Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

35results about How to "Simplify detection" patented technology

Swirl type triangle crossarm hinge space extending arm

The invention relates to a coil type triangular horizontal framework articulate space stretch arm, which comprises a plurality of articulated triangular horizontal frameworks, three longitudinal rods and a plurality of opposite angles stiffening cables, wherein, each articulated triangular horizontal framework comprises three triangular articulation joints and three Ti-Ni alloy short rods, and provides the longitudinal rods with lateral support; each triangular articulation joint comprises a 60 DEG connector, a cylindrical joint with stairs, three bolts and two nuts; end heads of each Ti-Ni alloy short rod are fixed in the holes of the 60 DEG connectors through two M2 bolts; two holes used for fixing the opposite angles stiffening cables are further formed on each of the 60 DEG connectors; an M2 thread is arranged on the a thinner end of the cylindrical joint; the cylindrical joint is limited to make three-displacements and two-rotations relative to the connector with 60 DEG through nuts, without limiting the cylindrical joint rotate axially; and the cylindrical joint fixedly connects the longitudinal rods and the 60 DEG connectors through an axial M3 bolt. The invention can be applied in the fields of the space detection arms, the large scale solar battery arrays of spacecrafts, the main structure of space stations, and the like.
Owner:BEIHANG UNIV

Truss type spatial antenna extension arm

InactiveCN109546282ALarge opening diameterLarge unfolded support stiffnessTelescopic elementsLinear motionEngineering
The invention discloses a truss type spatial antenna extension arm which is composed of a hinged quadrilateral cross rod, a hinged longitudinal rod, a driving mechanism and a locking device. The hinged quadrilateral cross rod is composed of a cross rod, a first locking hinged joint, a second locking hinged joint and a third locking hinged joint and provides lateral support for the longitudinal rod. The hinged longitudinal rod is composed of a longitudinal rod body and a fourth locking hinge head and provides supporting rigidity. The driving mechanism comprises a driving gear and a driving leadscrew; and the locking device consists of a spring clip and a steel ball. The cross rods and the longitudinal rods are in threaded connection with the hinge heads, and mounting and dismounting are convenient. The driving mechanism enables a hinge block to do linear motion through a lead screw nut and drives the whole stretching arm to be unfolded and folded. After unfolding is completed, the locking device of the hinged joints enables the mechanism to be locked, and rigidity of the stretching arm truss unit is achieved. The truss type spatial antenna extension arm has the advantages of beingsmall in mass, high in strength and high in repeated unfolding positioning precision. And the extension arm can also be used for a solar cell array, a sailboard and a space detector.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Support and hanger quantifying, mounting, detecting and regulating tool and method using same to perform support and hanger load measurement

ActiveCN109723910AAccurate Quantification of InstallationAccurate quantification of detectabilityPipe supportsApparatus for force/torque/work measurementEngineeringMechanical engineering
The invention relates to a support and hanger quantifying, mounting, detecting and regulating tool and a method using same to perform support and hanger load measurement. The regulating tool comprisesa first supporting assembly which is arranged on a hanger rod and is positioned below a turn-buckle, and a second supporting assembly which is positioned above the turn-buckle, wherein a force measuring assembly is arranged between the first supporting assembly and the second supporting assembly; the force measuring assembly at least comprises a force transmission rod which is arranged between the first supporting assembly and the second supporting assembly, and extends parallel to the hanger rod, a strain sensor which is adhered on the force transmission rod, a loading and unloading device for loading and unloading the force transmission rod, and a data processing device for acquiring strain data of the strain sensor and processing the strain data into force data. The tool can quickly and accurately quantify bracket load during mounting, detecting and regulating, and provides data support for standardized management of bracket mounting, detecting and whole-lifetime regulating.
Owner:SUZHOU NUCLEAR POWER RES INST +2

Characteristic sample piece and method used for detecting positioning accuracy of three-axis diamond lathe

ActiveCN104596461AEasy to detectPositioning accuracy accurately reflectsMeasurement devicesEngineeringStep height
The invention discloses a characteristic sample piece and method used for detecting the positioning accuracy of a three-axis diamond lathe. The sample piece comprises a base and a characteristic body fixed to the upper end of the base. The base is a flat cylinder. Twelve grooves are evenly distributed in the outer edge of the upper surface of the base in the circumferential direction. The characteristic body comprises five flat cylinders which are coaxially arranged, wherein the diameters of the flat cylinders sequentially increase from top to bottom, a step is formed by the edges between every two adjacent flat cylinders, and the base and the characteristic body are coaxially arranged. The method includes the steps of machining the characteristic sample piece through the three-axis diamond lathe arranged in a T shape, measuring the step height faces, the cylinder diameters and the groove central lines of the characteristic sample piece through a three-coordinate measurement machine after machining is completed, and inferring the positioning accuracy of the three-axis diamond lathe according to the detection result. The designed sample piece has the advantages of being simple in structure, convenient to machine, capable of effectively reflecting the positioning accuracy, and the like.
Owner:HARBIN INST OF TECH

Hand-held nondestructive lycopene detection apparatus based on dual-wavelength Raman spectrometry

ActiveCN106970062ARealize in situ detectionEffectively distinguish lycopeneRaman scatteringBeta-CaroteneLycopene
The invention provides a hand-held nondestructive lycopene detection apparatus based on dual-wavelength Raman spectrometry. The hand-held nondestructive lycopene detection apparatus comprises a Raman probe, a 488-nm laser, a 514-nm laser and a spectrometer, wherein the Raman probe is integrated with a 488-nm excitation optical fiber and a corresponding first excitation optical path thereof, a 514-nm excitation optical fiber and a corresponding second excitation optical path thereof, a 488-nm collection optical fiber and a corresponding first collection optical path thereof, and a 514-nm collection optical fiber and a corresponding second collection optical path thereof; the 488-nm excitation optical fiber is connected with the 488-nm laser; the 514-nm excitation optical fiber is connected with the 514-nm laser; and the 488-nm collection optical fiber and the 514-nm collection optical fiber are connected with the spectrometer. The hand-held nondestructive lycopene detection apparatus provided by the invention can effectively distinguish the contents of lycopene and beta-carotene, realize in-situ detection of a to-be-detected sample, eliminate system errors and greatly simplify the adjustment and detection process of a system; and the hand-held nondestructive lycopene detection apparatus is simple and compact in structure, easy to operate, convenient to carry with one and more suitable for field and on-site detection.
Owner:BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI

Inner cylinder surface defect detection method

The invention provides an inner cylinder surface defect detection method. The method comprises a traditional rotary table and an improved conveyor belt; a traditional to-be-detected inner cylindricalsurface is clamped in the center of the top of the traditional rotary table; a traditional single industrial camera is bolted to the right side of the top of the traditional to-be-detected inner cylindrical surface; improved to-be-detected inner cylindrical surfaces are sequentially clamped at the top of the improved conveying belt from left to right; and a plurality of improved industrial camerasare sequentially bolted to the tops of the improved to-be-detected inner cylindrical surfaces from left to right. Through the structural cooperation of the improved conveyor belt, the improved to-be-detected inner cylindrical surfaces and the improved industrial cameras, the precision and integrity of the collection surfaces of the improved to-be-detected inner cylindrical surfaces are improved;a mechanical structure and detection process are greatly simplified; a clamping device and a rotary table necessary for a traditional scheme are not needed; multiple stations do not need to be arranged; and detection speed is improved, and workpieces can be detected only by being conveyed through the conveyor belt.
Owner:JIANGSU NANGAO INTELLIGENT EQUIP INNOVATION CENT CO LTD

Detection circuit and detection method thereof, fan and readable storage medium

The invention discloses a detection circuit and a detection method thereof, a fan and a readable storage medium. The detection circuit is used for detecting a boundary position in a fan head shaking process, and the detection circuit comprises a controller, a power supply circuit, a stepping motor, a winding switch and a sampling resistor; the control end of the winding switch is connected with the controller, the input end of the winding switch is connected with the power supply circuit through a winding of the stepping motor, and the output end of the winding switch is grounded through the sampling resistor; the power supply circuit comprises a change-over switch, a first power supply access and a second power supply access, the first power supply access and the second power supply access are connected in parallel, the change-over switch is used for switching one of the first power supply access and the second power supply access to be switched on, and the current when the first power supply access is switched on is larger than that when the second power supply access is switched on. And the change-over switch is connected with the controller. The method has the advantage of simplifying the detection circuit and structure of the fan head shaking boundary position.
Owner:GD MIDEA ENVIRONMENT APPLIANCES MFG

Nano biosensor for detecting concentration of hydrogen peroxide, and preparation method and application of nano biosensor

The invention discloses a nano biosensor for detecting the concentration of hydrogen peroxide, wherein the nano biosensor is characterized in that rare earth up-conversion luminescent nanoparticles synthesized by a thermal coprecipitation method are used as a substrate, and oleic acid ligands on the surface of the substrate are epoxidized and subjected to a ring-opening addition reaction with electron-donating ligands with amino groups; an electron-donating ligand is bonded to the surface of the up-conversion luminescent nanoparticles, and a layer of metallic silver elementary substance is grown in situ on the surface of the up-conversion luminescent nanoparticles by utilizing a photo-generated free electron reduction mode under the irradiation of 365 nm ultraviolet light; and the nano biosensor is formed, wherein the nano biosensor is of a core-shell structure with the surface of metal elemental silver and an inner core of the rare earth up-conversion luminescent nanoparticles as a matrix. The invention also discloses a preparation method of the nano biosensor and an application of hydrogen peroxide concentration detection on body surface and cell level. The nano biosensor provided by the invention has the advantages of good dispersibility, stable structure, good biocompatibility, high sensing signal strength and the like in water.
Owner:SHANGHAI UNIV

Hyperspectrum-based multi-index detection system for traditional Chinese medicine injection

The invention relates to the field of application of a hyperspectral technology, in particular to a detection system for simultaneously determining multiple indexes of a traditional Chinese medicine injection. The system comprises a traditional Chinese medicine injection ampoule bottle conveying module, a hyperspectral image acquisition module and a hyperspectral image processing module. The ampoule bottle conveying module is used for conveying the traditional Chinese medicine injection to be detected to the hyperspectral image acquisition area; the hyperspectral image acquisition module acquires a hyperspectral image of the injection, and the hyperspectral image processing module performs data processing on the acquired hyperspectral image and analyzes and outputs a chemical component prediction result, an activity prediction result, a chromaticity detection result and a visible foreign matter detection result in the traditional Chinese medicine injection. Only the traditional Chinesemedicine injection bottles on the bottle conveying module need to be scanned to form hyperspectral images, and extracted spectral information can predict multiple chemical indexes and multiple activeindexes and determine chromaticity. Whether visible foreign matters exist in the injection or not can be judged according to the extracted image information, and thus the detection mode and the detection equipment are greatly simplified and time and labor are saved.
Owner:HEILONGJIANG ZBD PHARMA

Precast slab pile cylindrical foundation construction method easy to detect and bearing capacity detection method

The invention relates to the technical field of wind power generation, in particular to a precast slab pile cylindrical foundation construction method easy to detect and a bearing capacity detection method. The construction method comprises the steps that the detection of the qualification of raw materials is carried out; (2) the prefabricated plate pile cylindrical foundation is constructed through the raw materials which are detected to be qualified according to the design; and (3) an underground beam is constructed. According to the construction method of the precast slab pile cylindrical foundation, the underground beam is added to simplify the steps and method for detecting the bearing capacity of the precast slab pile cylindrical foundation, the underground beam can provide counter force for the precast slab pile cylindrical foundation during horizontal detection, and therefore the difficulty and cost of detecting the bearing capacity of the precast slab pile cylindrical foundation are reduced; and meanwhile, the underground beam further increase the strength of the prefabricated plate pile cylindrical foundation, and the service life of the prefabricated plate pile cylindrical foundation is prolonged.
Owner:HUANENG CLEAN ENERGY RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products