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.
48results about How to "Reduce own cost" 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
Flexible magnet rheological tongs
InactiveCN1490127AImprove flexibilityHigh degree of automationPositioning apparatusMetal-working holdersEngineeringMagnet
A magnetorheopectic flexible fixture suitable for the workpieces with different shapes and characteristics is composed of locating head and fixture body. Said locating head consists of pin, spring, frame and fastener. Said fixture body comprises base, recepting pool, press bar, magnetic exciting part, core rod and magnetorheopectic material. Said locating head and magnetorheopectic material are contained in the cavity of said recepting pool for clamping the workpiece.
Owner:UNIV OF SCI & TECH OF CHINA
Secondary concentrated reflection-transmission type parabolic-trough type solar heat collector
ActiveCN104456980ARealize secondary spotlightHigh densitySolar heating energySolar heat devicesFresnel lensIrradiation
The invention discloses a secondary concentrated reflection-transmission type parabolic-trough type solar heat collector. The collector comprises a line-focusing Fresnel lens, a collimating Fresnel lens, an evacuated heat collector tube and a parabolic trough surface reflector and has a uniaxial ray tracing capability. Real focuses of the line-focusing Fresnel lens and virtual focuses of the collimating Fresnel lens are coincided; the evacuated heat collector tube is located at the focus line position of the parabolic trough surface reflector; parallel sunlight completes primary condensation via the line-focusing Fresnel lens and is diffused into parallel light once again via the collimating Fresnel lens; the parallel sunlight subjected to the primary condensation is reflected to the wall surface of the evacuated heat collector tube through the parabolic trough surface reflector to complete secondary condensation; focused solar energy is absorbed through heat transfer medium in the evacuated heat collector tube to complete the heating process. The solar heat collector can be applied to the solar-thermal field, and difficult problems that heat collecting efficiency of a traditional trough-type heat collector is greatly decreased in periods of winter and the like when sun irradiation is reduced, incident angle is increased are well solved and the cost is low.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Hardware-in-the-loop test bench and test method for electronic brake system of commercial vehicle based on TTC580 controller
InactiveCN108107876ASimple structureLow costElectric testing/monitoringSolenoid valveSystem hardware
The invention provides a hardware-in-the-loop test bench and test method for the electronic brake system of a commercial vehicle based on a TTC580 controller. The test bench is composed of an air source component, an air pressure test bench component, a controller and a host. The test bench acquires pressure signals of four brake chambers and a throttle pedal opening signal through an analog acquisition channel of the TTC580 controller, outputs a drive signal to a front axle single channel module, two ABS solenoid valves of the front axle and a rear axle double channel module through a PWM output channel of the TTC580 controller, and acquires a brake pedal opening signal and a steering wheel angle signal through a digital acquisition channel of the TTC580 controller. The host and the TTC580 controller are connected by the Ethernet to realize data transmission. The test bench and the test method meet the requirement for rapid development of electronic brake systems for commercial vehicles, and reduce the cost of hardware-in-the-loop test.
Owner:JILIN UNIV
One-way transmission device with buffer function
ActiveCN102927157AWith buffer functionWith buffer damping effectFreewheel clutchesMechanical driveTransmission system
The invention relates to a one-way transmission device with a buffer function. A first friction ring and a second friction ring are respectively connected with an inner ring assembly and an outer ring assembly through a reinforcement transmission mechanism and a conical face friction pair in matching mode, wherein the inner ring assembly and the outer ring assembly can rotate around the same axis, the reinforcement transmission mechanism is in a constant meshed state, and the conical face friction pair exerts initial pressure through an elastic pre-tightening piece. When tangential external component force in different directions appears between the inner ring assembly and the outer ring assembly, under the effect of the reinforcement transmission mechanism, the conical face friction pair rotates in sliding mode or keeps a static state, and therefore the unidirectional transmission torque function similar to an overrun clutch is achieved. In addition, the one-way transmission device has excellent buffer performance, effectively buffers various impact force in the process of mechanical transmission and prolongs service life of a transmission system.
Owner:CHONGQING DYNRUN MACHINERY
Embedded system power switch control circuit
ActiveCN106557142AVersatileLow costVolume/mass flow measurementPower supply for data processingEmbedded systemSwitching power
The invention discloses an embedded system power switch control circuit which is formed by connecting a power input end (a), a counter-attack schottky diode (b), a power switch power tube (c), a power holding control transistor (d), a power switch (f), a trigger and shutdown signal detection double-diode set (e), a direct current voltage stabilizing circuit (g) and other resistance-capacitance devices. The power input end (a) is connected with the counter-attack schottky diode (b) to form a reverse connection prevention input circuit; the power switch (f) is connected with the trigger and shutdown signal detection double-diode set (e) to form a startup and shutdown triggering circuit; and the power holding control transistor (d) is connected with the power switch power tube (c) to form a power supply holding circuit. The embedded system power switch control circuit disclosed by the invention is an embedded system power supply circuit which is low in cost, high in energy saving, convenient and practical, and has very high economy, practicality and reliability.
Owner:上海芯辉电子股份有限公司
Sea cable insulation fault monitoring method based on temperature field of photoelectric hybrid submarine cable
ActiveCN108008245AEffective monitoring of insulation conditionsNot susceptible to electromagnetic interferenceFault location by conductor typesTesting using optic methodsRate parameterPhysical model
The invention discloses a sea cable insulation fault monitoring method based on a temperature field of a photoelectric hybrid submarine cable. The method comprises the steps of calculating heat generation rate parameters of an armor layer and a metal shielding layer 6 according to the current-carrying capacity of the submarine cable, establishing a submarine cable temperature field model based ona thermoelectric coupling module, calculating a temperature field of the submarine cable in operation, calculating a dielectric loss factor tan delta, and evaluating the insulation status of the submarine cable. According to the method, the insulation status of the submarine cable can be effectively monitored, the monitoring is not susceptible to the influence of electromagnetic interference, through establishing a physical model, a numerical calculation method is used to solve the temperature field, the determination of a correction coefficient is not needed, the heat generation rates of thearmor layer and the metal shielding layer 6 are calculated based on an iterative method, the accuracy of a modeling calculation result is high, and the accuracy of subsequent temperature field calculation is ensured while the amount of calculation is reduced.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Switch and network computer room for placing the switch
InactiveCN102546186AReduce usageHighly integratedData switching switchboardsEngineeringExternal connection
The embodiment discloses a switch and a network computer room for placing the switch. The switch comprises a cabinet, a middle plate and a plurality of plug-in cards, wherein each plug-in card includes two port switch chip, one internal connection switch chip, a port connector, a middle plate connector and a guide rail, wherein the ports of the port switch chip are divided into the same number of external connection ports and inner connection ports; the external connection ports are connected with the port connector; the internal connection ports are respectively connected with the internal connection switch chip in each plug-in card; the internal connection ports and the ports of the internal connection switch chips, which are connected across the plug-in cards, are respectively connected with the middle plate connector, so as to achieve connection between the internal connection ports and the internal connection switch chips of different plug-in cards through the middle plate connector; the cabinet includes guide rail slots with the same number of the plug-in cards; and the plug-in cards can be plugged in or pulled out by inserting or pulling the guide rail along the insertion hole of the guide rail slots. The embodiment can improve integrity degree and reduce number of the plug-in cards of the switch, thereby effectively reducing the switch size.
Owner:JIANGNAN INST OF COMPUTING TECH
A switch cabinet connection device and an installation method thereof
PendingCN109066341AImprove the efficiency of connection and installation workLow input costBus-bar/wiring layoutsSubstation/switching arrangement casingsPower flowElectrical conductor
A switch cabinet connecting device and a mounting method are provided. A switch cabinet connecting device comprises a connecting conductor, an insulating sleeve, an insulated connection sleeve, a central conductors and a spring, one end of the connectiong conductor passes through the insulating sleeve, and a sealing and fixing connection structure is formed between the one end of the connectiong conductor and the insulating sleeve, The other end of the connecting conductor is exposed to the insulating sleeve, and the central conductor is of a hollow cylindrical structure, and a sleeve structure is formed between one end of the connecting conductor and one end of the connecting conductor. A spring is arranged at the sleeve part between the connecting conductor and the central conductor, andthe insulating connection sleeve is installed between the insulating sleeve and the central conductor. The invention is applicable to the connection assembly between switchgear cabinets of differentcurrent grades, and can reduce the stock of assembled parts and products regardless of switchgear cabinets or connecting device enterprises, and avoid connecting devices of different current grades adopting different molds, so as to easily realize the mass production of products, reduce the cost of product research and development, and also reduce the cost of products themselves.
Owner:成都盛帮双核科技有限公司
Split encoder integrated with grating and motor shaft
PendingCN109269536ALow failure rateReduce own costConverting sensor output opticallyMotor shaftEngineering
The invention discloses a split encoder integrated with a grating and a motor shaft. The split encoder comprises a circuit board, a main body, a movable grating base and a motor, wherein the motor comprises a first mounting surface, a second mounting surface and the motor shaft, the first mounting surface and the second mounting surface are staggered to form a first circumferential surface, the motor shaft comprises a shaft end surface, a threaded hole in the axis and a limiting surface, the main body comprises a first fitting surface, a second fitting surface and a central through hole, the first fitting surface and the second fitting surface are staggered to form a second circumferential surface, a movable grating is mounted on the movable grating base, and the movable grating base is matched with the motor after passing through the central through hole of the main body. By adopting the bearingless mounting structure, the movable grating base is directly mounted on the motor shaft, and the motor shaft directly drives the movable grating base to rotate, thereby saving two bearings of the conventional encoder. The main body of the encoder is directly mounted onto the mounting planeof the motor, thereby saving a blade spring used for connecting the encoder main body and the motor for the traditional encoder.
Owner:CHANGCHUN RONGDE OPTICS
Plug-in board, switch employing plug-in board and switch design method
InactiveCN102571361AReduce usageHighly integratedData switching switchboardsEngineeringInterconnection
The embodiment discloses a plug-in board, a switch employing the plug-in board and a switch design method. The switch comprises a middle plate and a plurality of plug-in boards adopting the same structure, wherein each plug-in board comprises two port exchange chips, an interconnection exchange chip, a port connector and a middle plate connector; the ports of the two port exchange chips are divided into external connection ports and interconnection ports, which are in the same quantity; the external connection ports are connected with the port connector; the interconnection ports are respectively connected with the interconnection exchange chip in each plug-in board; the interconnection ports and the ports of the exchange chips, which need to span over the plug-in board for connection, are respectively connected with the middle plate connector; and the middle plate connector is in plug-in connection with the middle plate provided with a connection circuit, so as to achieve connection between the interconnection ports and the interconnection exchange chips of different plug-in boards. The embodiment effectively improves the integration level of the plug-in board of the switch and reduces the consumption of the plug-in boards, thereby enabling the assembly density of the switch to be increased and further effectively reducing the size of the switch.
Owner:JIANGNAN INST OF COMPUTING TECH
Flexible magnet rheological tongs
InactiveCN1216717CImprove flexibilityHigh degree of automationPositioning apparatusMetal-working holdersEngineeringMagnet
A magnetorheopectic flexible fixture suitable for the workpieces with different shapes and characteristics is composed of locating head and fixture body. Said locating head consists of pin, spring, frame and fastener. Said fixture body comprises base, recepting pool, press bar, magnetic exciting part, core rod and magnetorheopectic material. Said locating head and magnetorheopectic material are contained in the cavity of said recepting pool for clamping the workpiece.
Owner:UNIV OF SCI & TECH OF CHINA
Finite element simulation-based submarine umbilical cable temperature field analysis
PendingCN111539147AAvoid IEC Standards InsufficientReduce own costDesign optimisation/simulationSpecial data processing applicationsSteady state temperatureSubmarine
The invention discloses finite element simulation-based submarine umbilical cable temperature field analysis, and relates to the technical field of umbilical cable temperature field simulation. The method comprises the following steps of: 1, establishing a submarine umbilical cable geometric model in ANSYS simulation software; 2, inputting the composition material parameters of each part of the submarine umbilical cable into ANSYS simulation software, establishing a submarine umbilical cable finite element model, and performing mesh generation; 3, setting a water area around the submarine umbilical cable; 4, setting the value ranges of the ambient temperature, the working current and the convective heat transfer coefficient of the umbilical cable; 5, modeling and simulating the steady-state temperature field of the umbilical cable; 6, modeling and simulating a local heating steady-state temperature field of the umbilical cable; and step 7, modeling and simulating the transient temperature field of the umbilical cable. According to the invention, the submarine umbilical cable temperature field under complex structure and environmental conditions can be accurately calculated, and thenonlinear mapping relationship between each layer of the umbilical cable and the optical fiber temperature can be simply and conveniently obtained.
Owner:SOUTHWEST PETROLEUM UNIV
Gas cylinder lightweight frame and LNG vehicle adopting it
InactiveCN105003823ALight weightReduce own costContainer filling methodsContainer discharging methodsGas cylinderEngineering
The invention provides a gas cylinder lightweight frame and an LNG vehicle adopting it. The lightweight frame comprises pull bands and fixed racks; each of the fixed racks comprises a main body and a holding portion, the bottom of the main body is a fixed joint surface, the holding portion is a supporting plate invaginating into the main body from the top surface of the main body, the profile of the supporting plate corresponds to the outer contour of a gas cylinder, the invaginated gap of the supporting plate equals to or is smaller than half of the cross section shape of the gas cylinder, and the gas cylinder is fixed on the fixed racks through the supporting plate; and two ends of the pull bands are connected to the fixed racks in order to make the gas cylinder fixed in the holding portion in a tensioning manner. The stamping frame has the advantages of simple structure, short making cycle, high consistency, effective reduction of the deadweight of a product, and meeting of a lightweight requirement.
Owner:ZHANGJIAGANG CIMC SANCTUM CRYOGENIC EQUIP +2
Self-supporting die table production line for prestress plate production
PendingCN109732775AConvenience and quick structural strengthImprove structural strengthCeramic shaping liningsProduction lineRebar
The invention discloses a self-supporting die table production line for prestress plate production. The prestress of a stretched steel bar is taken by a side beam between two stretching pedestals withno need to arrange an underground pre-embedded foundation; devices can be flexibly assembled, disassembled and transported, and can be moved with the enterprise when the enterprise address is changedand with no need to purchase new devices again; production devices for producing prestress plates can be conveniently moved by the enterprise to a place nearby a project of the customer, so that thetransportation cost of prefabricated prestress plates is significantly reduced; the side beam can further be used as a side form of a concrete plate and a walking track for production line devices, for producing components, such as a feeding machine, a comb machine, a tarpaulin machine, and a conveyor machine, thereby facilitating to improve the degree of standardization and automation, and simplify the construction of the devices; and with no need to arrange the concrete mold and the track for the feeding machine, the self-cost of the devices, the difficulty of disassembly and assembly of thedevices, and the occupied areas of the devices are reduced.
Owner:SHANDONG ONE STAR CO NSTRUCTION TECH CO LTD
Battery charger circuit operated from a three-phase network
InactiveCN101682207ASmall sizeIncrease storage capacityBatteries circuit arrangementsElectric powerEngineeringThree-phase
Battery charger circuit operated from a three-phase network, comprises a three phase mains transformer with three secondary windings and three parallel connected pairs of series diodes, wherein the central interconnection lines of each of the series pairs of diodes are connected to respective end terminals of an associated one of the three secondary windings of the transformer, and the battery charger circuit comprises three similar circuits each of them is associated with a respective phase, each of the similar circuits comprises a permanently connected electrolytic capacitor (CR1, CS1, CT1)and a diode (DR, DS, DT) in parallel with the capacitor, wherein one end of the similar circuits is connected to the other terminal of the secondary winding (S1, S2, S3) of the associated phase, and the other ends of the similar circuits are interconnected.
Owner:安德拉斯·法扎卡斯
Bank note processing and packing system
ActiveCN102923361AReduce labor intensitySimple stepsWrappers shrinkageWrapper twisting/gatheringButt jointPassbook
The invention provides a bank note processing and packing system which comprises a first operation table, wherein a first conveyor belt, a note chamfering machine, a passbook automatic feeding device, a coding machine and a paper thickness detector are mounted on the table surface of the first operation table; an oblique baffle is mounted on the first operation table at one end of the first conveyor belt; one end of the first operation table is in butt joint with one side of a second operation table; a hand-press sealing machine and a second conveyor belt are mounted on the second operation table; the tail end is in contact with one side of a roller conveyor; and the roller conveyor is in butt joint with a plastic film shrinkage packing machine. The system provided by the invention can perform automatic coding of the passbook products bound into books in the passbook packing process so that the serial number is not influenced even if another link in the passbook production process fails; and moreover, the complementary operation is not required, flow process of the passbook packing step is realized, the labor intensity of the workers can be reduced, the packing efficiency is improved, and the equipment is compact and occupies a small area.
Owner:北京东港安全印刷有限公司
Supporting device for building
InactiveCN105544951AInnovative designImprove structural strengthBuilding scaffoldsStructural engineeringUltimate tensile strength
Owner:CHENGDU XUNDE SCI & TECH
Hardware-in-the-loop test bench and test method for commercial vehicle electronic braking system based on ttc580 controller
InactiveCN108107876BSimple structureLow costElectric testing/monitoringSolenoid valveSystem hardware
The invention provides a hardware-in-the-loop test bench and test method for the electronic brake system of a commercial vehicle based on a TTC580 controller. The test bench is composed of an air source component, an air pressure test bench component, a controller and a host. The test bench acquires pressure signals of four brake chambers and a throttle pedal opening signal through an analog acquisition channel of the TTC580 controller, outputs a drive signal to a front axle single channel module, two ABS solenoid valves of the front axle and a rear axle double channel module through a PWM output channel of the TTC580 controller, and acquires a brake pedal opening signal and a steering wheel angle signal through a digital acquisition channel of the TTC580 controller. The host and the TTC580 controller are connected by the Ethernet to realize data transmission. The test bench and the test method meet the requirement for rapid development of electronic brake systems for commercial vehicles, and reduce the cost of hardware-in-the-loop test.
Owner:JILIN UNIV
Prediction method for early freezing fault of fan blade
PendingCN112836424AReduce feature dimensionImprove classification accuracyForecastingCharacter and pattern recognitionEarly predictionEngineering
The invention relates to a prediction method for an early freezing fault of a fan blade comprising the following steps: S1, obtaining prediction parameter data, constructing a sample set, and carrying out data preprocessing; S2, performing feature selection through a Relief-F algorithm to obtain an optimal feature subset; S3, carrying out PCA feature transformation on the optimal feature subset to obtain optimal features; S4, constructing an early freezing fault prediction model and performing model training by using the optimal features; and S5, judging whether the fan blade has an early icing fault or not by using the trained early icing fault prediction model, and compared with the prior art, the invention has the advantages of high efficiency, high precision and the like.
Owner:SHANGHAI DIANJI UNIV
Hard limiting device for realizing operation error self-elimination and wind resistance functions of solar tracking system and control method thereof
ActiveCN106094883AReduce own costAccurate limitControl using feedbackDrive motorSolar tracking system
The invention discloses a hard limiting device for realizing the operation error self-elimination and wind resistance functions of a solar tracking system and a control method thereof. The control method comprises the steps that a control unit controls a driving motor to stop current tracking operation and reversely operate for a certain number of rotations and then forwardly operate, working current I of the driving motor is also detected and compared with I0, the control unit reacquires a reference angle parameter A0 when the solar tracking system is ensured to be in the hard limiting state, and the error generated in the operation process is eliminated; and increasing of working current of the driving motor caused by the effect of external force is determined as the wind resistance state, and the control unit controls the driving motor to return to the optimal wind resistance angle. The two functions of operation error self-elimination and wind resistance state of the solar tracking system can be realized without installing an angle sensor or a wind speed sensor, and limiting and error elimination are more accurate and reliable so that the cost of the tracking system can be effectively reduced and the installing cost can be saved.
Owner:SHANDONG ZHAORI PV TECH CO LTD
Bank note processing and packing system
ActiveCN102923361BReduce labor intensitySimple stepsWrappers shrinkageWrapper twisting/gatheringButt jointPassbook
The invention provides a bank note processing and packing system which comprises a first operation table, wherein a first conveyor belt, a note chamfering machine, a passbook automatic feeding device, a coding machine and a paper thickness detector are mounted on the table surface of the first operation table; an oblique baffle is mounted on the first operation table at one end of the first conveyor belt; one end of the first operation table is in butt joint with one side of a second operation table; a hand-press sealing machine and a second conveyor belt are mounted on the second operation table; the tail end is in contact with one side of a roller conveyor; and the roller conveyor is in butt joint with a plastic film shrinkage packing machine. The system provided by the invention can perform automatic coding of the passbook products bound into books in the passbook packing process so that the serial number is not influenced even if another link in the passbook production process fails; and moreover, the complementary operation is not required, flow process of the passbook packing step is realized, the labor intensity of the workers can be reduced, the packing efficiency is improved, and the equipment is compact and occupies a small area.
Owner:北京东港安全印刷有限公司
Low pressure filtration heat exchanger
InactiveCN103912408AGuaranteed stabilityGuaranteed reliabilityInternal combustion piston enginesFuel supply apparatusFlue gasCoolant flow
The invention discloses a low pressure filtration heat exchanger. The low pressure filtration heat exchanger is provided with an upper housing unit and a lower housing unit which are assembled into a whole in detachable mode and distributed from the top down, and the interior of the low pressure filtration heat exchanger is provided with a fuel gas flow cavity, wherein the fuel gas flow cavity is provided with a fuel gas inlet end and a fuel gas outlet end which are connected with an automobile fuel gas feed pipeline, a fuel gas flow guidance structure used to guide fuel gas which enters into the upper housing unit from the fuel gas inlet end into the fuel gas flow cavity so as to enable the flue gas to fully touch the housing wall of the lower housing unit is arranged in the upper housing unit, a discharge device used to discharge sewage is arranged at the bottom of the lower housing unit, a housing structure is arranged on the external circumference of the lower housing unit, the housing structure and the lower housing unit together form a closed engine coolant flow cavity structure, and the engine coolant flow cavity structure is provided with a cooling medium inlet and a cooling medium outlet which are arranged in stagger mode from the top down. The low pressure filtration heat exchanger can guarantee opening reliability of a nozzle of a natural gas engine when the natural gas engine runs in low temperature severe environments, at high speed and under heavy load, and is low in cost.
Owner:上海依相动力系统有限公司
Monitoring method of submarine cable insulation fault based on temperature field of photoelectric composite submarine cable
ActiveCN108008245BEffective monitoring of insulation conditionsNot susceptible to electromagnetic interferenceFault location by conductor typesTesting using optic methodsDielectric loss factorElectromagnetic interference
The invention discloses a sea cable insulation fault monitoring method based on a temperature field of a photoelectric hybrid submarine cable. The method comprises the steps of calculating heat generation rate parameters of an armor layer and a metal shielding layer 6 according to the current-carrying capacity of the submarine cable, establishing a submarine cable temperature field model based ona thermoelectric coupling module, calculating a temperature field of the submarine cable in operation, calculating a dielectric loss factor tan delta, and evaluating the insulation status of the submarine cable. According to the method, the insulation status of the submarine cable can be effectively monitored, the monitoring is not susceptible to the influence of electromagnetic interference, through establishing a physical model, a numerical calculation method is used to solve the temperature field, the determination of a correction coefficient is not needed, the heat generation rates of thearmor layer and the metal shielding layer 6 are calculated based on an iterative method, the accuracy of a modeling calculation result is high, and the accuracy of subsequent temperature field calculation is ensured while the amount of calculation is reduced.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Manufacturing method of cast-in-place concrete ribbed floor
InactiveCN104074296BSimple manufacturing processSimple preparation processFloorsBuilding material handlingManufacturing technologyFloor plate
The invention discloses a cast-in-place concrete dense rib floor system and a manufacturing method thereof. The cast-in-place concrete dense rib floor system comprises a floor plate, wherein multiple rib beams which are arranged in a criss-cross mode are arranged on the bottom face of the floor plate, filling bodies are arranged between adjacent rib beams. The filling bodies comprise upper bodies and bottom plates, the bottom plates are made of hard materials, the upper bodies are mounted at the top faces of the bottom plates, the bottom faces of the bottom plates are flushed with the bottom faces of the rib beams, dies are arranged at the bottoms of the lateral sides of the bottom plates, supporting claws which are the same with the dies in shape are arranged in the dies, and the supporting claws are connected with the side walls of the rib beams. The cast-in-place concrete dense rib floor system has the advantages that a suspended ceiling isn't needed, and demolding isn't needed. Compared with the prior art, the cast-in-place concrete dense rib floor system can effectively reduce the thickness of the cast-in-place concrete dense rib floor system, reduces the occupied floor height of buildings, and simplifies manufacturing technology. Dense rib floor system products are competitive in market, and the filling bodies are simple in manufacturing technology, low in cost, and not easy to damage during transportation.
Owner:郎佃富
A semi-automatic circulating carton packaging machine
InactiveCN106516214BImprove aestheticsReduce weightWrapper twisting/gatheringArticle deliveryControl systemSemi automatic
The invention belongs to a mechanical device, and particularly relates to a semiautomatic circulation type carton packaging machine. According to the technical scheme, the semiautomatic circulation type carton packaging machine comprises a machine body, a circulation running device, an overturning device, a circulation sealing device and a control system; the machine body is a square shell, and the circulation running device, the overturning device and the circulation sealing device are arranged on the machine body; the circulation running device is used for driving a carton to move, the overturning device is used for overturning folds of the carton, and the circulation sealing device is used for packaging the carton, and the control system is used for controlling the circulation running device and the circulation sealing device. According to the provided semiautomatic circulation type carton packaging machine, the packaging quality of the express carton can be guaranteed, the packaging period can be shortened as well, the packaging efficiency is improved, and the labor cost is reduced.
Owner:SHENYANG JIANZHU UNIVERSITY
A secondary concentrating reflective-transmissive parabolic trough solar collector
ActiveCN104456980BRealize secondary spotlightHigh densitySolar heating energySolar heat devicesFresnel lensIrradiation
The invention discloses a secondary concentrated reflection-transmission type parabolic-trough type solar heat collector. The collector comprises a line-focusing Fresnel lens, a collimating Fresnel lens, an evacuated heat collector tube and a parabolic trough surface reflector and has a uniaxial ray tracing capability. Real focuses of the line-focusing Fresnel lens and virtual focuses of the collimating Fresnel lens are coincided; the evacuated heat collector tube is located at the focus line position of the parabolic trough surface reflector; parallel sunlight completes primary condensation via the line-focusing Fresnel lens and is diffused into parallel light once again via the collimating Fresnel lens; the parallel sunlight subjected to the primary condensation is reflected to the wall surface of the evacuated heat collector tube through the parabolic trough surface reflector to complete secondary condensation; focused solar energy is absorbed through heat transfer medium in the evacuated heat collector tube to complete the heating process. The solar heat collector can be applied to the solar-thermal field, and difficult problems that heat collecting efficiency of a traditional trough-type heat collector is greatly decreased in periods of winter and the like when sun irradiation is reduced, incident angle is increased are well solved and the cost is low.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Combined geothermal device and component thereof
InactiveCN100467959CReduce dosageSave materialLighting and heating apparatusSustainable buildingsEngineeringCam
Owner:张志军
Method of protecting furnace by slag splashing in semi-steelmaking
ActiveCN107164600BReduce wasteAchieve recyclingManufacturing convertersProcess efficiency improvementSteelmakingBrick
Owner:HEBEI IRON AND STEEL
A control method for realizing self-elimination of operation error and wind resistance function of solar tracking system
The invention discloses a hard limiting device for realizing the operation error self-elimination and wind resistance functions of a solar tracking system and a control method thereof. The control method comprises the steps that a control unit controls a driving motor to stop current tracking operation and reversely operate for a certain number of rotations and then forwardly operate, working current I of the driving motor is also detected and compared with I0, the control unit reacquires a reference angle parameter A0 when the solar tracking system is ensured to be in the hard limiting state, and the error generated in the operation process is eliminated; and increasing of working current of the driving motor caused by the effect of external force is determined as the wind resistance state, and the control unit controls the driving motor to return to the optimal wind resistance angle. The two functions of operation error self-elimination and wind resistance state of the solar tracking system can be realized without installing an angle sensor or a wind speed sensor, and limiting and error elimination are more accurate and reliable so that the cost of the tracking system can be effectively reduced and the installing cost can be saved.
Owner:SHANDONG ZHAORI PV TECH CO LTD
Centrifugal separation device and centrifugal separation method
ActiveCN109070100BHEPA filterPost-stabilization treatmentRotary centrifugesCentrifugationMechanical engineering
The centrifugal separation device is equipped with: a cylindrical basket (2) that is provided with a filter screen (2a) and rotates around the axis (O) at the basket body; It can rotate integrally and is arranged to be able to move relative to the basket (2) along the direction of the axis (O). And when discharging the lumps filtered out from the treatment material supplied into the inner basket (2) by means of the filter screen (2a), the direction of the axis (O) of the extrusion plate (7) and the basket (2) The relative moving speed is set so that the relative moving speed in the direction where the distance (D) in the direction of the axis (O) between the extrusion plate (7) and the opening end (2b) of the basket (2) becomes larger is smaller than that toward the distance ( D) The relative moving speed in the direction of decreasing.
Owner:TSUKISHIMA KIKAI CO LTD
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