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3889results about How to "Reduce installation difficulty" patented technology
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Anti-back-splash sand blasting perforator
The invention relates to an anti-back-splash sand blasting perforator, which comprises a body and a nozzle, wherein a groove is formed in the outer wall of the body; an installation hole is formed in the middle of the groove; the side wall of the groove is inclined; the nozzle is installed in the installation hole; the outer end of the nozzle stretches out from the bottom surface of the groove. The anti-back-splash sand blasting perforator is simple in structure, less in parts, and easy to process and assemble; through the arranged groove and a bulge on the outer end of the nozzle, a flow guide structure is formed around the nozzle, so that back-splash liquid can be timely and uniformly flown when back splashing on the perforator, can be prevented from forming vortex in the groove, and can be prevented from flowing in the groove for a long time; the erosion of the back-splash liquid on the perforator is reduced, and the service life of the perforator is improved.
Owner:JEREH ENERGY SERVICES
Method and device for installing application software
ActiveCN102402446AReduce installation difficultyProgram loading/initiatingSoftware deploymentFile systemStructure of Management Information
The invention discloses a method and a device for installing application software and is used for solving the problems of complicated operation and high difficulty in implementation of the conventional installation process of the application software. The method comprises the following steps of: mounting the mirror image data of a virtual machine, wherein the virtual machine is a virtual machine to be subjected to installation of the application software, and mapping the mirror image data into a virtual disk in a local file system; updating a registry file in the virtual disk according to registry change record data which is included in an application software package, wherein the application software package comprises files which are increased or revised in the installation process, the registry change record data and file change record data; and according to the file change record data and the files which are increased or revised in the installation process and included in the application software package, updating the structures of the files in the virtual disk so as to realize installation of the application software in the virtual machine. In the installation process of the application software, a user of the virtual machine does not need to perform complicated operation, so that difficulty in software installation is reduced.
Owner:CHENGDU HUAWEI TECH
Vehicle tracker including a connector for an upgrade device and related methods
InactiveUS6844827B2Reduce electricity loadReduce installation difficultyRegistering/indicating working of vehiclesRoad vehicles traffic controlEngineeringCommunication device
A vehicle tracking unit may include a housing, a vehicle position determining device, a wireless communications device, and a controller carried by the housing. The controller may cooperate with the wireless communications device and the vehicle position determining device to determine and send vehicle position information to a monitoring station. Additionally, an upgrade connector may be carried by the housing and coupled to the controller. Also, an upgrade device may be removably coupled to the upgrade connector for causing the controller to perform at least one vehicle function.
Owner:OMEGA PATENTS
Laser radar and working method thereof
ActiveCN108226899AImprove angular resolutionExpand field of viewWave based measurement systemsRadarBeam splitting
The invention provides a laser radar and a working method thereof. The laser radar comprises a transmitting device, a beam splitting device, a galvanometer and a receiving device, wherein the transmitting device is used for transmitting a first laser beam to a to-be-detected object; the beam splitting device is used for splitting the first laser beam into a plurality of second laser beams, and thepropagation directions of the multiple second laser beams are different; the galvanometer comprises a first reflecting surface, the first reflecting surface is used for reflecting the second laser beams, the galvanometer is provided with a first rotary shaft and is rotated around the first rotary shaft, and an included angle between the first rotary shaft and a normal line of the first reflectingsurface is greater than zero; the receiving device is used for receiving echo beams reflected by the to-be-detected object. The laser radar has the advantage that the larger field angle can be obtained through smaller rotation angle of the galvanometer.
Owner:HESAI TECH CO LTD
BIM-based pre-assembling method for double-curved glass curtain wall
ActiveCN106013535AEliminate biasImprove installation accuracyWallsBuilding material handlingSolid componentPoint cloud
The invention relates to a BIM-based pre-assembling method for a double-curved glass curtain wall. The method includes the following steps that three-dimensional models of glass curtain wall components are established according to a modeling standard; detailed glass curtain wall component drawings are guided out and numbered, and then processing and production are carried out; three-dimensional scanning is carried out on the processed glass curtain wall components, point cloud data are obtained, and three-dimensional point cloud models are established through the point cloud data; the three-dimensional point cloud models and the three-dimensional models are compared to obtain deviation values of glass curtain wall component solid bodies, and glass curtain wall component information is adjusted till the deviation values meet glass curtain wall standard requirements; and overall pre-assembling of the three-dimensional point cloud models meeting the requirements is simulated in Revit, accumulative errors in the assembling process are eliminated till the pre-assembled three-dimensional point cloud models are completely matched with the three-dimensional models, and then the glass curtain wall components are delivered out of a factory and delivered to a construction site for solid component installation. By means of the method, the problems that the double-curved glass curtain wall is large in field installation difficulty, low in installation efficiency and low in precision are solved.
Owner:SHANGHAI BAOYE GRP CORP
Battery management system and method for initiative balance
InactiveCN104201749AExtended service lifeMonitoring and maintenance statusBatteries circuit arrangementsSecondary cells charging/dischargingState parameterManagement system
The invention provides a battery management system used for initiatively balancing a battery pack. The cell management system comprises a battery parameter acquisition module and a controllable bidirectional power supply module; the battery parameter acquisition module is used for detecting condition parameters of each battery of the battery pack; the controllable bidirectional power supply module conducts initiative balancing on the battery pack by charging and discharging the impulse of the batteries according to the condition parameters of the batteries of the battery pack. The invention further provides an initiative balancing method.
Owner:张泓 +2
Device for calibrating parallelism of optical axis of multi-axis optical system, and calibration method thereof
InactiveCN105091792AEliminate installation errorsReduce the difficulty of production and installationUsing optical meansTesting optical propertiesInstallation ErrorTheodolite
The invention discloses a device for calibrating parallelism of optical axes of a multi-axis optical system, and a calibration method thereof. The device comprises a high precision autocollimation theodolite, a planar mirror, a to-be-calibrated multi-axis optical system, a pedestal, a cross target plate and a rotary platform. The multi-axis optical system and the planar mirror are both disposed on the pedestal. The pedestal is placed on the rotary platform. The cross target plate is fixed in a position 1000 times of the longest lens focal length away from the front end of the optical system. The autocollimation theodolite is disposed behind the planar mirror and is used for aiming. Through rotation of the rotary platform many times, the direction values of the planar mirror, which are measured by aiming of the autocollimation theodolite, are obtained. The directions of optical axes can be known by calculating the direction values measured many times. The difficulties in manufacturing and installing detection equipment can be reduced, less requirements of places are needed, the measuring operation is convenient, high applicability is exhibited, and installation errors of the planar mirror are eliminated. The device is suitable for measuring or calibrating parallelism of optical axes of a multi-axis optical system and a multispectral multi-axis optical system.
Owner:XIAN UNIV OF POSTS & TELECOMM
Real-time dynamic measurement method for measuring radial clearance between steam turbine rotor and stator
ActiveCN105526878ARealize non-contact measurementFast and accurate real-time dynamic online monitoringUsing optical meansObservational errorEngineering
The invention provides a real-time dynamic measurement method for measuring radial clearance between a steam turbine rotor and a stator. The method is characterized in that the method comprises the steps of determining distance measurement devices for radial clearance, determining radial clearance between the rotor and the stator, determining the radial clearance between the rotor and the stator, determining the distance from an emitter to the surface of the rotor, calculating vertical offset amount of the rotor when the center of the rotor shifts, calculating horizontal offset amount of the rotor when the center of the rotor shifts, calculating the rotor offset amount at any position and calculating the radial clearance between the steam turbine rotor and the stator. The method can carry out dynamic measurement on the rotor labyrinth clearance and blade top labyrinth clearance of a running steam turbine accurately and quickly, thereby solving the problem that the measuring error of the radial clearance between the steam turbine rotor and the stator is large and the radial clearance cannot be measured online dynamically and accurately, ensuring safe and economical operation of the machine set and saving halt overhaul time.
Owner:NORTHEAST DIANLI UNIVERSITY
Prefabricated box culvert system and installation method thereof
The invention provides a prefabricated box culvert system. The prefabricated box culvert system comprises at least two prefabricated box culverts. Two prefabricated box culverts are located at the head end and the tail end of the prefabricated box culvert system, the prefabricated box culverts at the head end and the tail end respectively comprise a box body and two connectors, at least one connector of each box culvert comprises a bundle of bars or a pre-buried water stop belt, and the box culverts of the prefabricated box culvert system are connected through bars or the water stop belts formed through overlap welding, and are connected into the integrally-formed box culvert system through poured concrete. The invention further provides an installation method of the prefabricated box culvert system. The installation method is used for connecting the at least two prefabricated box culverts into a whole and laying the box culverts on the bottom face of a road. Compared with the prior art, the prefabricated box culvert system is simple in construction, short in construction period, low in cost, wide in application range, and suitable for municipal engineering and other large-scale traffic construction.
Owner:SICHUAN HUASHI GREEN HOMELAND BUILDING MATERIALS
Wind and wave resisting floating type offshore photovoltaic power generation platform
PendingCN110450916AReduce huge bending momentsImprove integrityPhotovoltaic supportsSolar heating energySeabedEconomic feasibility
The invention discloses a wind and wave resisting floating type offshore photovoltaic power generation platform. A platform truss, a photovoltaic plate assembly, weight balls, support columns, a floater, a heaving plate, pile foundations and mooring cables are included. The photovoltaic plate assembly is flatly laid on the platform truss. The weight balls are arranged below the platform truss. Thesupport columns are connected with the platform truss and the weight balls. The floater is fixed between the support columns, and buoyancy provided by the floater can be transmitted to the photovoltaic power generation platform. The heaving plate is connected to the lower portions of the weight balls. The pile foundations are fixed in a seabed and used for mooring the offshore photovoltaic powergeneration platform. One ends of the mooring cables are moored to the support columns, and the other ends of the mooring cables are moored to the pile foundations. By means of the wind and wave resisting floating type offshore photovoltaic power generation platform, the capability of resisting wind, waves and flow loads through a supporting structure is guaranteed, economic feasibility and construction convenience are achieved, and accordingly application of the photovoltaic power generation platform to the field of ocean open water area is assisted.
Owner:TIANJIN UNIV
Line current measuring method, device and equipment in power system and storage medium
ActiveCN109283380ARealize measurementReduce installation difficultyCurrent/voltage measurementMeasurement deviceElectric power system
The invention discloses a line current measuring method in a power system. The current value of a lead to be measured can be calculated by only obtaining first, second and third magnetic induction intensity generated by three uniaxial magnetic sensors in the magnetic sensitive directions respectively and the relative distances among the three uniaxial magnetic sensors, and the current of the leadto be measured is measured. The three uniaxial magnetic sensors are positioned in the same straight line, the straight line and the lead to be measured are not coplanar, the magnetic sensitive directions of the three uniaxial magnetic sensors are in the same direction and are in parallel with the straight line where the three uniaxial magnetic sensors are positioned. During installation, it is notrequired to fix the relative positions of primary loop lead and the three uniaxial magnetic sensors, installation is less difficult, and the measuring accuracy is improved. The invention also discloses a line current measuring device and equipment in the power system and a storage medium with the above effects.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
BIM technology-based curtain wall mounting design method
InactiveCN108460189AEliminate biasImprove installation accuracyGeometric CADDesign optimisation/simulationPoint cloudEngineering
The invention discloses a BIM technology-based curtain wall mounting design method. The method comprises the following steps of (1) importing a two-dimensional drawing of a curtain wall to BIM software Revit, and building three-dimensional models of to-be-mounted curtain wall unit members according to modeling specifications; (2) exporting detail drawings according to the three-dimensional modelsof the to-be-mounted curtain wall unit members, and performing processing production according to the detail drawings of the curtain wall unit members by a factory; (3) building three-dimensional point cloud models of the curtain wall unit members by utilizing fixed point cloud information; (4) adjusting information of the curtain wall unit members by using a processing device; and (5) simulatingwhole pre-mounting of the curtain wall in the Revit according to the three-dimensional point cloud models of the curtain wall unit members meeting specification requirements, and according to a pre-mounting process, performing entity member mounting. The BIM technology-based curtain wall mounting design method solves the problems of high field mounting difficulty, low mounting efficiency and low precision of the curtain wall.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
Automatic washing machine with precise detergent putting function
InactiveCN103334268AImprove securityAvoid damageOther washing machinesTextiles and paperControl systemEngineering
The invention discloses an automatic washing machine with a precise detergent putting function. The automatic washing machine comprises a box body, an inner washing drum in the box body, a power system and a control system, wherein a control panel and a door cover are arranged at the top of the box body, and a nozzle body is arranged at the upper part of the inner washing drum below the door cover. The automatic washing machine is characterized in that the nozzle body is a cavity, and a water outlet is arranged forwards; an openable nozzle cover is arranged at the upper part of the nozzle body, and a detergent filling port is arranged besides the nozzle body and is communicated with a liquid storage box through a liquid filling pipe; a detergent pump is also connected between the liquid storage box and the nozzle body in parallel and is controlled by the control system, and the liquid storage box is in a flat box shape and is arranged in the box body at the back of the inner washing drum below the control panel; and the height of the liquid storage box is lower than that of the detergent filling port. The automatic washing machine provided by the invention can realize multifunctional intelligent putting of various detergents, and has the advantages of safety and reliability, attractive appearance and low design difficulty.
Owner:WUXI LITTLE SWAN CO LTD
Method for realizing order analysis of rotating machinery
InactiveCN102175439AReduce manufacturing costLow costMachine part testingSubsonic/sonic/ultrasonic wave measurementAnti-aliasingFrequency spectrum
The invention discloses a method for realizing order analysis of rotating machinery, belonging to the technical field of signal processing. The method comprises the following steps of: extracting a vibration signal and a rotation speed signal of equipment by using a vibration acceleration sensor; performing anti-aliasing filtering by using an anti-aliasing filter; generating a digital signal by using a data acquisition card; generating an analog pulse by using a transmission ratio parameter and performing equal-angle resampling on the vibration signal; and realizing order analysis through spectrum conversion. By adopting the method, the defect of the need of additionally arranging a rotating speed signal sensor on an enterprise field for realizing order analysis is overcome. The method plays an important role in improving the technology of the conventional equipment.
Owner:SHANGHAI JIAO TONG UNIV
Intelligent induction shower cabin
The invention relates to an intelligent induction shower cabin, which comprises a shower cabin and an inductive control unit, wherein the inductive control unit is used for inducing the position of a human body so as to control the opening or the closing of the shower cabin, and comprises a driving motor, a microcomputer and an infrared inductive probe; when the shower cabin is in practical operation, firstly, the infrared inductive probe detects the existence of the human body and at this time sends a signal to the microcomputer, and the microcomputer commands a driver therein so as to drive the driving motor to work according to a compiled program and to drive a movable door to be opened or closed through the driving motor.
Owner:ZHONGSHAN LENS HOME CO LTD
Marine wind power direct current collecting power transmission system and design method
InactiveCN105226714AReduce volumeReduce weightElectric power transfer ac networkSingle network parallel feeding arrangementsElectric power transmissionHigh-voltage direct current
The invention discloses a marine wind power direct current collecting power transmission system and a design method. The marine wind power direct current collecting power transmission system comprises a wind farm inner electric energy collecting module, a wind farm direct current boost module, a high voltage direct current collecting and transmission module, and a land converter station grid-connected module, wherein the wind farm inner electric energy collecting module comprises a plurality of wind power generators and AC-DC rectifiers, each wind power generator converts wind energy to three-phase alternating current electric energy, the electric energy is converted to direct current electric energy via the AC-DC rectifiers, the wind farm direct current boost module comprises a plurality of DC-DC topology structures, the energy of fans in the wind farm is collected to a direct current boost station via direct current and boosted via DC-DC converters, the high voltage direct current collecting and transmission module is used for collecting high voltage direct current electric energy outputted by each wind farm, transmitting the energy to the land via a common submarine cable, and performing grid connection via a high-capacity converter station, and the land converter station grid-connected module comprises a grid-connected converter station arranged at the land side and a direct current power transmission converter station.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2
Construction technology for prefabricating a corrugated steel web PC I beam into combined box girder bridge
ActiveCN104195959ASimple structureEasy constructionBridge erection/assemblyBridge materialsEngineeringRebar
The invention discloses a construction technology for prefabricating a corrugated steel web PC I beam into a combined box girder bridge. Each combined box girder segment in a combined box girder of the combined box girder bridge is formed by connecting two corrugated steel web PC I beams. The construction technology comprises the following steps: Step I, prefabricating the corrugated steel web PC I beams: pedestal prefabricating construction, installation of a soffit formwork, installation of a reinforcement cage in a bottom plate, installation of a corrugated pipe in the bottom plate, installation of a positioning bracket and erection of a side formwork, installation of a corrugated steel web, pouring of concrete on the bottom plate, installation of a top plate molding template, installation of the reinforcement cage in a top plate, pouring of concrete on the top plate, and stretch-drawing of a cable in the bottom plate; Step II, displacement and erection of the corrugated steel web PC I beams; Step III, lengthways wet joint construction; Step IV, stretch-drawing of a cable out of the bottom plate and system conversion. According to the invention, the processing steps are simple, the design is reasonable, the implementation is convenient, the construction period is short, the construction quality is high, pedestal prefabricating and the positioning bracket are combined to complete bridge prefabrication, and the construction quality of the combined box girder bridge can be effectively ensured.
Owner:中铁二十局集团第五工程有限公司
Method for paving and sticking stone materials or ceramic tiles
The invention provides a construction method for paving and sticking stone materials or ceramic tiles on a wall or floor. The construction method comprises the following steps: sticking an extruded sheet on the back of a plate to be paved and stuck in advance and mounting stainless steel back bolts; sticking and hanging materials to be paved and stuck on the wall by using adhesive and hanging pieces so as to achieve a firm paving and sticking effect.
Owner:陈晓通
Ceiling type air conditioner indoor unit installation method and ceiling type air conditioner
InactiveCN104019536AReduce installation difficultyImprove concealmentLighting and heating apparatusSpace heating and ventilation detailsEngineering
Owner:GREE ELECTRIC APPLIANCES INC
Worm gear-worm pair backlash eliminating device adopting enveloping worm
InactiveCN101705987ACompact structureReduce volumePortable liftingGearing elementsLow noiseEngineering
The invention relates to a worm gear-worm pair backlash eliminating device adopting an enveloping worm, which mainly consists of a worm gear, a cylindrical worm, the enveloping worm, an elastic pre-tightening device and a bearing. The cylindrical worm and the enveloping worm play the main force scale division role and the resistance role respectively, and the two worms are coaxially mounted and carry out the regulation and impose the pre-tightening force on a resistance worm in the axial direction through the elastic pre-tightening device. The pre-tightening device consists of a regulating nut, two spring positioning sleeves and a pre-tightening spring, regulates and pre-tightens the resistance worm in the axial direction through the regulating nut. The elastic pre-tightening device can be one of a spring device, a hydraulic device or a pneumatic device. The resistance enveloping worm and the main force worm are coaxially mounted in the worm gear-worm pair backlash eliminating device, and the axial regulation and the pre-tightening are carried out on the resistance worm through the elastic pre-tightening device, thereby providing the more stable, high-efficient and low-noise transmission and simultaneously having the advantages of compact structure, light weight, low cost and the like. The worm gear-worm pair backlash eliminating device is applied in a transmission mechanism of a rotary workbench of a machine tool and can provide better backlash eliminating effect in comparison with a single worm gear-single worm mechanism or a double-worm gear-worm mechanism.
Owner:CHONGQING UNIV
Drilling mechanism
ActiveCN107824836ALess consumablesReduce energy consumptionBoring/drilling machinesVertical planeClassical mechanics
The invention discloses a drilling mechanism. The drilling mechanism comprises a drilling mechanism seat, wherein a drilling seat vertical plate of which an end surface faces rightwards is arranged onthe upper part of the drilling mechanism seat; a drilling mechanism mounting plate is mounted on the right side of the drilling mechanism seat vertical plate, is perpendicular to the drilling mechanism seat vertical plate and extends along a vertical plane; a drilling sliding plate guide track which extends in the vertical direction is mounted on the lower part of the front end surface of the drilling mechanism mounting plate; the drilling sliding plate guide track is connected with a drilling sliding plate through a sliding block; the upper part of the drilling sliding plate is hinged to aconnecting rod; the upper end of the connecting rod is hinged to the periphery of an eccentric wheel; the eccentric wheel is fixedly mounted at an output end of a drilling servo motor; the drilling servo motor is fixedly mounted on the upper part of the drilling mechanism mounting plate; an electric spindle which extends in the vertical direction is mounted on the lower part of the front end surface of the drilling sliding plate through an electric spindle clamping seat; and a drill bit for drilling is mounted at the lower end of the electric spindle. The drilling mechanism can carry out accurate drilling operation independently, is compact in structure and occupies small space.
Owner:YANGZHOU HAIXING CNC BRUSH MACHINERY
Passive positioning mechanical arm for propelling mechanism of endovascular intervention surgical robot
ActiveCN111449752AAchieve fixationAdapt to diversityGearboxesOperating tablesPhysical medicine and rehabilitationEndovascular interventions
The invention discloses a passive positioning mechanical arm for a propelling mechanism of an endovascular intervention surgical robot. The mechanical arm is mounted on an operating table and comprises a base module, a horizontal moving module, a lifting module, a first rotating joint, a second rotating joint and a pitch angle adjusting module, wherein the base module is mounted on the operating table; the horizontal moving module is mounted on the base module; the bottom of the lifting module is mounted on the horizontal moving module; one end of the first rotating joint is mounted at the topof the lifting module, and the other end of the first rotating joint is connected with one end of the second rotating joint; the pitch angle adjusting module is mounted at the other end of the secondrotating joint; and the surgical robot is mounted on the pitch angle adjusting module. The mechanical arm can freely adjust the horizontal displacement and angle of the surgical robot, the angle of acatheter of the surgical robot entering a blood vessel and the height of the robot in the vertical direction and lock the posture of the surgical robot to prevent shaking during an operation.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Tower crane
InactiveCN102491186AIncrease the maximum lifting heightReduce single rope tensionCranesMarine engineeringTower crane
The invention provides a tower crane. The tower crane comprises a climbing frame and jacking system (100), wherein the climbing frame and jacking system (100) comprises a climbing frame (110) and a jacking system for jacking the climbing frame (110); the jacking system comprises an upper cross beam (140) connected with the climbing frame (110), a jacking cross beam (130) supported on a standard section (2) and a hydraulic system; the hydraulic system comprises a plurality of jacking oil cylinders (120) supported between the upper cross beam (140) and the jacking cross beam (130); the jacking oil cylinders (120) are arranged on the side face, which is positioned on the balance arm side, of the climbing frame (110) and two side faces, which are adjacent to the first side face, of the climbing frame (110) respectively; and more than two jacking oil cylinders (120) are arranged on at least one of the three side faces. According to the tower crane, an upward rotary self-lifting structure is adopted in a super-huge type tower crane, so that the maximum lifting height of the super-huge type tower crane is increased.
Owner:ZOOMLION HEAVY IND CO LTD
Pole mechanical fixing structure of permanent magnet motor
InactiveCN102130554AImprove processing efficiencyReduce installation difficultyMagnetic circuit rotating partsSynchronous machinesPermanent magnet synchronous motorMagnetic poles
Owner:HARBIN INST OF TECH
Elevator weighing device
The invention relates to an elevator weighing device which comprises a rope hitch plate and a middle supporting plate. A plurality of rubber drums which are distributed side by side are arranged between the rope hitch plate and the middle supporting plate, a plurality of rope hitch springs corresponding to the rubber drums are arranged at the upper end of the middle supporting plate, an eddy current sensor, an overload detector switch, a rope loosening detector switch support and a rope loosening detector switch are arranged on the rope hitch plate, and an eddy current sensor magnetism blocking plate, an overload detector switch touch plate and a rope loosening detector switch touch plate are installed on the middle supporting plate. The elevator weighing device further comprises a plurality of rope hitch pull rods corresponding to the rubber drums and the rope hitch springs, the rope hitch pull rods sequentially penetrate through through holes of the rope hitch plate, the rubber drums, the middle supporting plate and the rope pitch springs, one end of each rope hitch pull rod is provided with a loosening-fastening nut for fixing the corresponding rope hitch spring, and the other end of each rope hitch pull rod is connected with the corresponding elevator lifting car lateral hauling rope through a connecting assembly. The elevator weighing device is simple in structure, high in lifting car weighing detection accuracy, low in cost, capable of saving shaft space, convenient to install, debug and operate and high in safety performance.
Owner:HITACHI ELEVATOR CHINA
Numerical control machine tool operation state health diagnosis system and diagnosis method
ActiveCN110554657AImprove scalabilityEasy to diagnoseProgramme controlComputer controlNumerical controlApplication server
The invention discloses a numerical control machine tool operation state health diagnosis system and diagnosis method. The system comprises an edge data acquisition module, a cloud platform and a client, the cloud platform is connected with the edge data acquisition module and the client. The cloud platform comprises a predictive diagnosis module, an information management and storage module and an application server; and the predictive diagnosis module comprises a real-time diagnosis module, a post-processing diagnosis module and a comprehensive diagnosis module. According to the system, a cloud platform with a diagnosis function is used for replacing an upper computer, the expandability is greatly improved, the diagnosis and prediction tasks can be completed only by deploying corresponding sensors on the machine tool and connecting the sensors to the cloud platform, the real-time state data of the machine tool are managed in a centralized mode through the cloud platform, and the health condition of the machine tool is evaluated and predicted through the diagnosis technology based on the neural network. The diagnosis method is simpler, and the health diagnosis accuracy is high.
Owner:HEBEI UNIV OF TECH
Wireless sensor network ad hoc network method for crop greenhouse cultivation
ActiveCN106686686AStrong reliabilityAvoid layoutClimate change adaptationNetwork topologiesWireless mesh networkGreenhouse cultivation
The invention discloses a wireless sensor network ad hoc network method for crop greenhouse cultivation in the technical field of greenhouse cultivation internet of things. A base station sends a clustering command, a hop count relationship among nodes is recorded, the node distribution density is calculated, and clusters are divided; a node receives a control instruction or a state query instruction sent by the base station, and if the node receives the control instruction, real-time monitoring and equipment regulation on the crop greenhouse cultivation growth environment information are executed according to control requirements; if the node receives the state query instruction, the self data packet transmission times are transmitted to the base station; the transmission costs of all paths are analyzed, and the path with the minimum transmission cost is selected as the optimal routing transmission path for data transmission; and after the system completes multiple times of environment information monitoring and regulation tasks, the base station carries out re-clustering according to the state information of the node. The method of the invention is applicable to an isomorphism or isomerism (node hardware isomerism) dynamic elf-organization and multi-hop transmission wireless sensor network ad hoc network.
Owner:SOUTHEAST UNIV +1
Lead current measuring method, device and equipment and readable storage medium
ActiveCN109283379ARealize measurementReduce installation difficultyCurrent/voltage measurementElectrical currentPhysics
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
Electric commercial vehicle and electric commercial vehicle split battery pack fixing device
InactiveCN103863080AImprove installation reliabilityReduce installation difficultyElectric propulsion mountingFixation pointVehicle frame
The invention discloses an electric commercial vehicle and an electric commercial vehicle split battery pack fixing device. The fixing device comprises a support assembly arranged on a longitudinal member, wherein the support assembly comprises a longitudinal installation plate installed on the ventral surface of the longitudinal member, and a horizontal installation plate, and the horizontal installation plate is installed on the upper wing surface of the longitudinal member. In this way, during battery pack installation, the fixing device can be hung onto the upper wing surface through the horizontal installation plate, then the horizontal installation plate and the upper wing surface are fixed together and the longitudinal installation plate and the ventral surface are fixed together, the fixing device can be hung onto a vehicle body during installation, and support installation difficulty is reduced; meanwhile, the number of fixation points between the support and the vehicle body is increased, and then the rotation of the support relative to the vehicle body is effectively avoided, battery pack installation reliability is improved, and the safety of the whole vehicle and the battery pack is ensured.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Eccentric screw bolt and its assemblage and construction method
The invention relates to an eccentric screw and a method for assembling and constructing the eccentric screw. The eccentric screw comprises a screw cap, a screw neck, a screw post, and a female screw, wherein the screw cap whose section is a round shape and is integrated with the eccentric screw. The diameter of the screw post is smaller than the diameter of the screw neck, the screw post and the screw neck are connected eccentrically, namely that the axial center of the screw post b is not superposed with the axial centers of the screw cap and the screw neck, a parallel notch is opened on the top face of the screw cap, and the parallel notch penetrates simultaneously through the axial centers of the screw cap and the screw neck and the axial center of the screw post. And one end of the parallel notch which penetrates the axial centers of the screw cap and the screw neck is stretched to the edges of the top face of the screw cap, and the end of the parallel notch which penetrates through the axial center of the screw post is not stretched to the edges of the top face of the screw cap. The eccentric screw can regulate the location of a decorative plate without regulating a keel, and more easily controls the global paleness, and assembly type construction increases the speed of the construction.
Owner:北京市建筑工程装饰集团有限公司 +1
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