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63results about How to "Guaranteed close" patented technology
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Tile paving method
InactiveCN108222450AAvoid misalignmentGuaranteed aestheticsBuilding constructionsDislocationCivil engineering
The invention provides a tile paving method. The tile paving method comprises the following steps that the base surface is cleaned, and the perpendicularity and flatness of the base surface are detected; planning is carried out according to an area needed to be tiled, and the vertical and horizontal datum lines used for tile positioning are popped up; tiles are cleaned, and it is ensured that corners and the two surfaces of the tiles are free of oil fouling; the tiles are paved, the tiles are positioned using a leveling device, the tiles are leveled using the leveling device, and the tile seamwidth formed between every two adjacent tiles is 1.5-3 mm; after mortar is solidified, a flattening cover is removed, and pointing operation is carried out; and after the pointing is completed, a thin film is attached to the surface of the tiles after paving for conserving for 5-10 days. According to the tile paving method, dislocation phenomenon of the tiles is avoided during leveling, gaps between the tiles are controlled to be reasonable, and the beauty and practicability of the tiles after paving are enhanced.
Owner:广州炬隆卫浴制品有限公司
Central air conditioner simulating system and method based on algorithm verification of group intelligent building platform
InactiveCN109324522AImprove interaction efficiencyShorten the development cycleSimulator controlControl systemSimulation
The invention discloses a central air conditioner simulating system and a method based on the algorithm verification of a group intelligent building platform. The group intelligent building platform comprises m + n identical physical intelligent controllers. The m + n identical physical intelligent controllers are connected with the simulating server through a switching unit. The switching unit isused for communication between each intelligent node in the group intelligent building platform and the equipment module and between each building space in the simulating server and the equipment module. Performing simulation processing by the simulating server. The monitoring host is connected with the simulating server, and used for displaying the results of the simulating system and controlling the operating conditions of the simulating system. The central air conditioner simulating system based on the algorithm verification of the group intelligent building platform has the characteristics of high expandability, simple use and the like, and can visually realistically reflect the actual operating state of the non-central control system of the building equipment.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Liquid nitrogen refrigeration magnetic resonance imaging system
InactiveCN103105595AReduce power consumptionReduce weightDiagnostic recording/measuringSensorsHigh current densityNuclear magnetic resonance
The invention discloses a liquid nitrogen refrigeration magnetic resonance imaging system. The system comprises a high-temperature superconductor main magnet capable of generating even magnetic fields in an imaging area, at least one low-temperature gradient coils capable of generating magnetic filed gradients in the imaging area, and at least one low-temperature radio frequency coil capable of receiving and transmitting radio frequency signals in the imaging area. The system comprises at least one of the following materials: non-superconducting materials and superconducting materials, wherein the non-superconducting materials and the superconducting materials have higher electrical conductivity than copper when cooled to the temperature of 77K. The main magnet, the gradient coils and the radio frequency coils of a preset system adopt low-temperature conducting materials, and the low-temperature conducting materials comprise high-temperature conducting materials, the high-temperature conducting materials are used for manufacturing coils of the main magnet, and therefore high current density can be produced in the coils, and power consumption can be saved; the high-temperature conducting main magnet is small and light and capable of operating under the temperature of 77K, and therefore refrigeration efficiency is improved greatly; and the gradients and the radio frequency coils are made of low-temperature conducting materials, resistance of the coils can be reduced, and coil efficiency can be improved.
Owner:TIME MEDICAL JIANGSU
Measuring method for algae biomass in biological soil crust
ActiveCN105092495AEasy to collectEasy to operateColor/spectral properties measurementsChlorophyll bNatural development
The invention discloses a measuring method for the algae biomass in a biological soil crust, and relates to the field of biology. The method includes the steps of sampling of an algae crust sample, sieving, cleaning, algae cultivating, chlorophyll a and chlorophyll b measuring, standard curve drawing and algae biomass measuring (natural development). In the algae cultivating step, cultivating is carried out through BG11 cultivating media, and use algae are mixed algae. In the chlorophyll a and chlorophyll b measuring step, chlorophyll is extracted with a mixed solution method, wherein extracting solutions comprise absolute ethyl alcohol, acetone and water in the ratio of 4.5 to 4.5 to 1. The relationship between the gross of the chlorophyll a and the chlorophyll b of the algae and the algae biomass is regressed through a standard curve. Measuring of the natural developing algae biomass is converted through the standard curve between the gross of the chlorophyll a and the chlorophyll b and the cultivated algae biomass. Direct comparison between the algae crust and the vascular plant biomass is achieved, and a reliable approach is provided for more accurately calculating the productivity of the algae crust and the effect of the productivity in an ecological system.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
Contour construction algorithm on the basis of point by point increasing of ground object scattered points
The present invention provides a contour construction algorithm on the basis of point by point increasing of ground object scattered points. Ground object contours are generated by the method of point by point increasing. A comparatively good enclosing line linking scheme is quickly and accurately found through multiple iterations of point increasing to form a contour area of the ground object. By use of the algorithm, the disadvantages of explosive expansion of time of an enumeration algorithm in the prior art and unreliability of genetic algorithm are overcome. The possibility of polygon self-intersection is avoided through setting a criterion function so that the polygon is similar to the real ground area of buildings and therefore, statistic analysis can be performed to a certain area of buildings or any areas with regular shape.
Owner:SOUTHEAST UNIV
Differential type temperature controller detection probe based on electrical eddy currents and lift-off eliminating device and method thereof
ActiveCN103412339AThe detection process is fastIncrease productivityElectric/magnetic detectionAcoustic wave reradiationNon destructiveElectricity
The invention discloses a differential type temperature controller detection probe based on electrical eddy currents and a lift-off eliminating device and method thereof. The lift-off eliminating device comprises a PC, an MC9S12XS128 single chip microcomputer system, an RS232 level switching circuit, a prompt device, an input signal photoelectric isolation circuit, an output signal photoelectric isolation circuit, a motor, a motor full-bridge driving circuit, a lower amplitude limiting contact, an upper amplitude limiting contact, a first magnet, a second magnet, a lifting device, a fixing mechanism and the differential type temperature controller detection probe. The differential type temperature controller detection probe based on the electrical eddy currents is adopted to carry out non-destructive testing, an electromagnetic ultrasonic effect is utilized, any coupling media are not needed, the detection speed is high, and production efficiency, detection sensitivity and reliability are high; the lift-off eliminating device is increased, so the fact that the probe is close to a temperature controller is guaranteed, a lift-off effect is eliminated, and sensitivity and accuracy of an eddy current detection probe are further improved; PC configuration software is utilized, so the working condition of the device can be monitored.
Owner:ZHEJIANG UNIV
Method for calculating resistivity of residual materials in continuous drawing single crystal rod pot
InactiveCN111364099ACalculate ResistivityGuaranteed closePolycrystalline material growthBy pulling from meltDopantSingle crystal
The invention provides a method for calculating the resistivity of residual materials in A continuous drawing single crystal rod pot. The electrical resistivity of the residual materials in the pot iscalculated by utilizing a formula: electrical resistivity of the remaining materials in the pot is equal to head calculation electrical resistivity *(1-B / A)(1-segregation coefficient)*segregation coefficient*a. No matter whether the crystal bar is fed after reaching the ending length or is fed after being lifted out due to equal-diameter failure; the resistivity of the materials in the pot can beaccurately calculated, then the residual weight in the pot and the resistivity of the materials are input into the doping agent calculation table and returned to the material melting column, the dosage of the doping agent is calculated, and it can be guaranteed that the resistivity of second rod, third rod,..., and the like is close to that of first rod according to the method.
Owner:ADVANCED QUARTZ MATERIAL (HANGZHOU) CO LTD
Novel normal-pressure heat conducting oil furnace
InactiveCN106482340AEfficient exclusionAffect thermal efficiencyStorage heatersCombustion chamberHeat conducting
The invention discloses a novel normal-pressure heat conducting oil furnace, and relates to a boiler. The novel normal-pressure heat conducting oil furnace comprises a furnace body, a heat conducting oil tank, a combustion chamber, a high-temperature oil pump, a combustor and a high-level oil tank; a first oil cavity is formed between the inner wall and the outer wall of the heat conducting oil tank; a hollow inner cavity of the combustion chamber is a flame combustion area; a second oil cavity is formed between the outer wall and the inner wall of the combustion chamber; the heat conducting oil tank surrounds the combustion chamber; a first flue for surrounding the combustion chamber is formed between the inner wall of the heat conducting oil tank and the outer wall of the combustion chamber; a second flue for surrounding the heat conducting oil tank is formed between the inner wall of the furnace body and the outer wall of the heat conducting oil tank; a smoke discharge port, an oil meter port, an exhaust port, a pressure adjusting port and an oil outlet are formed above the furnace body; the high-temperature oil pump is arranged in the oil outlet; and an oil return port communicated with the first oil cavity and a dirt discharge port are formed below the furnace body. The novel normal-pressure heat conducting oil furnace has the characteristics of normal pressure, high temperature, safety, high efficiency and energy conservation, can effectively remove water in heat conducting oil, and prevents steam from entering a circulating oil way to influence the heat efficiency of heat use equipment.
Owner:郑新军
Medical device and fixing mechanism of medical equipment
The invention provides a medical device and a fixing mechanism of medical equipment. The medical equipment can be conveniently located at a target position in the body through the fixing mechanism toachieve corresponding implantation or interventional treatment of the medical equipment, and accordingly, the medical effect is improved. The medical equipment can be a lead-free pacemaker, and physiological pace-making on the heart by the pacemaker is conveniently realized. The fixing mechanism comprises a base and fixing member, the extension direction of the base is parallel to that of a presetobject, and the fixing member is arranged on the outer wall of the base and extends around the base; one end of the fixing member is connected with the outer wall of the base, and a gap is formed between the other end of the fixing member and the outer wall of the base. During actual use, the base is stressed to rotate along the extension direction of the fixing member, and drives the fixing member to rotate together; during rotation, the fixing member is directly inserted into a tissue or a blood vessel wall parallel to the base, so that the medical equipment can be fixed into the atrium, the ventricle, the precava or other blood vessels, or fixed onto the interventricular septum or the interatrial septum.
Owner:MICROPORT SORIN CRM (SHANGHAI) CO LTD
Teaching device used for simulating ligation of artery blood vessel of human body
The invention discloses a teaching device used for simulating ligation of an artery blood vessel of a human body, and belongs to the technical field of medical simulation teaching devices. The teaching device comprises a test bed, simulated blood vessels, a simulated blood storage tank and a pressurization device, wherein a cofferdam is arranged on the test bed; a plurality of simulated blood vessels are arranged in the cofferdam; the simulated blood vessels are connected with the simulated blood storage tank; and the pressurization device is connected with the simulated blood storage tank. The pressurization device is used for supplying stable pressure of a simulated human body to the simulated blood storage tank, so that the problem of a gravitational flow type device in the prior art that the bleeding pressure and the flow velocity change due to the increase of the amount of bleeding as the blood pressure and the blood flow velocity change with the height of a blood bag is solved, so that the simulation test teaching is closer to an actual situation, and an effect of simulation teaching is improved.
Owner:SECOND AFFILIATED HOSPITAL OF XIAN MEDICAL UNIV
Vehicle-mounted charging device
ActiveCN104868574AReduce electromagnetic interferenceReduce electromagnetic lossesBatteries circuit arrangementsEfficient power electronics conversionCapacitanceTransformer
The invention discloses a vehicle-mounted charging device, which belongs to the technical field of charging and power supply. The vehicle-mounted charging device comprises a filter circuit, a rectifier circuit, a power factor compensation circuit, a DC / DC conversion circuit and a vehicle-mounted energy storage device, wherein the DC / DC conversion circuit comprises a switch circuit, a DC / DC control circuit connected with the control end of the switch circuit and a second feedback circuit connected with the output end of the switch circuit; the output end of the second feedback circuit is connected with the input end of the DC / DC control circuit; the switch circuit comprises a switch K2, an inductor L2 and a capacitor C2; the switch K2 and the inductor L2 are serially connected to serve as the output end of the switch circuit; and one end of the capacitor C2 is connected with the output end and the other end is grounded. Technical problems of large electromagnetic interference and much energy loss as the prior vehicle-mounted charging device commonly uses a transformer are solved, the switch circuit is adopted for outputting charging voltage, energy loss is low, and the charging efficiency is high.
Owner:BEIJING BORGWARD AUTOMOBILE CO LTD
Frame display method and device in game application program, terminal and storage medium
ActiveCN111467798AReduce mistakesGuaranteed closeCathode-ray tube indicatorsVideo gamesSimulationMechanical engineering
The invention provides a frame display method and device in a game application program, a terminal and a storage medium, which relate to the technical field of computers. The method comprises the following steps of receiving a frame message in a first cooling period of a target skill, determining whether the first cooling period is finished or not according to the remaining time length and the frame interval time length of the first cooling period, in response to the end of the first cooling period, determining a compensation duration corresponding to the first cooling period according to theactual duration of the first cooling period and the rated cooling duration of the target skill, and displaying a skill release picture of the target skill in the next image frame in response to the frame message, and entering a second cooling period of the target skill. Compared with the prior art, the technical scheme provided by the embodiment of the invention has the advantages that the previous overflowing frame number can be supplemented when the skills are released each time by adopting a time length compensation mode, so that the actual frame number under acceleration can be close to the theoretical frame number, and the error between the actual frame number and the theoretical frame number is reduced.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Roller forming device for highway construction
ActiveCN111827052AImprove work efficiencyGuaranteed closeRoads maintainenceMoulding deviceAgricultural engineering
The invention relates to a forming device, and particularly relates to a roller forming device for highway construction. A technical problem to be solved in the invention is to provide the highway construction roller forming device which is simple to operate and convenient to steer. The roller forming device for highway construction comprises a bottom plate, first rollers, a grip, a driving assembly, a rolling assembly, and a lifting assembly, wherein the first rollers are symmetrically and rotatably mounted on the bottom plate; the grip is mounted on the bottom plate; the driving assembly ismounted on the bottom plate; the rolling assembly is mounted on the bottom plate; and the lifting assembly is mounted on the bottom plate. In the invention, rolling forming work of a road is completedthrough the rolling assembly; the driving assembly works to drive the lifting assembly to move so that the rolling assembly is ensured to abut against the ground, and the rolling assembly is driven by the lifting assembly to ascend and descend; and the position of a second roller is moved, the moving mode of the device is changed according to conditions, a moving friction force during non-workingis reduced, and the device is more convenient to move.
Owner:李云飞
IoT-based smart truck with high safety factor
InactiveCN109532645AImprove securityPrevent goods from fallingLoad securingSignalling/lighting devicesElectric machineryTruck
The invention relates to an IoT-based smart truck with a high safety factor. The IoT-based smart truck comprises two detecting mechanisms and two fastening mechanisms. Each detecting mechanism comprises an orientation adjusting unit, a rotating plate, an ultrasonic transmitter and an ultrasonic receiver. Each fastening mechanism comprises two lifting units and a plurality of fastening components.Each fastening component comprises a pressure block and two driving units. Each driving unit comprises a third motor, a third driving shaft, a moving block, a support rod and a connecting block. The IoT-based smart truck with a high safety factor drives the rotating plate to swing by the detecting mechanisms in order to detect from different angles whether a pedestrian passes by, and reminds a driver by an alarm to pay attention, thereby improving the safety factor of the truck. Moreover, the height of a lifting plate is adjusted by the lifting units, and the fastening components drive the pressure block to move away from the lifting plate and squeeze the cargo. Thus, a pressure sensor generates sufficient pressure data to achieve fixation and to prevent the cargo from falling and causinga traffic accident on the road.
Owner:JIANGSU HUAXIA INTPROP SERVICE CO LTD
Layering type button battery compressor
PendingCN109524680AImprove uniformityImprove performancePrimary cell manufactureFinal product manufactureFuel cellsButton battery
The invention relates to the preparation field of small-sized fuel cell piece button batteries and provides a layering type button battery compressor. The layering type button battery compressor mainly structurally comprises a tablet press, a compression base and a vibration platform, wherein the compression base is formed by combining a high-pressure layer, a low-pressure layer and a base, isometric filling holes and central holes are symmetrically formed in each layer, a rotating shaft is arranged in the center of the base, and each layer is additionally connected through fixed rings; a pressure top cover is additionally mounted on the tablet press, and the tablet press is of a layering integrated structure and comprises a bearing disc, a fixed disc, a pressure-sharing bracket and a compression column; and the vibration platform is of an independent vibration supply structure. The layering type button battery compressor is easy and convenient to operate and high in compression efficiency, the influences caused by the non-uniformity of the surface of a reagent layer and the instability of an initial pressure to the battery performance are reduced, and the production success rate of a stabilized battery is increased.
Owner:SOUTHEAST UNIV
Open type turbine blade test equipment
The invention provides open type turbine blade test equipment. The open type turbine blade test equipment comprises a Laval nozzle, a fuel gas ejector and a workbench, the front end of the Laval nozzle is used for being connected with a gas outlet of a combustion chamber, and the rear end of the Laval nozzle is used for providing a gas testing environment for turbine blades to be tested right behind the Laval nozzle; the fuel gas ejector is used for being installed right behind the Laval nozzle, a turbine blade to be tested is arranged between the fuel gas ejector and the Laval nozzle, and fuel gas ejected by the Laval nozzle passes through the turbine blade to be tested and then enters the fuel gas ejector; a water cooling structure is arranged on the outer wall and / or in the wall of the fuel gas ejector, and a spraying device and an ejection fan are sequentially arranged in the fuel gas ejector from front to back in the fuel gas flowing direction; and a workbench is arranged below the turbine blade to be tested. On the basis of a gas heating device, an open type improvement scheme is provided, the real working environment of the turbine blade is simulated, and the problems of mechanical load loading, temperature field and thermal deformation testing of the turbine blade are solved.
Owner:SHENYANG AEROSPACE UNIVERSITY
Portable and adjustable beach and shoal dual-purpose metal detector
InactiveCN112578473AGuaranteed parallelEasy to useBatteries circuit arrangementsElectric powerCircular discHeating furnace
The invention provides a portable and adjustable beach and shoal dual-purpose metal detector, and belongs to the technical field of inductance heating furnace cable wiring. The portable and adjustablebeach and shoal dual-purpose metal detector comprises a main rod; an arm support is fixedly installed at the top of the main rod; an extension rod is installed in the main rod in a sliding mode; a limiting rod is arranged at the bottom end in the main rod; and one end of the limiting rod extends out of the main rod and is fixedly provided with a drawing block. According to the portable and adjustable beach and shoal dual-purpose metal detector, the arm support, a hand support and a detection disc main body angle adjusting mechanism are arranged, so that the portable and adjustable beach and shoal dual-purpose metal detector is convenient to hold and carry by a user in actual use, and the use angle of a detection disc main body is more convenient to adjust by the user; and with structuressuch as a suspension air bag and an extension rod adopted, the whole device is convenient to use on the ground and can also be conveniently used at a shoal.
Owner:未振仁
Showering clothes
The invention relates to the field of showering appliances, discloses showering clothes, and particularly relates to showering articles used in winter. As the winter is cold and temperature difference is high, water evaporated from hot water is quite easy to form mist, people can feel uncomfortable on respiratory systems as the mist enters the respiratory systems, even more, people can possibly cough due to the mist, the mist is gathered on walls and corners of a shower room, so that bacteria are bred, and diseases are caused possibly. The scheme includes that a loose skirt without sleeves is made of PE (polyethylene) plastics, the neck of the plastic skirt is double-layered, about 100 water outlet holes with the diameter of 1mm are designed on the bottom layer of the plastic skirt, and the upper layer of the plastic skirt is connected with a hot water pipe. As most of hot water is filled in the skirt and seldom contacts with air, evaporation rate is low, most of evaporated moisture in the skirt is condensed into water, and a user wearing the showering clothes can feel warmer when taking shower.
Owner:SICHUAN UNIV
A kind of turtle feed with enhanced disease resistance and preparation method thereof
ActiveCN103875961BFull of nutritionImprove palatabilityFood processingClimate change adaptationMonosodium glutamateDisease
Owner:常州市万叶饲料科技有限公司
Temperature measurement device for radiant tube of rotary kiln
PendingCN107702814AMeasured temperatureGuaranteed contactThermometer detailsThermometers using electric/magnetic elementsEngineeringThermocouple
The invention provides a temperature measurement device for a radiant tube of a rotary kiln, and belongs to the technical field of temperature measurement. The device comprises a rotary kiln housing,the radiant tube, a temperature measurement conduit and a thermocouple, wherein the radiant tube is located in the rotary kiln housing, and is parallel to the central axis of the rotary kiln housing.The temperature measurement conduit passes through the rotary kiln housing, and the thermocouple is disposed in the temperature measurement conduit, and passes through the temperature measurement conduit along the axis. The temperature measurement conduit and the thermocouple are perpendicular to the radiant tube. The central axis of the temperature measurement conduit is tangent to the outer wallof the radiant tube. A temperature measurement probe of the thermocouple is guided by the temperature measurement conduit to make contact with the radiant tube. The device is simple and practical, and can accurately measure the temperature of the radiant tube in the rotary kiln.
Owner:HENAN DRAGON INTO COAL TECH CO LTD
A sponge wrapping machine that uses a mechanical device to process automotive wiring harnesses
ActiveCN107393656BGuaranteed to be firmQuality assuranceManufacturing wire harnessesMechanical engineeringCable harness
The invention belongs to the field of wrapping and sticking machines and particularly relates to a sponge wrapping and sticking machine utilizing a mechanical device to process automobile wire harnesses. The sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses comprises two clamping devices, a folding and sticking mechanism, a lifting device and a pushing mechanism, wherein the lifting device drives the pushing mechanism to move vertically, the folding and sticking mechanism comprises a pair of foldable supporting plates, the pushing mechanism drives the supporting plates to rotate relatively, and the two clamping devices are arranged on two sides of the folding and sticking mechanism and are located on a central line of the folding and sticking mechanism. The problem that difficult quality guarantee and non-standardized technologies existing in manual operation and the problem of low production efficiency can be solved by adopting the sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses.
Owner:李昕宇
Condensed water sampling method and device for condenser leakage detection
ActiveCN106969946ASolving Errors in Leak Detection Diagnosis ResultsGuaranteed closeNuclear energy generationWithdrawing sample devicesPower stationEnvironmental engineering
Provided is a condensed water sampling method and device for condenser leakage detection. According to structural features of different power plant condensers, condensed water of water chambers are pumped out of a condenser by arranging special samplers in water chamber heat wells of the condenser and adopting vacuum sampling water pumps, representative water samples are provided for condenser leakage detection to facilitate rapid and accurate diagnosis of water chamber leakage, and an accurate and reliable decision-making basis is provided for non-shutdown disposal of condenser leakage during operation of a power plant. The method and the device have the advantages of strong representativeness and high reliability and are suitable for condensed water sampling during leakage detection in operation of heat exchange tubes of condensers of seawater and fresh water cooling power plants.
Owner:XIAN THERMAL POWER RES INST CO LTD
Clearing method for considering power generation side load curve matching degree for medium and long term in electric power
PendingCN112836916AGuaranteed closeGuaranteed priority dealResourcesLoad following power plantIndustrial engineering
The invention discloses a clearing method for considering a power generation side load curve matching degree for a medium and long term in electric power. The method comprises the steps of calculating a power generation and utilization curve correlation coefficient matrix lambda between each power generation enterprise and all power users; constructing an objective function and constraint conditions thereof; and solving the objective function, and obtaining the transaction electric quantity and the transaction price of each subject in each transaction pair when the transaction price difference considering the power generation side load curve matching degree is maximized. According to the clearing method for considering the power generation side load curve matching degree in the power medium and long term, through the clearing method for considering the power generation side load curve matching degree, it is guaranteed that power generation enterprises and power consumers with high power generation-power utilization curve similarity preferentially deal with each other, and it is guaranteed that the load curve is close to a power generation curve to the maximum extent.
Owner:STATE GRID ELECTRIC POWER RES INST +2
A motion trajectory planning method for a robotic arm servo-rolling satellite docking ring
ActiveCN114407013BSolved the problem of not being able to lock the target capture pointAvoid driftingProgramme-controlled manipulatorRobotic armClassical mechanics
A motion trajectory planning method for a robotic arm servo-rolling a satellite docking ring, and relates to the field of trajectory planning. The invention is to solve the problem that the track of the end of the manipulator arm drifts on the docking ring during the tracking process because the existing manipulator servo planning technology is applied to the failed satellite because the capture point of the docking ring of the failed satellite cannot be locked. The invention includes: acquiring the pose matrix of the robot arm base system relative to the end tool system e T b ; Obtain the pose matrix of the docking ring capture point coordinate system relative to the end tool system e T g ;use e T b The attitude information of the base system of the robot arm in the middle, and the end tool system is used as the reference coordinate system to reconstruct e T g , obtain the pose information [d_, γ_] of the reconstructed docking ring capture point coordinate system relative to the end tool system; plan the desired path at the end of the manipulator based on the trigonometric function, so that [d_, γ_] converges within the preset time to within the capture tolerance; use the desired path at the end of the manipulator to obtain the subdivision joint trajectory of the manipulator. The invention is used for planning the motion track of the mechanical arm servo docking ring.
Owner:HARBIN INST OF TECH
Ball mounting tool for maintaining set top box chip
PendingCN113506761AGuaranteed closeSo as not to damageSemiconductor/solid-state device manufacturingMechanical engineeringEmbedded system
The invention relates to a ball mounting tool for maintaining a set top box chip. The ball mounting tool comprises a base assembly, a steel mesh mounting device which is used for fixedly mounting the ball mounting steel mesh; a synchronous clamping device which is used for synchronously clamping the chip; a chip mounting device which is used for quickly clamping and positioning the chip; a steel mesh synchronous lifting device which is used for synchronously jacking the ball mounting steel mesh, so ball mounting of the to-be-maintained set top box chip is facilitated, and the ball mounting efficiency is high.
Owner:泉州盈创电子股份公司
Real data field acquisition platform and method
InactiveCN113376157AImprove reliabilityCompact designInvestigating moving fluids/granular solidsEngineeringEnvironmental geology
The invention relates to a real data field acquisition platform and method, and the platform comprises a tail gas collection mechanism which is embedded in the central position of a road in a default state, and is used for entering a tail gas collection state after each continuous vehicle passing time period is ended so as to extend out of the central position of the road to the upper part of the road so as to collect the tail gas of a just passing vehicle, package the collected real-time tail gas data and the last continuous vehicle passing time period, and wirelessly send the packaged data to a far-end smart city cloud server; and a time extraction device used for acquiring each continuous vehicle passing time period on the time axis. The real data field acquisition platform and the real data field acquisition method are compact in design and have certain pertinence. The mechanism for collecting the tail gas of the urban road vehicles can be buried in the road, meanwhile, the starting point and the ending point of collection are accurately controlled, and the time corresponding relation between each piece of field data and the exhaust vehicles is established, so that the collected data are close to real data.
Owner:刘剑
Steel dam bottom shaft side water stop structure
Owner:YANGZHOU CHUMEN ELECTROMECHANICAL DEVICES MFG
CT image reconstruction method based on non-cylindrical detector and CT scanner
ActiveCN113017668AReduce lossesIncrease lossComputerised tomographsTomographyData transformationCt scanners
The invention belongs to the technical field of medical images, and particularly relates to a CT image reconstruction method based on a non-cylindrical detector and a CT scanner. The CT image reconstruction method comprises the following steps: S1, converting non-cylindrical data acquired by a non-cylindrical detector into cylindrical data corresponding to the cylindrical detector by adopting a data interpolation method; S2, performing CT image reconstruction according to the cylindrical data corresponding to the cylindrical coordinate system. According to the CT image reconstruction method, for the non-cylindrical detector, the data interpolation method is adopted to convert the non-cylindrical data collected by the non-cylindrical detector into the cylindrical data corresponding to the cylindrical detector, and it can be guaranteed that the obtained sampling points are close to the sampling points of the non-cylindrical detector as much as possible; and the loss of spatial resolution and the increase of aliasing artifacts are reduced.
Owner:FMI MEDICAL SYST CO LTD
Columnar workpiece paint spraying device for machining
InactiveCN112387502AFully paintedImprove stabilityCleaning using toolsLiquid spraying apparatusMachiningBolt connection
The invention belongs to the technical field of machining, and particularly relates to a columnar workpiece paint spraying device for machining. By aiming at the problems that when an existing paint spraying device sprays paint to a columnar workpiece, paint spraying is insufficient, and operation is inconvenient, the following scheme is provided, wherein the columnar workpiece paint spraying device comprises a first annular supporting plate and a second annular supporting plate, the outer wall of one side of the top of the first annular supporting plate is connected with an arc-shaped grooveplate through bolts, the outer wall of the top of the arc-shaped groove plate is connected with the outer wall of one side of the bottom of the second annular supporting plate through bolts, and the outer wall of the bottom of one side of the arc-shaped groove plate is connected with a discharging pipe through bolts. In the columnar workpiece paint spraying device for machining, the arc-shaped groove plate is arranged, the discharging pipe is arranged on the arc-shaped groove plate, and therefore when the device is horizontally placed, leaked paint can be recycled through the discharging groove plate and discharged from the discharging pipe, cleaning convenience of the device is guaranteed, and meanwhile paint can be recycled.
Owner:李济存
Method and system for optimizing video playback power consumption
ActiveCN106856573BReduce power consumptionMake up for the lossSelective content distributionImaging qualityImage resolution
The invention relates to the field of optimization processing, and particularly relates to an optimization method and system for power consumption of video playing. The optimization method comprises the steps of acquiring a first resolution of a frame image in a video to be played and a display resolution of a display terminal; if the first resolution is less than the display resolution of the display terminal, increasing the pixel value of each pixel of the video to be played by a preset threshold, and expanding the first resolution of the video to be played by adopting a mode of filling black pixels in a staggered row and staggered column mode. According to the invention, the first resolution of the video to be played is expanded by adopting the mode of filling black pixels in a staggered row and staggered column mode to replace a different algorithm mode in the prior art, so that the power consumption of a low-resolution video played on high-resolution equipment is reduced. In addition, brightening is realized through increasing the pixel value of each pixel of the video to be played by the preset threshold, so that the loss in image quality brought about by the black pixels is compensated, and the power consumption of video playing is reduced under the condition of ensuring the image quality to approach to the original image quality.
Owner:FUJIAN TIANQUAN EDUCATION TECH LTD
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