Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
2531results about How to "Safe and reliable work" 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
Self-made heat conductor and heating equipment into which insulating heat conduction material is embedded and implementation method of self-made heat conductor and heating equipment
PendingCN108366442AHeating evenlyLow costOverhead installationHeating element shapesElectrical conductorEngineering
Owner:SICHUAN UNIV +1
Household pressure-cooking appliance with decompression control member
ActiveCN102783908AEasy to cleanSafe and reliable workPressure-cookersInternal pressureControl release
The invention relates to a household food pressure-cooking appliance (1), which comprises a vessel (2), a lid (11) embedded in the vessel (2) for forming a cooking chamber, and a pressure regulating part arranged on the lid (11) and used for regulating the internal pressure in the chamber. The pressure regulating unit has a seat (15) and a regulation valve (17) to establish a flow of leakage of steam from the interior of the chamber toward the exterior of the appliance. The lid (11) has a control unit (20) to control release of pressure in the chamber by lifting the valve (17). The control unit (20) is removable between an idle position and a pressure-reducing position, at the idle position, the valve (17) is freely placed on the seat (15), at the pressure-reducing position, the valve (17) is lifted to open a discharging pipe (16). According to the household pressure-cooking appliance, when the lid (11) is separated from the vessel (2) for facilitation of cleaning of the lid, the control unit (20) can be detached from the lid (11).
Owner:SEB SA
Natural gas hydrate water discharge gas production exploitation device and exploitation method of natural gas hydrate water discharge gas production exploitation device
ActiveCN103410488ASpeed up decompositionReduce moisture contentConstructionsFluid removalElectricityVapor–liquid separator
The invention provides a natural gas hydrate water discharge gas production exploitation device and an exploitation method of the natural gas hydrate water discharge gas production exploitation device, and belongs to the technical field of natural gas hydrate exploitation. A feeding cavity (12) communicated with a natural gas hydrate layer (29) is connected with an in-well gas-liquid separator (7), an exhaust cavity (8) of the in-well gas-liquid separator (7) is communicated with a gas production sleeve pipe (17), and a water discharge opening of the in-well gas-liquid separator (7) is communicated with a liquid storage cavity (2) arranged at the lower part. According to the exploitation method adopting the device, the natural gas hydrate layer (29) is firstly heated, the in-well gas-liquid separator (7) is utilized for separating gas-water mixture generated in the natural gas hydrate decomposition process, meanwhile, a liquid level monitoring device is utilized for regulating the water discharge speed of an electric submersible pump (4), and the decomposition speed of the natural gas hydrate is controlled. The device and the method have the advantages that the natural gas hydrate exploitation well liquid accumulation can be effectively prevented, the gas production efficiency is improved, the work is safe and reliable, the environment is protected, the service life is long, and the like.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Intelligent photovoltaic array washing car
ActiveCN105107772AFunction increaseRegular shapeCleaning using toolsCleaning using liquidsWater storageHydraulic control unit
The invention provides an intelligent photovoltaic array washing car used for washing photovoltaic arrays of a large-scale ground photovoltaic power station. A washing head supporting and locating unit and a power unit are arranged on the head portion and the tail portion of a crawler base respectively, a water storage unit is arranged adjacent to the power unit, and a washing head unit is provided with range finder sensors used for measuring the distance between the washing head unit and solar cell panels; the washing head supporting and locating unit comprises a movable base capable of rotating and transversely moving and a working arm set provided with a main arm and an end arm, wherein the main arm and the end arm can pitch respectively; a water pump of a water supply unit is driven by a hydraulic motor; a computer is used as a control kernel of a main control module of an operation control unit; a pair of proportional directional valves of the hydraulic control unit controls two base crawler traveling motors, and other directional valves are electromagnetic directional valves controlled by the main control module. According to the intelligent photovoltaic array washing car, the position and the posture of the washing head unit relative to photovoltaic array panels and the position and the posture of a car body relative to the photovoltaic arrays can be automatically controlled, and the intelligent photovoltaic array washing car is intelligent, efficient, flexible in operation, high in adaptability, easy and convenient to operate, concise in structure and good in washing effect.
Owner:CSIC HAIWEI ZHENGZHOU HIGH TECH CO LTD
Distributed optical fiber vibration sensing method and apparatus thereof
ActiveCN1862239AAvoid restrictions on use occasions and environmentsExpand the scope of applicationSubsonic/sonic/ultrasonic wave measurementCoupling light guidesPhotovoltaic detectorsLight wave
The present invention relates to a distributed optical fibre vibration sensing method based on double loop Mach-Zehnder interference and its equipment. Said equipment includes the following several portions: laser, fiber-optic coupler, two sensing optical fibres, optical circulator and photoelectric detector. Besides, said invention also provides the concrete steps for implementing the invented distributed optical fibre vibration sensing method.
Owner:武汉光谷光联网科技有限公司
Automatic online detection method for defects on upper and lower surfaces during steel plate pretreatment process
InactiveCN1789990ASafe and reliable workIncrease productivityImage enhancementImage analysisMeasurement deviceEngineering
The invention discloses an on-line self-detecting method of surface defect in the ship formation steel predisposing course, which comprises the following steps: allocating the steel surface luminous equipment to form light field on two faces of on-line steel; setting several cases of independent imaging measuring device corresponding to each light field; proceeding real-time image of two faces of steel simultaneously when the steel moves along horizontal direction; disposing the image and marking the defect point; gathering the image grey scale and colority information separately through grey scale image information collector and colority image signal collector; analyzing and disposing the gathered grey scale and colority information through industrial computer software; adapting image grey scale character to identify and classify the defect point; starting the marking device to mark the defect point when the defect point is detected. The invention shortens the ship formation period greatly, which improves the ship body structure quality and detecting precision.
Owner:BOHAI SHIP HEAVY IND CO LTD
Gravity energy storing system relying on massif
InactiveCN103867408ALow costMature mechanical equipment technologyMachines/enginesMotorsControl systemMassif
The invention discloses a gravity energy storing system relying on a massif. The gravity energy storing system comprises a high-altitude stacking platform, a low-altitude stacking platform, a plurality of standard weights, electric power increasing and generating devices and a control system. The position between the high-altitude stacking platform and the low-altitude stacking platform is paved with at least two inclined tracks, each inclined track is provided with at least one section of continuous track and each section of continuous track is provided with one set of electric power increasing and generating device. Each set of electric power increasing and generating device comprises a trailer, a cable, a cable winch and an electric generating all-in-one machine, wherein the trailer is arranged on the corresponding continuous track and connected with one end of the cable, the cable winch is installed on the edge of the platform at the end of the corresponding continuous track, and the cable winch is connected with the electric generating all-in-one machine. The control system controls the working conditions of transferring, transporting and stacking equipment and the electric power generating all-in-one machine. The gravity energy storing system is high in efficiency, low in cost, small in occupied space and high in safety coefficient.
Owner:TIANJIN UNIV
Full pneumatic combined multifunctional industrial manipulator
InactiveCN1701928ARealize the clamping effectAchieve shiftProgramme-controlled manipulatorGripping headsEngineeringActuator
The invention discloses total aerodynamic composite type multifunctional industrial manipulator comprised interchangeable end effector set on suspension arm to clamp workpiece, and aerodynamic system comprised air supply, processor for air supply, two two-position three-way electromagnetic valves, one two-position five-way electromagnetic directional selecting valve, two precompression cylinders, a reciprocating cylinder, and PLC predetermined control program for cylinders to control displacement, mechanical clamp and up-down motion of interchangeable end effector. This invention uses totally gas to drive, selects corresponding mechanical clamper, vacuum absorb hand and gas pocket expand hand for different works to complete work quickly, and increases its application area and utilization rate.
Owner:西安思源职业学院
Temperature control system and method
ActiveCN104808719ASafe and reliable workReduce the temperatureAuxillary controllers with auxillary heating devicesTemperature controlElectric machine
The application provides a temperature control system and method. The temperature control system is applied to an electric automobile. A thermal management controller, a vehicle controller, a heat radiator, an electronic water pump and a water temperature sensor are additionally arranged in a conventional electric automobile, and the heat radiator, the electronic water pump, the water temperature sensor, a charger, an AC-DC inverter, a motor controller and a motor are connected in turn via cooling pipelines. Internal temperature of all the components in the working process of the electric automobile is reduced by utilizing cooling liquid fully filled in the cooling pipelines and fans arranged in the heat radiator. Concretely, rotating speed of the fans and operating duty ratio of the electronic water pump are controlled according to the preset control rules and current temperature of all the components detected in real time so that influence on working efficiency and the service life of all the components caused by over-temperature in the electric automobile can be avoided, and thus safe and reliable working of the electric automobile can be guaranteed.
Owner:BEIJING CHANGAN AUTOMOBILE ENG TECH RES
Wall-climbing robot for removing rust on wall surfaces of ships and working method thereof
InactiveCN101704241ARealize high-altitude and heavy-duty operationsImprove adsorption capacityProgramme-controlled manipulatorCleaning using liquidsDrive motorEngineering
The invention discloses a wall-climbing robot for removing rust on wall surfaces of ships and a working method thereof. The wall-climbing robot comprises a frame, a chain track walking mechanism, a permanent magnetic adsorption unit, a left-upper drive motor, a left-upper decelerator, a right-lower drive motor and a right-lower decelerator, wherein the chain track walking mechanism consists of a left chain track and a right chain track, the permanent magnetic adsorption unit is mounted on the chain track walking mechanism, and an ultrahigh pressure water jet vacuum rust-removing cleaner is externally connected with a vacuum source and the permanent magnetic adsorption unit to form vacuum permanent magnetic mixed adsorption. The method comprises the steps of regulation of the tension of chains, height adjustment and movement control. In the invention, by adopting the vacuum permanent magnetic mixed adsorption mode to design the wall-climbing robot and effectively utilizing and recycling negative pressure of the rust vacuum in combination with permanent magnetic adsorption force, the wall-climbing robot achieves reliable adsorption, safe working and compact adsorption structure and is capable of realizing working with large load at high altitude.
Owner:DALIAN MARITIME UNIVERSITY
Supercharged cooking household appliances with step-down control components
ActiveCN102783908BEasy to cleanSafe and reliable workPressure-cookersInternal pressureControl release
The appliance (1) has a lid (11) fixed on a vessel (2) for forming a cooking chamber. A pressure regulating unit has a seat and a regulation valve (17) to establish a flow of leakage of steam from the interior of the chamber toward the exterior of the appliance. The lid has a control unit (20) to control release of pressure in the chamber by lifting the valve. The control unit is removable from the lid when the lid is separated from the vessel. The control unit is supported against an abutment (10) of the vessel in a decompression position when the lid is fixed on the vessel.
Owner:SEB SA
Sublevel open-stoping mining method with subsequent backfilling for long-hole caving in thin ore bodies
InactiveCN104453901APlay the role of supplementary prospectingFlexibilityUnderground miningSurface miningMaterials scienceDeep hole
The invention discloses a sublevel open-stoping mining method with subsequent backfilling for long-hole caving in thin ore bodies. The sublevel open-stoping mining method with subsequent backfilling is characterized by comprising the following steps: arranging ore blocks along the orientation of the ore bodies, and dividing the ore block into ore chambers and ore pillars; dividing the ore blocks into segments in a vertical direction by sublevel drilling gate ways with an interval of 15-20m; drilling upward parallel or fan-shaped and downward parallel or fan-shaped medium-depth holes in the sublevel drilling gate ways to recover, wherein different sublevel caving sequences can be adopted according to the stabilization condition of the hanging wall surrounding rocks of the ore bodies; laterally loading ores by using a carry scraper from a bottom trench; locally anchoring the unstable areas of the hanging walls of the ore bodies, and drilling the anchored holes along with the caved holes; after the ores are recovered from the ore chambers, recovering the ore pillars according to the condition of the adjacent ore blocks, and finally filling goaf with waste rocks. The method has the prominent effects of good labour conditions, safety in working, high operation efficiency and high production capacity, and can realize intensified mining and ore mucking, and effectively control ore losses and dilution rate.
Owner:GUANGXI UNIV
A monitoring system of mixing dynamical vehicle torsional moment
ActiveCN101157360AGuaranteed correctnessMonitor carefullyHybrid vehiclesHybrid systemElectric machine
The invention describes a safety monitoring system and a monitoring method for the torque output by a power assembly of a hybrid vehicle. The safety monitoring system and the monitoring method can be used for preventing the entire output torque from increasing and reducing accidently to provide relatively reliable protection for every module in the hybrid system, thereby ensuring the safety performance of the hybrid system. The torque monitoring of the safety monitoring system relates to three main controllers, including a hybrid control unit, an engine management system and the hybrid safety monitoring system, and respectively monitors the real output torque of the entire vehicle, a motor and the engine; the system can monitor the entire torque in normal mode and failure mode; the monitoring in normal mode can ensure the accurate explain of the entire real output torque; while the monitoring in failure mode can limit the entire real entire output torque.
Owner:CHERY AUTOMOBILE CO LTD
Double-wire powering trolleybus pantograph
InactiveCN1486887ASolve the problem of network access difficultiesIncrease contactPower current collectorsEngineeringSlide plate
The double-wire powering trolleybus bow collector used in city public traffic includes bottom frame, lower arm rod, pull rod, bow raising spring, upper arm rod, balance rod, head seat cross rod, cylinder, top cross rod, electrically conducting top sliding board, insulating seat, insulating rod and top spring. The six parts including bottom frame, lower arm rod, pull rod, upper arm rod, balance rod and head seat cross rod constitute two duplex planar quadric crank mechanisms with rods connected flexibly. The electrically conducting top sliding board is separated by the middle insulating rod into two current collectors fixed via the insulating seat on the top cross rod; and the top cross rod is connected flexibly to the head seat cross rod, with two ends being connected via the top spring. When the low arm rod is oscillated by the cylinder on the bottom frame and the bow raising spring, the electrically conducting top sliding board will ascend or descent. The present invention has good contact performance, etc.
Owner:SHANGHAI JIAO TONG UNIV
Floating type train brake pad capable of replacing friction block
InactiveCN102359523ASafe and reliable workIncrease contact friction areaBraking elementsFriction liningMetallic materialsEngineering
The invention discloses a brake pad which is applied to a disc type brake system of a high-speed train. A friction block constituted by the brake pad can be flexibly replaced. The brake pad comprises a brake pad back plate which is made of a metal material, an elastic supporting sheet, the friction block and a circular spring clamp, wherein the elastic supporting sheet is provided with a spherical supporting surface and a central guide hole; the lower part of the friction block is provided with a spherical supporting surface and a positioning and connecting shaft which is provided with a clamping groove; the connecting shaft can penetrate through the central guide hole and a back plate positioning hole of the elastic supporting sheet and is locked on the back plate by the circular spring clamp to realize floating connection; the friction block is provided with a polygonal block with a blind hole in the center; and every three friction blocks form an interlocking group, so that the rotation of the friction block during working of the brake pad is prevented. The brake pad can achieve the maximum contact friction area of the brake pad and a brake disc in a train braking process, so that the braking process is stable and the brake pad has the functions of damping, vibration reduction, noise reduction, heat dissipation and the like. The friction block is easy to replace, so that the train operation cost is lowered.
Owner:BEIJING TIANYISHANGJIA NEW MATERIAL
Cell management system of electric automobile
InactiveCN101362427AImprove reliabilitySimple structureBatteries circuit arrangementsElectric propulsion mountingElectrical batteryAutomotive battery
The invention discloses a battery management system of an electric vehicle, which comprises a primary vehicle-body system, a main controller and a battery pack, wherein, the battery pack is formed by more than two batter modules connected in series, the batter modules are formed by connecting more than two single cells in series, each battery module is provided with a battery collecting module, the battery pack is respectively connected with a complete vehicle power system through a discharging relay and a charging relay, the main controller is connected with a previous complete vehicle system through a first optical isolator, and the battery collecting module is connected with the main controller through a second optical isolator. The battery management system has the advantages that: as the battery management system is composed of the main controller (BMU) and the next battery collecting module (LECU), the composition of the system structure is simplified through the main controller and the next battery collecting module, the cost of the hardware of the system can be reduced, and simultaneously, the reliability of the management system can be greatly enhanced.
Owner:NINGBO BATE TECH
Safe Processing Method of Electronic Throttle Signal for Automobile
InactiveCN102269060AAvoid elevationPrevent slowdown behaviorEngine controllersMachines/enginesAutomatic controlElectronic throttle
The invention discloses a safety handling method of electronic accelerator signals for an automobile. The method comprises the following steps: carrying out shunt collecting by two ways on original voltage signals of an electronic accelerator pedal through a voltage division circuit; carrying out normalization treatment on the voltage signals of the two-way electronic accelerator pedal to acquirea reliable percentage value; finally selecting the normalization value of the voltage signals of a one-way electronic accelerator pedal as an output value of the electronic accelerator pedal by combining a diagnosis module based on diagnosis signals of a hardware layer and position signals of a brake pedal which are output by a shunt circuit; and simultaneously controlling the numerical value andchange rate of the output value of the electronic accelerator pedal. Therefore, according to the invention, when the voltage signals of the electronic accelerator pedal is abnormal, reasonable and malfunctions, unexpected automobile acceleration and speed reduction actions are avoided through an appropriate judge strategy and a stoppage coping mechanism, thus other motive system control modules which takes the acceleration pedal signals as inputs are ensured to operate safely and reliably.
Owner:澳特卡新能源科技(上海)有限公司
Large three-dimensional coordinate measuring method with laser tracking and device
InactiveCN102506702AMeasuring outsideMeasurement characteristicsUsing optical meansMechanical measuring arrangementsMeasurement deviceControl system
The invention relates to space coordinate measurement of large engineering and large machines and workpieces, and provides a large three-dimensional coordinate measuring system, which can be used on an engineering or production site, has high measurement accuracy, safe and reliable working and large measurement range, can detect the internal and external characteristics of a detected object and can meet the requirement for large size measurement in various engineering and production. The technical scheme adopted by the invention is as follows: the large three-dimensional coordinate measuring device with laser tracking comprises a measuring machine, a laser tracker and a calculation control system as well as a laser interferometer for measuring linear displacement, wherein the measuring machine is provided with a horizontal arm capable of doing x-direction movement and a main shaft capable of doing z-direction movement; the other end of the horizontal arm is provided with a corner prism; one end of the main shaft is provided with a measuring head rotating body which is provided with a measuring head; the other end of the main shaft is provided with a target and an angle measuring device; and a temperature measuring element which is used for carrying out temperature compensation is stuck on the main shaft. The invention is mainly applied in three-dimensional coordinate measurement.
Owner:TIANJIN UNIV
Station charging type public transportation trolley bus system receiving power in transverse and lateral direction
InactiveCN101580024ASimple structureSimple compositionRail devicesCharging stationsRational systemCharge type
A station charging type public transportation trolley bus system receiving power in transverse and lateral direction comprises a station charging type public transportation trolley bus, a station surface road mark, a bi-wiring pantograph receiving power in the transverse and lateral direction, a double feeding wire, a charging type public transportation trolley bus stand; the station charging type public transportation trolley bus takes on-vehicle storage battery or / and a supercapacitor as drive power source; the station surface road mark is a traffic sign boundary line which is on the charging type public transportation trolley bus stand road and is arranged along the correct parking position; the bi-wiring pantograph receiving power in the transverse and lateral direction is arranged at the top part of charging type public transportation trolley bus or above the stand shed of the charging type public transportation trolley bus stand; the double feeding wire is correspondingly arranged above the stand shed or at the top part of the public transportation trolley bus; the station charging type public transportation trolley bus parks at the charging type public transportation trolley bus stand and enters the station surface road mark; then the bi-wiring pantograph receiving power in the transverse and lateral direction automatically extend to contact the double feeding wire in the transverse and lateral direction of the driving direction so as to receive power and to be charged. The system of the invention features simple structure, rational system composition and beautiful appearance of the stand.
Owner:SHANGHAI JIAO TONG UNIV
LLC series resonant converter and its synchronous rectifying power switch driving method
ActiveCN1825743ARealize synchronous rectification functionSafe and reliable workEfficient power electronics conversionEnergy industryResonanceResonant converter
This invention relates to a LLC serial resonance converter and its synchronous commutation power switch drive method, in which, said converter includes a bridge circuit, a resonating network, a transformer, a commutation circuit and a frequency adjustment controller, in which, said bridge circuit contains at least a pair of power switches driving the resonant network, the commutation circuit includes at least a pair of synchronous power switches corresponding to the power switch, in which, the frequency adjustment controller provides driving signals of the power switch based on the working frequency of the LLC serial resonant converter and the serial resonant frequency of the resonant network so as to realize the synchronous commutate function.
Owner:DELTA ELECTRONICS INC
Online detection method of insulating resistance to ground of photovoltaic grid-connected inverter
ActiveCN102279317ASafe and reliable workAccurate calculationImpedence measurementsElectrical resistance and conductanceGrid connected inverter
The invention relates to the technology of photovoltaic grid-connected inverter, in particular to an online detection method of insulating resistance to ground of a photovoltaic grid-connected inverter. The method comprises the following steps of: by sampling an output voltage VPV of a photovoltaic cell and enabling a switch S1 in a resistance switch circuit to be in opening or closing state, disconnecting or connecting a resistor R5 from or to an upper bridge arm, and then sampling a voltage signal of a dividing voltage output end of a lower bridge arm to obtain a voltage ratio equation of anode to ground of photovoltaic cell and cathode to ground of the photovoltaic cell, thereby online calculating a insulating resistance R+ of anode to ground of the photovoltaic cell and an insulating resistance R- of cathode to ground of the photovoltaic cell in real-time and accurately. The method has simple calculation process and high detecting precision; by adopting the method, the online and real-time detection of anode-to-ground resistance of the photovoltaic cell and the cathode-to-ground resistance of the photovoltaic cell is achieved, the photovoltaic grid-connected inverter is guaranteed to work safely and reliably.
Owner:EAST GRP CO LTD
Respirator with condensing and drying functions and dish-washing machine using same
PendingCN106821265AStable jobSafe and reliable workTableware washing/rinsing machine detailsWater savingWater storage
The invention discloses a respirator with condensing and drying functions. The respirator comprises a box body and a cover body which are mutually buckled, wherein the box body is provided with a steam inlet communicated with an inner container of a dish-washing machine and a steam outlet communicated with the outside; the box body is provided with a water diversion port and a water draining outlet; a water storing chamber is formed between the water diversion port and the water draining outlet in the box body; a condensation channel is arranged between the steam inlet and the steam outlet in the box body and arranged in the water storing chamber; a condensation water draining opening is formed below the condensation channel; a fan is arranged at the tail end of the condensation channel. According to the respirator disclosed by the invention, siphon can be prevented, condensation water generated by condensing steam can be drained and repeatedly utilized, and uncondensed steam is exhausted by the fan, so that tableware in the dish-washing machine can be quickly dried. The invention also provides the dish-washing machine using the respirator with the condensing and drying functions; the exhaust quantity of the steam can be reduced, and steam condensation water generated in the respirator can be repeatedly utilized, so that the dish-washing machine realizes better water-saving and energy-saving functions.
Owner:FENGHUA EAGURT MACHINERY MFR
Stacking and unstacking conveying device and method for palletizing and storing postal container boxes
ActiveCN101746607AReduce the problem of occupying a large areaLess investmentStacking articlesDe-stacking articlesEngineeringMechanical engineering
The invention relates to a stacking and unstacking conveying device and a method for palletizing type conveying and storage of postal container boxes. The device comprises a conveying mechanism for transporting postal container boxes and stacking assemblies and unstacking assemblies which cooperate to control and carry out stacking or unstacking operations. Each stacking assembly and each unstacking assembly are respectively provided with a positioning mechanism for positioning the postal container boxes, a clamping mechanism for clamping the postal container boxes to carry out operations of stacking and unstacking and a lifting mechanism for lifting the postal container boxes to carry out operations of stacking and unstacking. The invention realizes stacking, unstacking, palletizing conveying and storage, solves the problem of a larger occupied area of postal boxes in transportation and storage, correspondingly reduces the investment of transporting lines, realizes automatic operation of the whole device, and has smart design, simple structure, easy operation and control, safe and reliable work, and broad popularization and application prospect.
Owner:邮政科学研究规划院有限公司
Superhigh frequency rediofrequency identical label reader
InactiveCN1815487AHigh sensitivitySafe and reliable workModulated-carrier systemsSensing record carriersAutomatic controlLow-pass filter
The disclosed reader is composed of antenna, directional coupler, logarithmic amplifier, two pieces of A / D converter, digital signal processor, power amplifier, frequency synthesizer, and serial interface etc. using orthogonal non coherent demodulation technique, the reader receives and detects data information (amplitude modulation or phase modulation) carried by backscattering electromagnetic wave of ID label in radio frequency. Thus, the invention omits complex phase-lock circuit of local oscillation of receiver as well as realizes higher sensitivity of receiver, and longer distance for reading card. Using directional coupler and logarithmic amplifier, the power amplifier carries out automatic power control. Comparing with traditional ID label reader in UHF, the disclosed reader possesses advantages of simple structure, stable performance, and low price.
Owner:ZHEJIANG UNIV
A high temperature and high pressure in-situ scratch and corrosion wear test device
ActiveCN102288504AHigh control precisionEasy to disassemble and maintainInvestigating abrasion/wear resistanceAuxiliary electrodeCorrosion
The invention relates to a scratching and corrosive wear test device, in particular to a high-temperature high-pressure in-situ scratching and corrosive wear test device. The device solves the problems that in-situ single-time scratching, reciprocating multiple-time corrosive wear and the like are difficult to realize under the high-temperature and high-pressure environment in the prior art. The device is provided with a frequency converter, a motor, a high-pressure kettle, a control cabinet, a double-upright-post fixed bracket, a moving shaft, a scratching head and the like, can perform in-situ single-time scratching, reciprocating multiple-time corrosive wear research on the surface of a test sample at high temperature and high pressure, and can detect a signal, which represents the process of a test sample surface membrane changed from damage to passivation in the scratching or corrosive wear process, by cooperating a high-temperature high-pressure reference electrode and a high-temperature high-pressure working auxiliary electrode which are arranged on the high-pressure kettle, with an electrochemical working station.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Automatic wall-building machine
ActiveCN105178616AEffective positioningImprove parallelismBuilding material handlingBrickEngineering
The invention discloses an automatic wall-building machine, characterized by comprising a longitudinal movement mechanism (A), a transverse movement mechanism (B), a vertical lifting mechanism (C), a brick conveying mechanism (D), a mortar spraying mechanism (E), and a brick discharging mechanism (F). The longitudinal movement mechanism (A) comprises two guide rails (4) which are parallel. A first bottom plate (3) is slidably fitted on the two guide rails (4). The transverse movement mechanism (B) comprises a second bottom plate (13) which is mounted on the first bottom plate (3) through a moving slide rail (9). A horizontal movement direction of the moving slide rail (9) is parallel to that of the first bottom plate (3). The vertical lifting mechanism (C) is arranged on the second bottom plate (13). The brick conveying mechanism (D), the mortar spraying mechanism (E) and the brick discharging mechanism (F) are arranged on the vertical lifting mechanism (C). The brick conveying mechanism (D) is used for conveying bricks. A conveying exit of the brick conveying mechanism (D) is located opposing a discharge exit of the brick discharging mechanism (F). A mortar spout of the mortar spraying mechanism (E) exactly faces the discharge exit of the brick discharging mechanism (F).
Owner:山东岱圣建设有限公司
Configurational tree-shaped heat pipe radiator
ActiveCN102034773AImprove cooling effectReduce the temperature level of the heating surfaceSemiconductor/solid-state device detailsSolid-state devicesHeat flowEngineering
The invention discloses a configurational tree-shaped heat pipe radiator. The radiator consists of a high-thermal conductivity base plate, liquid-absorption cores, a radiating fin and working media, wherein narrow cavities are formed inside the base plate; the radiating fin is connected with the narrow cavities; communicated cavities are formed inside the radiating fin; the liquid-absorption cores are filled in the narrow cavities; the working media are filled in the narrow cavities and the communicated cavities; the radiating fin has a configurational tree-shaped structure and consists of a main communicated channel and at least two forked connection fins; the forked connection fins are arranged at the periphery of the main communicated channel circularly; and the communicated cavities inside the forked connection fins are communicated with the main communicated channel. The heat pipe radiator can quickly remove the heat which is generated by a plurality of (a single) local high-temperature heat flow heat source points (point) through phase change of the working media, so that local hot points are effectively eliminated, temperature of a heating surface of the heat pipe radiator is reduced, and safe, stable and efficient operation of electronic equipment is further guaranteed.
Owner:SOUTHEAST UNIV
Intelligent vehicle controller
InactiveCN102541016AHigh degree of humanizationFault detection and maintenance are convenient and quickTotal factory controlProgramme total factory controlBus interfacePower management
The invention discloses an intelligent vehicle controller. The intelligent vehicle controller comprises a micro controller unit, wherein the signal input end of the micro controller unit is connected with a switching signal acquisition circuit unit, an analog signal acquisition circuit unit, a collision signal acquisition circuit unit and a vehicle body inclination signal acquisition circuit unit; the signal output end of the micro controller unit is connected with an output control circuit unit; the output control circuit unit outputs a control signal to an executive mechanism of a vehicle; the micro controller unit communicates with a controller area network (CAN) bus interface circuit unit, a local interconnect network (LIN) bus interface circuit unit and a memory unit; and a power management unit supplies power to the micro controller unit, other units and a vehicle sensor. The vehicle controller has high stability, strong functions, high universality and high anti-interference capability, is low in cost and meets the requirements of different working conditions.
Owner:沈阳中科正方新能源技术有限公司
Multifunctional indwelling needle
The invention relates to a multifunctional indwelling needle comprising a sleeve tube assembly and a steel needle assembly. The multifunctional indwelling needle is characterized by further comprising an anti-reflux valve, an anti-puncture safety device and a non-needle positive pressure connector, wherein the anti-reflux valve is arranged in the middle cavity of a sleeve tube seat and located at the front end of a hose communicated with the sleeve tube seat in the axial direction of the sleeve tube seat; the anti-puncture safety device is arranged on a steel needle seat, and the non-needle positive pressure connector is arranged on an external connector; the anti-puncture safety device is a non-spring anti-puncture safety device, and the non-needle positive pressure connector is a non-spring non-needle positive pressure connector. Blood can be prevented from overflowing to cause pollution due to the sealed structure; the situation that because a medical worker is punctured when the steel needle is pulled out, the medical worker catches a disease is avoided; anti-reflux double protection avoids accidental conditions caused by a single measure, the multifunctional indwelling needle is safe and reliable at work, the problems caused by blood reflux are avoided, and working efficiency of the medical worker is improved. Meanwhile, the non-spring structure avoids the corrosion problem caused by a spring structure, the multifunctional indwelling needle is safer and more sanitary, and steady and reliable working of the indwelling needle is ensured.
Owner:NANTONG HENGTAI MEDICAL APP
Automation control method for tunnel lining construction
ActiveCN108104838ARealize information collectionRealize automatic controlUnderground chambersTunnel liningAutomatic train controlAutomatic control
Disclosed is an automation control method for tunnel lining construction. A control system integrates all information collecting and control procedures of a traveling mechanism, a hydraulic system, aconcrete distribution device, a vibrating device, a temperature sensor, a flowmeter, a video monitor and a pressure sensor, is equipped with a GPRS wireless data transmission module, and can collect and upload information in the casting process of a tunnel lining to a project department monitoring room. The distribution device can be connected with a plurality of distribution pipes in series, thetemperature sensor is used for detecting the concrete casting temperature, and the flowmeter is used for collecting the concrete casting quantity and implementing automatic control over casting. The video monitor monitors real-time work picture information, and collects and transmits the real-time work picture information to the project department monitoring room. The vibrating device achieves vibrating automatic control operation for concrete. The pressure sensor detects and collects pressures of all points in the concrete casting process and displays the casted height of the concrete. The control system conducts concentration analysis on data collected in the casting process of the tunnel lining, gives out a control instruction, and uploads the detected data to the project department monitoring room.
Owner:中铁隧道勘察设计研究院有限公司
Features
- Generate Ideas
- Intellectual Property
- Life Sciences
- Materials
- Tech Scout
Why Patsnap Eureka
- Unparalleled Data Quality
- Higher Quality Content
- 60% Fewer Hallucinations
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.
© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com