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49results about How to "For special occasions" patented technology
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Silk brush fibre and its preparation method
InactiveCN1443500AOvercome the problem of entering the bodyAvoid disadvantagesBristleYarnAlcoholMolecular materials
The present invention relates to a method for making brush fibre by using natural high-molecular material silk as raw material, said method includes the following steps: boiling silk, adhesive bonding boiled silk to obtain core thread, covering it with silk protein as covering layer, drying, high-pressure steaming or soaking in alcohol to make hardening and insoluble treatment and make silk fibrehave a certain hardness. Said silk protein has no toxicity for human body, has no irritating action and has good bio-compatibility, so that said silk fiber is suitable for making toothbrush and otherbrushes which can be directly contacted with human body.
Owner:SUZHOU UNIV
Cross-linked polypropylene composite material and preparation method thereof
InactiveCN102070837AOvercome warm waterOvercoming craftPlastic/resin/waxes insulatorsPolypropylene compositesPolymer science
The invention discloses a cross-linked polypropylene composite material. The cross-linked polypropylene composite material is prepared by mixing polypropylene, an initiator, a cross-linking agent, a self-cross-linking promoter, a catalyst, a primary antioxidant, an auxiliary antioxidant and other processing aids according to a certain proportion. A preparation method of the cross-linked polypropylene composite material comprises the following steps of: weighing other components except the self-cross-linking promoter and the cross-linking catalyst according to the proportion first, fully mixing in a mixing kettle, and then adding into a twin-screw extruder from a feeding port; and adding the self-cross-linking promoter and the cross-linking catalyst into the twin-screw extruder from a side port of a screw, and then extruding and pelleting to obtain the cross-linked polypropylene composite material, wherein the adding of the self-cross-linking promoter from the side port of the screw is delayed, so that silane is grafted on polypropylene first and then reacts with the self-cross-linking promoter to form preliminary cross-linked polypropylene. The invention has the advantages of overcoming a warm water or steam cross-linking process in the conventional silane cross-linked polypropylene, realizing one-step continuous production, meeting the requirement of injection molding, and solving the problem that the subsequent processing cannot be performed by a radiation cross-linking method, along with excellent mechanical property.
Owner:KINGFA SCI & TECH CO LTD +2
Distributed solar energy cascade utilization system
InactiveCN101825073AImprove energy efficiencyGood energy saving effectSteam generation heating methodsFrom solar energyAutomotive engineeringCollector device
The invention provides a distributed solar energy cascade utilization system and belongs to the field of solar energy utilization. The system mainly comprises a main solar energy generating system and a residual heat utilization system. In the main solar energy generating system, a high-temperature heat collector, a steam turbine, a first heat exchanger and a circulating pump are connected in turn to form a water circulating passage; an electric generator is connected with the steam turbine; and an electrical storage device is connected with the electric generator. In the residual heat utilization system, a first heat exchanger, a hot water system, a refrigerating system or a heating system and a circulating pump are connected in turn to form a water circulating passage, wherein the main generating system is connected with the residual heat utilization system through the first heat exchanger. The system aims to realize synchronous supply of cold, heat and electricity by using solar energy so as to meet the requirements of residents on basic energy sources in daily life.
Owner:HUAZHONG UNIV OF SCI & TECH
Single-pump double-output photon-generated terahertz radiation method and generation device thereof
The invention provides a single-pump double-output photon-generated terahertz radiation method and a generation device thereof in order to solve the problems of single radiation output position, complex equipment structure, high cost and low stability of the traditional photon-generated terahertz radiation technology. The invention is based on a THz wave generation system for two parametric down conversion processes and a THz wavelength detection system for one parametric down conversion. The generation system comprises a pump source, a pump THz wave parameter oscillator, a THz wave parameter generator and a THz wavelength detection system, wherein signal light generated by the THz wave parameter oscillator provides difference frequency signal light for the THz wave parameter generator; the THz wave parameter oscillator and the THz wave parameter generator simultaneously output idler light THz waves with synchronous varying wavelength, and thus, the purpose of double THz wave outputs through single pump source is achieved. The THz wave parameter oscillator is subjected to feedback control through the THz wavelength detection system to achieve the purpose of controlling the THz wavelength of double outputs.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Super-flexible cable
The invention discloses a super-flexible cable which has a rational structure and better tensile performance. The super-flexible cable comprises a cable conducting core, wherein an electrician steel wire, an electrician steel wire rope, an aramid yarn or an aramid rope are placed in the middle of the cable conducting core to serve as a reinforcing core. The conducting core is formed by weaving copper strand wires around the reinforcing core through a weaving machine. By optimizing materials used by the manufactured cable and rationally designing the cable structure, the cable has super flexibility and superior bending, winding, torsion and tension performances, so that requirements of some special occasions are met.
Owner:FANYA CABLE
Manufacturing method of small aperture metal bend for pipe
InactiveCN1718358AFor special occasionsSolve the problem of replacing small-diameter elbows with right-angle elbowsOther manufacturing equipments/toolsEngineeringWeld seam
Owner:SHANGHAI NO 1 IRON & STEEL CO LTD BAOGANG GRP
Artificial electromagnetic material with characteristics of broadband high refractive index and low dispersion
ActiveCN103094696AHigh refractive indexThe refractive index changes smoothlyAntennasRefractive indexBroadband
The invention relates to an artificial electromagnetic material with characteristics of broadband high refractive index and low dispersion. The artificial electromagnetic material with characteristics of broadband high refractive index and low dispersion comprises at least one artificial electromagnetic material slice layer. Each manual electromagnetic material slice layer comprises two opposite substrates and at least a windmill-shaped artificial microstructure which is arranged between the two substrates. The artificial electromagnetic material in the structure possesses high refractive index in a wide band scope, is stable in refractive index change, meets requirements of special occasions such as semiconductor fabrication and antenna manufacturing and possesses wide appliance prospects.
Owner:KUANG CHI INST OF ADVANCED TECH +1
Method for processing 55Si2Mn alloy spring
InactiveCN102703670AImprove stress corrosion resistanceReduce susceptibility to hydrogen embrittlementFurnace typesHeat treatment furnacesSpring steelAlloy steel
The invention discloses a method for processing a 55Si2Mn alloy spring. The method comprises the following steps of: 1) heating a 55Si2Mn steel strip to 850 to 860 DEG C, and austenitizing; 2) performing isothermal quenching in a martensitic transformation temperature range of 55Si2Mn steel; 3) performing isothermal partition heat treatment on the 55Si2Mn steel treated in step 2 at the partition temperature of 400 to 420 DEG C for 6 to 7 minutes; 4) quenching a steel piece obtained in step 3 to room temperature; and 5) cold-rolling and forming the 55Si2Mn steel strip in a mode of cold-drawing a spring steel wire. Then a duplex microstructure consisting of low-carbon martensite, residual austenite and transformed microstructures of the low-carbon martensite and the residual austenite is obtained through isothermal partition heat treatment, so that the processed 55Si2Mn alloy steel has high strength and plasticity which are well matched, and the stress corrosion resistance is improved and the hydrogen embrittlement susceptibility is reduced; and therefore, the 55Si2Mn alloy spring has high strength and relatively high plasticity so as to meet the requirements of special occasions.
Owner:ZHEJIANG BUSINESS TECH INST
Magnetic force coupling adjustable transmission gear box
InactiveCN102299611BNo impactSimple structureDynamo-electric gearsMagnetic tension forceElectrical conductor
The invention relates to a speed changer structure and provides a magnetic force coupling adjustable transmission gear box. The transmission gear box is characterized in that: an input shaft (1) is fixedly connected with a 1# conductor disc (4) which is embedded with or attached with a 1# conductor ring (3). An air gap range extension pad (5) connects with a 2# conductor disc (9) and a 2# conductor ring (8). An output shaft (12) is fixedly connected with a magnetic force disc (10). On same circumference of the magnetic force disc (10), a plurality of rotatable rotation round blocks (6) are embedded, and two close permanent magnets (7) with different polarities are placed into each rotation round block (6). S / N polarities of all permanent magnets (7) are in central symmetry with a center of circle of the magnetic force disc (10). The magnetic force disc (10) of the output shaft (12) is positioned between the 1# conductor disc (4) and the 2# conductor disc (9) of the input shaft (1), and axial clearance is existed between the two conductor discs. The rotation round blocks (6) can be in synchronization rotation manually or automatically on the magnetic force disc (10). The conductor ring and the permanent magnet are in corresponding arrangement, torsional force of eddy-current coupling realizes power transmission, angles of the rotatable rotation round blocks are changed, transmission torque is changed, and a purpose of changing load rotating speed is realized.
Owner:SHANGHAI POTEVIO
Broadband artificial electromagnetic material
The invention relates to a broadband artificial electromagnetic material, which comprises at least one base material and artificial micro structures attached to the base materials, wherein each artificial micro structure comprises an opening annular structure and an I-shaped structure partially embedded into the opening annular structure. By the artificial electromagnetic material with the structure, the refractive index is relatively large in a relatively wide frequency band range and is changed steadily; furthermore, the dielectric constant is gradually increased from zero within a certain frequency band; a requirement of a special occasion can be met, in particular the fields of semiconductor manufacturing, antenna manufacturing and the like; and the broadband artificial electromagnetic material has a wide application prospect.
Owner:KUANG CHI INST OF ADVANCED TECH +1
Manual electromagnetic material with broadband high refraction index and low dispersion characteristic
ActiveCN103036047AHigh refractive indexThe refractive index changes smoothlyAntennasMicro structureRefractive index
The invention relates to a manual electromagnetic material with broadband high refraction index and low dispersion characteristic. The material comprises at least one manual electromagnetic material piece layer. Each manual electromagnetic material piece layer comprises a substrate and at least two artificial micro structures attached to the front face and the back face of the substrate, and each artificial micro structure comprises at least two I-shaped structures vertically distributed. The manual electromagnetic material has high refraction rate in a broadband range, and the refraction rate is stable in change. The manual electromagnetic material is capable of meeting requirements of special occasions such as fields of semiconductor manufacture and antenna manufacture. The manual electromagnetic material has wide application prospect.
Owner:KUANG CHI INST OF ADVANCED TECH +1
Liquid evaporation device and liquid evaporation process
PendingCN108525333AImprove evaporation efficiencySimple structureSeawater treatmentEvaporator accessoriesEvaporationEngineering
The invention provides a liquid evaporation device and a liquid evaporation process. The liquid evaporation device comprises a shell and a rotor. The shell is used for accommodating to-be-evaporated liquid. The rotor is mounted in the shell. A liquid inlet and a liquid outlet are arranged on the shell. The rotor comprises a hollow rotating shaft and hollow plates. The outer surfaces of the platescan be wetted by solvents of the to-be-evaporated liquid, and the to-be-evaporated liquid is enabled to form liquid films on the outer surfaces of the plates. The rotating shaft comprises a water / gasinlet pipeline and a water / gas outlet pipeline. A main heat source inlet and a main heat source outlet are arranged on the rotating shaft. Plate heat source inlets and plate heat source outlets are arranged on portions, connected with the plates, of the rotating shaft, and are arranged on portions, connected with the rotating shaft, of the plates. The plates of the evaporation device provide enough specific area for liquid evaporation, and also provide heat transfer area for internal heat sources to have a heat transfer function. By the liquid evaporation device, high efficiency in evaporationcan be realized when liquid is in a non-boiling state.
Owner:MEIQING TECH BEIJING CO LTD
Truss-vehicle type dredging machine
InactiveCN106621492AExtended service lifeCompact structureSettling tanks feed/dischargeVehicle frameChain type
The invention discloses a truss-vehicle type dredging machine. The truss-vehicle type dredging machine comprises a chain type dredging bucket, a drive frame, a belt conveyor and a self-locking type lifting mechanism, wherein the drive frame is arranged at the edges of a scum tank through the coordination of slide wheels and guide rails, drive rollers are mounted on the drive frame through multiple supports, drive gears are mounted at two ends and in the middle of each drive roller, the chain type dredging buckets are mounted on the drive gears through chains, the lowermost drive roller is mounted on the drive frame through the self-locking type lifting mechanism, the belt conveyor is arranged below the uppermost drive roller, and an oblique mud blocking plate is mounted on the drive frame and located below the belt conveyor and the uppermost drive roller. The truss-vehicle type dredging machine adopting the truss structure has the advantages that the truss-vehicle type dredging machine is firm and durable, long in service life, high in transmission efficiency, few in mechanical faults, good in dredging effect, fast in transmission, simple and convenient to maintain and low in operation cost; the machine adopts full-automatic operation, does not need to be operated and followed by staff and can reduce influence of special occasions on staff health.
Owner:淄博海润环境工程有限公司
Liquid evaporation device and process
PendingCN108452542AImprove evaporation efficiencySimple structureSeawater treatmentEvaporator accessoriesClosed loopEvaporation
Owner:MEIQING TECH BEIJING CO LTD
Heat treatment method for 55Si2Mn alloy steel
InactiveCN102660671AHigh strengthImprove plasticityHeat treatment process controlMartensite transformationRoom temperature
The invention provides a heat treatment method for a 55Si2Mn alloy steel. The method comprises the following steps of: 1) heating a 55Si2Mn alloy steel part to the temperature of 850-860 DEG C for austenitizing treatment, wherein the heat insulation time is 8-9.5 minutes; 2) carrying out isothermal quenching in a martensite transformation temperature interval of the 55Si2Mn alloy steel, wherein the quenching temperature is 210-220 DEG C and the heat insulation time is 1-1.5 minutes; 3) carrying out isothermal partition heat treatment on the 55Si2Mn alloy steel processed in the step 2 at the partition temperature of 400-420 DEG C for 6-7 minutes: and 4) quenching the steel part obtained in the step 3 to the room temperature, and carrying out the isothermal partition heat treatment to obtain a complex phase structure composed of low carbon martensite and retained austenite as well as transformation structures of low carbon martensite and retained austenite, so that the processed 55Si2Mn alloy steel presents well coordination of high strength and high plasticity, the stress corrosion resistance is improved and the hydrogen embrittlement sensitivity is reduced.
Owner:赵佳丽
Rotating speed control method capable of controlling motor phase
ActiveCN112468050AQuick responseHigh precisionElectric motor controlGeneral control strategiesClassical mechanicsElectric machinery
The invention belongs to the technical field of helicopter model rotor tests, and discloses a rotating speed control method capable of controlling a motor phase, and the method comprises the steps: collecting an actual rotating speed signal of a motor; setting an expected rotating speed signal of the motor and an expected phase signal of the motor; determining a rotating speed error signal of themotor; according to the rotating speed error signal of the motor and the expected phase signal of the motor, setting a motion trail curve of the expected phase signal and the rotating speed error signal of the motor, and setting a keeping control law of the motion trail curve; setting a motion control law of the motion trail curve; according to the motion control law of the motion trail curve andthe keeping control law of the motion trail curve, enabling the expected phase signal and the rotating speed error signal of the motor to be changed according to the motion trail curve, and controlling the rotating speed and the phase of the motor at the same time.
Owner:CHINA HELICOPTER RES & DEV INST
Convenient hand-screw screw
The invention discloses a convenient hand-screw screw. The screw comprises a screw body, a screw head and a hand-screw component, wherein the screw body is cylindrical; external threads are coiled onthe surface of the screw body; the screw head is arranged at the upper end of the screw body; the hand-screw component is arranged at the upper end of the screw head. According to the invention, the upper end of the screw head of the screw is provided with the hand-screw component, the screw can be loosened or tighten by turning the hand-screw component without a tool, requirements of some specialoccasions are met, a hand-screw rod of the hand-screw component can be matched with a hand-screw rod accommodating cavity of a supporting component, the hand-screw rod can be stored when the hand-screw rod is not used, so that collision damage is avoided; the hand-screw component is arranged at the upper end of the screw head of the screw, the screw can be loosened or tighten by turning the hand-screw component without a tool, requirements of special occasions are met, a hand-screw rod of the hand-screw component can be matched with a hand-screw rod accommodating cavity of a supporting component, and the hand-screw rod can be stored when the hand-screw rod is not used, so that collision damage is avoided.
Owner:海盐凯鑫五金有限公司
Silk brush fibre and its preparation method
InactiveCN1176623COvercome the problem of entering the bodyAvoid disadvantagesBristleYarnAlcoholMolecular materials
The present invention relates to a method for making brush fibre by using natural high-molecular material silk as raw material, said method includes the following steps: boiling silk, adhesive bonding boiled silk to obtain core thread, covering it with silk protein as covering layer, drying, high-pressure steaming or soaking in alcohol to make hardening and insoluble treatment and make silk fibre have a certain hardness. Said silk protein has no toxicity for human body, has no irritating action and has good bio-compatibility, so that said silk fiber is suitable for making toothbrush and other brushes which can be directly contacted with human body.
Owner:SUZHOU UNIV
Stage projection lamp having dual-color wheel system
PendingCN108490623AThere will be no "black screen" phenomenonMeet the needs of ordinary occasionsProjectorsOptical elementsCamera lensLight reflection
The invention discloses a stage projection lamp having a dual-color wheel system. The stage projection lamp is composed of a convergence assembly, a light splitting assembly, a trimming assembly, a reflection and refraction assembly, a prism system, a digital micromirror component and a projection lens that are arranged successively along a light source propagation direction. The convergence component is used for converging light emitted by the light source into parallel light; the light splitting assembly is used for filtering RBG three-primary-color light periodically; the trimming assemblyis used for realizing light homogenization; the reflection and refraction assembly is used for light reflection and refraction; the digital micromirror component is used for reflecting light to a prism system and projecting light in the projection lens, and carrying out imaging under the effect of the projection lens; and the projection lens is sued for enlarging the image and projecting the processed image on a target object. The light splitting assembly is a dual-color wheel system and consists of a first color wheel and a second color wheel that work independently, so that the switching ofthe projection modes is realized. The light output quantity in a special mode can reach 55% to 60% of original effective light to enable the luminous efficacy to be 2 to 2.5 times of the ordinary-projection-mode projector, so that the luminous efficacy is enhanced significantly.
Owner:GUANGZHOU HAOYANG ELECTRONICS CO LTD
PS-b-P4VP copolymer film and preparation method thereof
PendingCN111995778AGood spatial network structurePromote polymerizationElectrophoretic coatingsElectrochemical responsePolymer science
The invention discloses a PS-b-P4VP copolymer film and a preparation method thereof. The preparation method comprises the following steps: synthesizing a polystyrene precursor at first and preparing an emulsion from the polystyrene precursor; immersing an ITO conductive glass sheet in an electrochemical workstation into the polystyrene emulsion for a certain period of time, taking out the ITO conductive glass sheet, and carrying out heat preservation under proper temperature and humidity conditions to form a PS array; and immersing the conductive glass sheet coated with the PS array into an electrochemical reaction system containing 4-vinylpyridine and the emulsion, starting an electrochemical workstation, and controlling a potential range to be 1.0-3.0 V, a scanning speed to be 15-25 mV / Sand reaction time to be 4-8 h to obtain the PS-b-P4VP copolymer film. According to the brand-new synthesis method of the PS-b-P4VP copolymer film, a synthesis path of the copolymer film is enriched;and the copolymer film prepared by adopting the method provided by the invention is better in quality.
Owner:JIANGXI UNIV OF SCI & TECH
Waterproof press-riveting nut for hardware
PendingCN110145530AImprove connection tightnessImprove waterproof performanceWashersNutsEngineeringMechanical engineering
The invention discloses a waterproof press-riveting nut for hardware. The waterproof press-riveting nut comprises a nut body, a limiting platform, a deformation pressing structure, locating teeth anda first annular sealing ring. The nut body is cylindrical. A threaded cavity is formed in the center of the nut body and is of a structure with the upper end being open and the lower end being closed.The limiting platform is arranged at the upper end of the nut body and is in a disc shape. The pressing structure is arranged at the upper end of the limiting platform. The multiple locating teeth are evenly arranged between the pressing structure and the limiting platform. The locating teeth are arranged around the lower end of the limiting platform at equal distance. The open end of the threaded cavity penetrates through the locating platform and the deformation pressing structure. Three annular sealing rings are arranged on the riveting nut and can cooperate with a sheet metal part, the connecting tightness degree between the riveting nut and the sheet metal part can be improved, the waterproof performance can be improved, and the requirements of some special occasions can be met.
Owner:嘉兴莱福精密机械有限公司
A method for manufacturing a conductor core in an ultra-flexible cable
The invention discloses a method for manufacturing a conductor core in an ultra-flexible cable. Firstly, electrical steel wire, electrical steel wire rope, aramid wire or aramid rope are selected as the reinforcing core of the cable according to the performance requirements, and the reinforcing core is rewound The machine is rewound to the steel plate, and then the copper strands are braided to the reinforcement core by a braiding machine on the periphery of the reinforcement core to complete the manufacture of the conductor core. In the present invention, through the improvement of the manufacturing method of the conductor core and the application of reasonable materials, the cable is equipped with super flexibility, excellent bending, curling, twisting, and stretching properties, thereby meeting the needs of some special occasions. The cable prepared by this method The conductor core has a tensile strength of more than 1000Mpa, an average breaking and bending time of more than hundreds of thousands of times, and an average service life of more than one year.
Owner:FANYA CABLE
Bidirectional inclining type automatic open type skylight
ActiveCN106088487AFor special occasionsExtended service lifeRoof coveringLeveling mechanismVertical plane
The invention relates to a bidirectional inclining type automatic open type skylight. The skylight comprises a skylight support, a skylight steel frame, a driving mechanism and a track, wherein the skylight steel frame is of a bidirectional inclining type structure, the middle vertical plane of the track is vertical to ground, multiple side guiding roller groups are also arranged at one side of the skylight steel frame along the extension direction of the track, the side guiding roller groups are arranged at one higher side of the skylight support; each side guiding roller group comprises a guiding roller base, a main guiding roller and a secondary guiding roller; each guiding roller base is arranged at the lower side of the skylight steel frame, the main guiding roller and the secondary guiding roller are arranged at the lower side of the corresponding guiding roller base, the main guiding rollers and the secondary guiding rollers are respectively arranged at the two sides of the track, a working face of each main guiding roller clings to the side edge of the track, and a first leveling mechanism is arranged between the guiding roller bases and the skylight steel frame and between a roller assembly and the skylight steel frame respectively. The bidirectional inclining and automatic open type skylight provided by the invention realizes non-equal altitude arrangement of the track, so that the appearance of a building roof is in an integral bidirectional inclining form; meanwhile, mounting difficulty of the track is reduced, and service life of the skylight is prolonged.
Owner:ZHEJIANG DAFENG IND
Switch socket panel with LCD (Liquid Crystal Display)
InactiveCN101938059ANo manualNo mechanical switchCouplings bases/casesProgramme control in sequence/logic controllersLiquid-crystal displayHigh energy
The invention relates to a switch socket panel with LCD (Liquid Crystal Display). The switch socket panel is mainly characterized in that a circuit board for presenting parameters of the power consumption state, the working state, the operation control, and the like of a load is arranged and fixed in the switch socket panel, wherein an LCD module is used for presenting an intelligent man-machine control interface for carrying out data exchange and processing on the electrical state, the working state and automatic and manual operation data of an electric appliance for the load through various sensors, a central MCU (Microprogrammed Control Unit), a keyboard and a liquid crystal screen, so that a user can achieve ideal and humanized electrical safety only through simple operations; moreover, an extremely strong intelligent energy saving function is also provided, therefore, the defects of high energy consumption, low intelligentization and low safety of the traditional switch socket panels in the market are overcome.
Owner:LUMI LEGEND ELECTRICAL
A magnetic coupling adjustable transmission
InactiveCN102299611ANo impactSimple structureDynamo-electric gearsMagnetic tension forceElectrical conductor
The invention relates to a speed changer structure and provides a magnetic force coupling adjustable transmission gear box. The transmission gear box is characterized in that: an input shaft (1) is fixedly connected with a 1# conductor disc (4) which is embedded with or attached with a 1# conductor ring (3). An air gap range extension pad (5) connects with a 2# conductor disc (9) and a 2# conductor ring (8). An output shaft (12) is fixedly connected with a magnetic force disc (10). On same circumference of the magnetic force disc (10), a plurality of rotatable rotation round blocks (6) are embedded, and two close permanent magnets (7) with different polarities are placed into each rotation round block (6). S / N polarities of all permanent magnets (7) are in central symmetry with a center of circle of the magnetic force disc (10). The magnetic force disc (10) of the output shaft (12) is positioned between the 1# conductor disc (4) and the 2# conductor disc (9) of the input shaft (1), and axial clearance is existed between the two conductor discs. The rotation round blocks (6) can be in synchronization rotation manually or automatically on the magnetic force disc (10). The conductor ring and the permanent magnet are in corresponding arrangement, torsional force of eddy-current coupling realizes power transmission, angles of the rotatable rotation round blocks are changed, transmission torque is changed, and a purpose of changing load rotating speed is realized.
Owner:SHANGHAI POTEVIO
Double-layer piston type tensile and compression tensionmeter
PendingCN110375893ASolve the problem that the clamping difficulty cannot be calibratedSmall diameterForce/torque/work measurement apparatus calibration/testingHydraulic/pneumatic force measurementData acquisitionEngineering
The invention discloses a double-layer piston type tensile and compression tensionmeter which is composed of a cylinder body, a piston, grease, a top cover and a fluid pressure sensor. The tensionmeter is characterized in that the cylinder is composed of a cylinder and a cylinder bottom member; the cylinder body is internally provided with an interval which forms cylinder cavities communicated with each other up and down; the T-shaped piston is of an upper-lower connecting structure; the cylinder is provided with a sealed oil duct so that upper and down annular pressure cavities are communicated with each other; a protruded portion and top cover of the lower piston are provided with central threaded holes respectively, and can be connected with upper pulling force rings in a threaded way via the central threaded holes, thus, serve as the tensionmeter; the fluid pressure sensor generates an electric signal and sends the electric signal to a data collector via a signal line, and a pulling force value is calculated; and after that a movable bearing cylinder is mounted in the central threaded hole of the top cover, the tensionmeter can be directly mounted between a pressure object anda pressed object to measure the pressure value.
Owner:SHANDONG UNIV OF SCI & TECH
Fast disassembly and assembly hanging rack for escape apparatus
The invention discloses a fast disassembly and assembly hanging rack for an escape apparatus. The hanging rack is a fixing device used for the escape apparatus during escape and comprises a supporting rod assembly and a suspension arm, wherein, the supporting rod assembly is formed by connecting a plurality sections of metal pipes, each metal pipe comprises an outer metal pipe, and an inner metal pipe is arranged between every two adjacent metal pipes and is used as a connecting piece; and the lower end of the outer metal pipe on the bottom end is connected with an adjusting screw rod, a suspension arm is arranged on the upper outer metal pipe, and the outer end of the suspension arm is provided with the escape apparatus. Although the hanging rack needs to be mounted, the invention adopts the principle of mechanics, and the hanging rack can be well assembled without consuming electricity and usingtools, thereby meeting the requirements of special occasions during fire disaster.
Owner:HANGZHOU LIKA RIGGING HARDWARE
Test piece-bar container system
InactiveCN1320357CFor special occasionsMicrobiological testing/measurementCatheterEngineeringMechanical engineering
A test strip container is disclosed. It is adapted to individually receive a plurality of test strips in a sealed fashion. A foil seal and / or mechanical seal may be provided that allows access / exposure to one test strip at a time. The container may also include a waste receptacle that can be closed-off for safe storage of spent test strips. The container may be used separately from a meter / lancing device which accepts and uses test strips or the container may itself be at least partially loaded into a meter for a more direct interface: The subject devices as well as methodology associated with their use is described. Kits including at least one subject device are also provided.
Owner:LIFESCAN INC
Wired headset with wireless communication function
ActiveCN104023293BMeet scheduleApplicable dispatchEarpiece/earphone attachmentsTransmissionComputer terminalHeadphones
The invention discloses a wired headset with a wireless communication function. The wired headset comprises a microphone, a microphone joint, a speaker, a speaker joint, a switch, a direct current power supply, a wireless data transmission unit and an antenna, wherein the switch is a multi-path control switch and used for converting two working states of the headset; under the first state, the headset is the same as a traditional wired headset in structure, wired voice transmission is formed by the microphone, the speaker and a computer, and the power supply of the wireless data transmission unit is cut off; under the second state, the wireless communication function of the headset is triggered, and meanwhile, the microphone of the headset is cut off, namely voice information cannot be transmitted to the computer and other equipment through the headset, but the voice information of a computer terminal and a remote wireless communication terminal can be heard through the speaker. The traditional wired headset is improved, so that the function of the traditional wired headset and the wireless data transmission function can be achieved by switching of the switch, the requirements of special occasions can be met, and the wired headset is especially applicable to dispatching of an approach tower.
Owner:CHENGDU YUANXIANG TECH
Single-pump double-output photon-generated terahertz radiation method and generation device thereof
The invention provides a single-pump double-output photon-generated terahertz radiation method and a generation device thereof in order to solve the problems of single radiation output position, complex equipment structure, high cost and low stability of the traditional photon-generated terahertz radiation technology. The invention is based on a THz wave generation system for two parametric down conversion processes and a THz wavelength detection system for one parametric down conversion. The generation system comprises a pump source, a pump THz wave parameter oscillator, a THz wave parametergenerator and a THz wavelength detection system, wherein signal light generated by the THz wave parameter oscillator provides difference frequency signal light for the THz wave parameter generator; the THz wave parameter oscillator and the THz wave parameter generator simultaneously output idler light THz waves with synchronous varying wavelength, and thus, the purpose of double THz wave outputs through single pump source is achieved. The THz wave parameter oscillator is subjected to feedback control through the THz wavelength detection system to achieve the purpose of controlling the THz wavelength of double outputs.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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