closed base is used for a detachable reduced scale vehicle body, the reduced scale model vehicle body is provided with a reduced scale cowcatcher and is not provided with a steering rack, and the reduced scalemodel vehicle body and a sub-structure to which the reduced scale model vehicle body belongs are one eighth of sizes of a corresponding true vehicle to be tested and the rail. With regard to the characteristics of a high-speed train model and a noise source position, different model structures are designed to process different noise sources, a free field sensor and sensor array equipment for voice source identification are arranged outside a flow field and are used for acquiring voice radiation information of a model noise source on the outside and information of the noise sources, the main noise source characteristics on the model are analyzed, and the problem of noise contribution of the noise source to the whole model is analyzed.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
Manufacturing method of heat-insulating decorative board
ActiveCN101736875BImprove thermal insulation performanceLight in massCovering/liningsGlass fiberMetallurgy
The invention provides a novel heat-insulating decorative board which comprises a decorative protection layer and a heat-insulating layer, aiming at the problems of high heat conductivity coefficient and poor environmental protection performance of the heat-insulating decorative board in the prior art. The heat-insulating decorative board is characterized in that the heat-insulating layer comprises a glass fiber core material board; slotted holes are uniformly distributed on the upper surface and the lower surface of the core material board; getters are placed in the slotted holes; and a gas blocking film is coated at the periphery of the core material board. In addition, the invention also provides a manufacturing method of the heat-insulating decorative board. The heat-insulating capacity of the heat-insulating decorative board of the invention is obviously better than that of the traditional heat-insulating material; the heat conductivity coefficient of the heat-insulating decorative board is only 0.002-0.004W / (m*K), and the thickness is only 10-30mm; the quality of the heat-insulating decorative board is light and is 50% of the quality of the conventional heat-insulating board; and the security of the heat-insulating decorative board is higher than that of the traditional heat-insulating system for external walls.
Owner:ANHUI KERUIKE INSULATION MATERIAL
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com