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629results about How to "Smooth going" patented technology

Multi-functional household garbage classified putting device

ActiveCN105775531AClassified collection works flexiblyClassification and collection work is simple and easyWaste collection and transferRefuse receptaclesDistribution systemMultiple function
The invention relates to a multi-functional household garbage classified putting device which comprises putting collection rooms, an inductive control system, a language broadcasting system, a camera shooting acquisition system, a classified collection transportation device, a classified material push unloading device, classified collection storage garbage cans, an overflow alarm and automatic box changing can adjusting system, an environment-friendly scorecard account management system, an accumulated score scanning and code printing system, a bulk object recycling device, an automatic fly eradication and deodorization device, a reserved door-to-door service system, a delivery deposit device, a lost object storing and finding device, an emergency help seeking and calling system, an advertisement circulating playing system, an electronic screen turn-on and turn-off control system, a free wireless network (Wifi), an automatic solar power generation and power distribution system, a microcomputer center control system, a back-stage management operating system, and other ancillary facilities and devices. According to the multi-functional household garbage classified putting device, the classified collection of household garbage is completely achieved, and a plurality of people-oriented services are provided for community residents.
Owner:李恩霞

Method for automatically determining rescue path of expressway network

The invention discloses a method for automatically determining a rescue path of an expressway network. The method comprises the following steps of: 1, after a traffic accident, acquiring information of an accident site, information of peripheral emergency rescue points and information of a road network; 2, searching a path which has the shortest distance from a peripheral rescue point to an accident point and serves as an initial backup rescue path from the expressway network according to the position of the accident point and the position of the peripheral rescue point; and 3, determining a traffic stream direction influenced by the traffic accident according to lane occupied positions and traffic stream directions of the occupied lanes on the accident site, and acquiring a road condition of the accident site, the number of jammed lanes of the accident site and the position of the accident point. By the method, a rescue path decision scheme in the expressway network of emergency resources can be generated automatically, so that the emergency resources can be transported to the accident site immediately, the emergency rescue efficiency can be improved, and casualties and property loss can be reduced.
Owner:SOUTHEAST UNIV

Waste wire stripping device

The invention discloses a waste wire stripping device, and belongs the technical field of recovery devices of waste materials. The waste wire stripping device comprises a paying-off mechanism, a paring mechanism, a tension automatic adjustment mechanism, a peeling mechanism and a wire core winding mechanism, wherein the paring mechanism is arranged on one side of the tension automatic adjustment mechanism, the peeling mechanism is located between the tension automatic adjustment mechanism and the wire core winding mechanism, the paring mechanism comprises a fixed plate, a paring knife fixing base supporting arm, a paring knife fixing base, a paring knife and a guiding wheel, the fixed plate is fixed with one side of the tension automatic adjustment mechanism, a wire passing hole is formed in the fixed plate, the paring knife fixing base supporting arm is fixed with one side of the fixed plate, a wire passing groove is formed in one side of the paring knife fixing base, two ends of the paring knife are respectively provided with a paring knife adjustment groove, the guiding wheel is arranged on a guiding wheel shaft, the guiding wheel shaft is fixed on a guiding wheel shaft base, and the guiding wheel shaft base is fixed on the paring knife fixing base supporting arm. The waste wire stripping device is ideal in stripping effect, free of damage to the guiding wheel caused by friction, long in service life and low in knife cost, and ensures a paring effect.
Owner:CHANGSHU HONGLIN WIRE & CABLE CO LTD

Method for connecting parallel connection walking robots and parallel connection walking robot thereof

The invention provides a method for connecting parallel connection walking robots and a parallel connection walking robot thereof. The parallel connection walking robot mainly comprises two parallel connection mechanisms, wherein each parallel connection mechanism also comprises an upper platform, a lower platform and three or more branch chains for connecting the upper platform with the lower platform. The parallel connection walking robot is characterized in that the two parallel connection mechanisms have specific freedom degree combinations, and the sum of freedom degrees is larger than or equal to 7; the upper platforms of the two parallel connection mechanisms are fixedly connected together, and the distance between projections of the hip joint polygonal centers of the two parallel connection mechanisms on the horizontal plane is smaller than or equal to 0.8 (Ra+Rb); and the lower platforms of the two mechanism respectively comprise two mutual independent foot arches. The robot can stably walk without adjusting the gravity center left and right in the advancing process, has the advantages of three-toe standing, high rigidity, high carrying capacity, flexible steering, high obstacle climbing capability, and the like, can be used for works, such as survey, rescue, exploration, and the like and can be also used for a manipulator.
Owner:韩方元

Ultrahigh-temperature thermal current simulation system used for spacecraft vacuum thermal test

InactiveCN104015942ASolve the technical problems of ultra-high temperature and extremely high heat flow simulationSolve temperature problemsCosmonautic condition simulationsThermal insulationHeater Rod
The invention discloses an ultrahigh-temperature thermal current simulation system used for a spacecraft vacuum thermal test in a vacuum container. The ultrahigh-temperature thermal current simulation system mainly comprises a semi-cylindrical graphite heating array, high-reflectivity high-temperature thermal insulation assembly units, a graphite heating array installing support, an ultrahigh temperature measuring unit and a power-regulator power control unit. A plurality of graphite heating rods are arranged and combined into the semi-cylindrical graphite heating array according to the requirements for the density and uniformity of thermal currents. Each graphite heating rod is composed of a graphite heating body and a graphite electrode, alternating-current electricity supply is adopted, and wiring electrode leads penetrate through a high-current cabin-penetrating electricity supply flange arranged on a container wall of the vacuum low-temperature environment simulation container and are electrically connected with the temperature measuring unit and the power-regulator power control unit respectively. Through the unique design of the graphite heating array, the high-reflectivity high-temperature thermal insulation assembly units and the ultrahigh temperature measuring unit, measurement of and control over temperatures over 1800 DEG C in the space environment simulation container are achieved, and the ultrahigh-temperature thermal current simulation system is also suitable for high-temperature and high-thermal-current environment simulation requirements in vacuum thermal tests of all types of spacecraft.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

Automatic generation method of emergency resource scheduling schemes in expressway network

The invention relates to an automatic generation method of emergency resource scheduling schemes in the expressway network. The method comprises the following steps: S1: information of site of accident, information of surrounding emergency reserve resources and road network information are collected when traffic accidents occur, wherein the information of site of accident comprises a location of an accident, demanded kinds and quantity of emergency resources, and the information of surrounding emergency reserve resources includes locations of all emergency resource reserve sites and kinds and quantity of emergency resources at each reserve site. The method has the advantages that after traffic accidents occur in the expressway network, a scheduling scheme of emergency resources can be automatically generated according to the distribution of emergency reserve resources by combining with the changes in factors of traffic flow of the expressway network, weather conditions and demand of emergency resources; and the method can ensure that the emergency resources can be transported to the site of accident timely and reliably, therefore, the efficiency of emergency disposal is improved, and the causalities and property loss are reduced.
Owner:SOUTHEAST UNIV

Software interface testing method and apparatus

The disclosed software interface testing method comprises: according to pre-set grammar format, describing the software interface to be tested, and dynamic generating the GUI for testing. Wherein, it just needs to modify description information and dynamic generate a GUI for testing when the target interface changes. This invention implements seamless transplantation, and improves testing tool expandability and portability fit to different testing request.
Owner:SNAPTRACK

Structural damage recognition method based on Bayesian model

The invention discloses a structural damage recognition method based on a Bayesian model. The method comprises the steps of firstly, using an empirical mode decomposition method to decompose obtainedsingle-point structure response through observation to obtain a time-varying intrinsic mode function to construct a likelihood function of the Bayesian model, using the likelihood function of the Bayesian model of the time-varying intrinsic function based on the single-point system structure response for an update method of the Bayesian model, and using a gradient Markov chain Monte Carlo algorithm in the design of the Bayesian model update method; direct sampling from model posterior probability distribution in which sampling is difficult to conduct is avoided, sampling is conducted in a series of simpler intermediate probability distribution which converges to the posterior probability distribution, through the method, an intermediate probability density function can be automatically selected, normalized parameters in a posterior probability distribution formula of model parameters are directly obtained, and the calculation efficiency is greatly improved.
Owner:GUANGZHOU INSTITUTE OF BUILDING SCIENCE CO LTD +1

Eccentric wheel capable of intelligently adjusting eccentricity

InactiveCN102642445AThe process is smoothReduce turbulenceWheelsElectric machineryAuto regulation
The invention discloses an eccentric wheel capable of intelligently adjusting eccentricity. The eccentric wheel comprises a shaft, a wheel hub, a wheel rim and a tire, wherein the wheel hub is provided with a driving gear I, a motor I, a supporting wheel, an inclination angle sensor, a deviation adjusting tank and a deviation adjusting device; the deviation adjusting device comprises two supports, a screw rod which is arranged between the supports, a guide rail, a screw rod nut, a driven gear which is coaxially and fixedly connected with the screw rod, a driving gear II, a motor II and a fixed frame thereof; the screw rod nut is fixedly connected with the shaft through a flange, and the inner side of the wheel rim is provided with an internal gear. The structure of the eccentric wheel also comprises a shaft driving device, a road condition detection device and a processor, wherein the output terminal of the processor is connected with the motor I, the motor II and the shaft driving device. The eccentric wheel can detect road conditions and automatically adjust the distance between the shaft and the wheel center according to the road conditions so as to enable the traveling process to be smoother, not only can reduce the vibration degree on roads with greater fluctuation, but also solves the difficulty that common wheels are not easy to climb steps, and can be applied on various vehicles.
Owner:侯九霄 +6

Hanging type tunnel disaster prevention, rescue and maintenance device

InactiveCN105327470AEnable hassle-free mobilitySmooth goingFire rescueEngineeringNozzle
The invention discloses a hanging type tunnel disaster prevention, rescue and maintenance device which comprises a guide rail and a platform, wherein the guide rail is mounted at the top of a tunnel, and the platform is hung under a wheel and advances in the tunnel along with the wheel. The hanging type tunnel disaster prevention, rescue and maintenance device has the advantages that the guide rail is mounted at the top of the tunnel, the platform used for rescue advances along the guide rail in a hanging manner and is positioned in the air in the tunnel, and therefore the platform realizes barrier-free movement; under the situation that a fire occurs in the tunnel, even if the tunnel is blocked, the platform can also quickly reach a position waiting for rescue, personal injury and property damage are avoided, and meanwhile traffic non-blocking type daily maintenance in the tunnel can also be carried out. In addition, the invention designs an umbrella type combined nozzle which is composed of auxiliary nozzles and a main nozzle. The auxiliary nozzles spray water to isolate a fire site from the surroundings, the size of the distribution circle of the auxiliary nozzles can be adjusted, the main nozzle at the center can selectively spray gas, foam water and fire fighting water according to the fire characteristics, and therefore high-efficiency fire fighting can be realized.
Owner:CHONGQING JIAOTONG UNIVERSITY

Loading device and method for testing tension strength of unidirectional fiber reinforced composite perpendicular to fiber direction

The invention discloses a loading device and method for testing the tension strength of a unidirectional fiber reinforced composite perpendicular to the fiber direction. The loading device comprises an upper clamping rod, a loading frame, a force transferring piece, a threaded connecting rod, a gap eliminating nut and a lower clamping rod. The force transferring piece comprises upper force transferring piece bodies and lower force transferring piece bodies, the upper force transferring piece bodies are pasted on the upper end of a unidirectional fiber reinforced composite test specimen, the lower force transferring piece bodies are pasted to the lower end of the unidirectional fiber reinforced composite test specimen, and fibers in the unidirectional fiber reinforced composite test specimen are perpendicular to the tension strength testing direction. The loading frame comprises an upper loading frame body and a lower loading frame body, the upper force transferring piece bodies are fixedly installed in the upper loading frame body, and the lower force transferring piece bodies are fixedly installed in the lower loading frame body. The upper clamping rod is fixedly connected with the upper loading frame body. The lower clamping rod is fixed to the lower loading frame body in a matched mode through the threaded connecting rod and the gap eliminating nut. The loading device has the advantages that damage, caused by clamping force of a tester, on the test specimen can be avoided, connecting gaps between clamp components can be eliminated, testing precision can be improved, and accurate alignment of the test specimen can be achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Tracked intelligent traveling-on-wall platform

A track intelligent traveling-on-wall platform is an innovative product of organic integration of electromechanical devices and technologies and reflects the development tendency of the mechanical-electrical integration technology. The platform mainly comprises a stepping motor driving system, a gear transmission system, a track traveling system, a track adjustment system and a vacuum absorption system, and integrates multidisciplinary knowledge and technologies of mechanical design, electronic circuits, sensing detection, program control, feedback regulation, image processing, wireless transmission and the like. The platform can be stably adsorbed and can perform stable forwarding and free turning on rough or smooth vertical surfaces such as concrete wall surfaces, ceramic exterior walls, glass curtain walls and metallic wall surfaces, and has functions of automatic obstacle avoidance, tracking, real-time monitoring, image feedback and the like. The platform has the advantages of high adsorption force, good load performance, stable traveling, convenient control and the like, and can be popularized and applied to military reconnaissance, fire detection, oil tank measurement, road deicing, industrial production, antarctic science investigation and the like after hitting, defending and grabbing and lifting devices and the like are carried on the platform.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Ejection-drive closed-loop backflow pulse-type transonic wind tunnel flow field control method

The invention discloses an ejection-drive closed-loop backflow pulse-type transonic wind tunnel flow field control method. An ejector passing by a diffusion segment is taken as the main drive of a wind tunnel flow field, and stable subsonic and transonic flow fields are built under the cooperation of a backflow regulating valve, an auxiliary air incoming pressure-regulating valve, an exhaust throttle and a gate finger. The method achieves the precise control of the total pressure of a stable segment under the joint action of an ejector pressure regulating valve and the auxiliary air incoming pressure-regulating valve, and can achieve the precise control of any given value M under the same total pressure in a subsonic and transonic speed range under the cooperation with a gate finger systembased on the above. According to the invention, a conventional blow-down pulse-type wind tunnel is upgraded to a sucking-type pulse-type wind tunnel, thereby facilitating the reduction of the impacton the dynamic flow field indexes of a wind tunnel from the high-pressure air flow pulsation of an incoming flow and the noise, facilitating the improvement of the dynamic quality of the flow field ofthe wind tunnel, and facilitating the improvement of the pulsation pressure, vibration and dynamic derivative test data.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT

Mach number control method of experimental section flow field of continuous transonic wind tunnel

The invention relates to a Mach number control method of an experimental section flow field of a continuous transonic wind tunnel. According to the given target Mach number, the rotation speed n of a compressor, the angle beta of a static blade and the position L of a choke finger, the initial states of the angle beta of the static blade and the position L of the choke finger keep unchangeable, and the rotation speed n of the compressor is adjusted to be a target value; after the rotation speed n of the compressor is in place, according to the set of a specific experiment, the angle beta of the static blade is adjusted to be a target value, and then the position L of the choke finger is adjusted to be a target value; when the rotation speed n of the compressor, the angle beta of the static blade and the position L of the choke finger are adjusted to be the target values, the Mach number, measured in real time, of the experimental section is compared with the target Mach number, and then the rotation speed of the compressor, the angle of the static blade and the position of the choke finger are adjusted according to the deviation value until the actual Mach number is close to the target Mach number. A thought is provided for controlling the Mach number of the experimental section flow field of the continuous transonic wind tunnel, and technical support is provided for ensuring smooth development of national advanced aircrafts.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Vein scanner

A portable vein viewer apparatus may be battery powered and hand-held to reveal patient vasculature information to aid in venipuncture processes. The apparatus comprises a first laser diode emitting infrared light, and a second laser diode emitting only visible wavelengths, wherein vasculature absorbs a portion of the infrared light causing reflection of a contrasted infrared image. A pair of silicon PIN photodiodes, responsive to the contrasted infrared image, causes transmission of a corresponding signal. The signal is processed through circuitry to amplify, sum, and filter the outputted signals, and with the use of an image processing algorithm, the contrasted image is projected onto the patient's skin surface using the second laser diode. Revealed information may comprise vein location, depth, diameter, and degree of certainty of vein locations. Projection of vein images may be a positive or a negative image. Venipuncture needles may be coated to provide visibility in projected images.
Owner:ACCUVEIN

High-maneuverability and high-adaptability ground unmanned platform

The invention discloses a high-maneuverability and high-adaptability ground unmanned platform. The high-maneuverability and high-adaptability ground unmanned platform is characterized in that the high-maneuverability and high-adaptability ground unmanned platform comprises a vehicle body platform and six sets of independent driving mechanisms. The six sets of independent driving mechanisms are symmetrically disposed on the two sides of the vehicle body platform; each independent driving mechanism comprises a suspension system, a crawler belt traveling mechanism and a half shaft; the crawler belt traveling mechanisms are connected with the vehicle body platform through the suspension systems; the crawler belt traveling mechanisms comprise crawler belt driving mechanisms and crawler belt rotating mechanisms; the crawler belt driving mechanisms comprise driving motors, central driving wheels, wing wheels and crawler belts; the crawler belts which achieve transmission through together engagement of the central driving wheels and the wing wheels on the two sides form a geometrical shape of a parallelogram on the vertical plane; and the relative positions of the wing wheels and the central driving wheels are controlled, so that different moving postures of the independent driving mechanisms are obtained. The high-maneuverability and high-adaptability ground unmanned platform is adaptable to complex terrains and has quite high capacity of obstacle crossing, trench crossing and climbing.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Diamond wire backwinding machine

InactiveCN105523437AGive full play to the superior guiding roleEasy accessFilament handlingEngineeringWire breakage
A diamond wire backwinding machine device comprises a wire pay-off machine, a guide wheel combination device, a tightening mechanism, a wire arranging and take-up mechanism and an electric cabinet. A pay-off wheel ejector pin of the pay-off machine can slide on a guide rail fixed to a machine frame. The guide wheel combination device comprises a plurality of guide wheels. A tightening wheel of the tightening mechanism can slide in a scale trough fixedly connected to a wire arrangement board under the tension action of a balancing weight and a diamond wire, and a photoelectric switch is arranged on the scale trough. A wire arranging unit base is fixed to the machine frame in the mode that a bolt penetrates through a long and round hole. A wire arranging unit is fixed to a floating base through a vertical positioning bolt. A take-up wheel ejector pin of a take-up machine can slide on the guide rail fixed to the machine frame. The diamond wire backwinding machine device is simple and efficient, the problems of wire breakage, wire twining and wire coiling during asynchronization of a take-up wheel and a pay-off wheel can be solved, and the wire backwinding machine has high adaptability to spools in different sizes.
Owner:QINGDAO UNIV OF SCI & TECH

Chained steel tube opening butting device and steel tube butting method

The invention discloses a chained tube opening butting device and a steel tube butting method. The device comprises chain pieces, stop blocks, high-strength bolts, adjusting blocks, press blocks, an adjusting plate and a screw jack, wherein the chain pieces are mutually connected by utilizing the high-strength bolts so as to form two parallel chains for winding steel tubes; a plurality of stop blocks attached to outer side faces of the steel tubes are fixedly connected between the chains; same tail ends of the two chains are both connected with the adjusting blocks with adjustable lengths; the press blocks which can be detachably installed are arranged at tail ends of the adjusting blocks; the other ends of the two chains are connected with the adjusting plate through which the adjusting blocks can pass; and the screw jack is arranged between the adjusting plate and a press plate so as to tension the chains. The invention is new breakthrough in the steel tube butting and provides important experience references so as to solve technical problems confusing people all the time, realize the high efficiency and high quality of the butting work and save auxiliary materials. By means of the device and the method which are disclosed by the invention, the steel tube butting is in a controllable state to ensure that the engineering can be smoothly carried out.
Owner:ZHEJIANG JINGGONG STEEL BUILDING GRP

Device for securing a soft ending of the opening movement of a drawer

Device for securing a soft ending of the opening movement of a drawer as the latter is drawn towards an outer limit stop (10), the drawer being mounted in a (not-shown) furniture body and capable of being pulled out from said body, and in which there may be one or more rails (1, 3) between the drawer and the furniture body. The device comprises a damper (6) filled with a fluid medium attached to the furniture body—or to a rail of the furniture body—and a piston with a piston rod (7) being reciprocable in said damper (6), the free end of the piston rod (7) being attached to a tilt-able rocker (9). Whenever the piston rod (7) close to its outermost position is moved in and out in the damper (6), the rocker can be moved on a guide portion (17)—mounted at the damper (6)—between a first end position (FIG. 2) close to the damper, in which a first pin (19) mounted at the back of the drawer may engage with the rocker (9), and a second end position (10) far from the damper (6), in which the piston rod (7) is in its outermost position. This device can work in an especially reliable way.
Owner:INTER IKEA SYST

Remote control automatic snow remover for high-voltage line

The invention discloses a remote control automatic snow remover for a high-voltage line. The snow remover comprises a shell, an advancement power motor, a first cloth belt pulley, upper line clamping pulleys, a lower line clamping pulley and a remote control receiver, wherein the first cloth belt pulley is driven by an output shaft of the advancement power motor to rotate; the upper line clamping pulleys are driven through a cloth belt by the cloth belt pulley to rotate; a T-shaped line clamping groove is formed in the center of a wheel arch of each upper line clamping pulley; the high-voltage line is clamped in the T-shaped line clamping grooves; the lower line clamping pulley is positioned at a lower position between the two upper line clamping pulleys, and is upwards pressed against the high-voltage line through a pressing spring; snow accumulated on the high-voltage line can be removed by a U-shaped snow removing shovel arranged at the front end of a pushrod of a motor under the reciprocating function of the pushrod of the reciprocating motor; and the remote control receiver is used for receiving a control signal from a ground operator, and the snow remover is operated according to the control signal. The snow can be removed from the high-voltage line with a diameter of less than or equal to 40mm, and the snow remover also has a function of dragging a rope and the line, and has the characteristics of small size, light weight, strong thrust, high efficiency and remote controllability.
Owner:宁波远志立方能源科技有限公司

State adjustment method for performance testing of multi-stage compressor with high total pressure ratio

ActiveCN108254206AAlleviate and improve sudden stallAlleviate and improve surge phenomenonStructural/machines measurementGas compressorMatch rule
The invention relates to a state adjustment method for performance testing of a multi-stage compressor with a high total pressure ratio. On the basis of combined and coordinated adjustment of four physical parameters including a compressor rotating speed, a compressor adjustable stationary guide blade angle, a tester intake throttle valve opening degree, and a tester exhaust throttle valve openingdegree, the test working state of the compressor is controlled. The working state of the compressor is controlled to be in a region near of blocking points of all equal-rotating-speed working lines to carry out speed increasing and decreasing. On the condition of multi-row stationary guide blade single adjustment, successive adjustment from back to front in a rotating speed increasing state and successive adjustment from front to back in a rotating speed decreasing state are carried out, so that the need of in-stage matching rule optimal adjustment of the compressor at a non-designing rotating speed is met. According to the invention, with reasonable utilization of the flow resistance effect of the tester intake throttle valve of the compressor, the power consumption of the compressor isreduced at the intake throttle valve; and because of combined matched adjustment with the tester exhaust throttle valve, real-time precise control of the working state of the compressor is realized.
Owner:AECC SICHUAN GAS TURBINE RES INST

Intelligent inspection robot and inspection method

The invention discloses an intelligent inspection robot and an inspection method. The intelligent inspection robot consists of a robot body, a mobile platform, a positioning navigation device, an automatic leveling device, a measurement instrument, an image collection device, a communication device, and a built-in server. According to the intelligent inspection robot, the robot performs inspectionaccording to a preset route through the positioning navigation device, staying at different preset detection positions for operation is performed, the self-leveling device provides a strictly horizontal basic platform for the measurement instrument, the robot guides the measurement instrument to measure a prism in the pipe tunnel, stores and calculates detection data, gives a settlement deformation measurement result, and can give a detection result of water leakage and other diseases, and the whole device can replace manual measurement, solves a problem of automatic detection of the pipe tunnel, and is convenient and fast to use and high in practicability.
Owner:北京福瑶科技有限公司

Combined tooth correcting device

The invention relates to a combined tooth correcting device and a tooth brace reinforcing device, which solve the problem of poor correcting mechanical property of a macromolecular orthodontic tooth brace and improve the curative effect of the macromolecular orthodontic tooth brace. The tooth brace reinforcing device comprises a lip reinforcing device, a tongue reinforcing device and a connector for connecting the lip reinforcing device and the tongue reinforcing device. The tooth brace reinforcing device and the macromolecular orthodontic tooth brace form the combined tooth correcting device together.
Owner:CHANGZHOU HI TECH DISTRICT MULTIPLE DIMENSION IND TECH INST

Method and device for judging rotating stall of aero-gas turbine engine

ActiveCN110735669ASolve the technical problem that the rotating stall cannot be judgedImprove stabilityGas turbine plantsSafety/regulatory devicesStall (engine)Gas compressor
The invention belongs to the technical field of aero-engine control, and particularly relates to a method and device for judging rotating stall of an aero-gas turbine engine. The method comprises thesteps that whether the engine is in a stopped state or not is obtained; if the engine is in a non-stopped state, the high-pressure conversion rotating speed of the engine is obtained; if the high-pressure conversion rotating speed is larger than a first set value, the outlet static pressure of a gas compressor is obtained, and the change rate of the outlet static pressure of the gas compressor iscalculated; if the change rate of the outlet static pressure of the gas compressor is larger than a second set value, whether the engine is in a restarted state or not is determined; if the engine isin a non-restarted state, the inlet static pressure of a fan is obtained; and the ratio of the outlet static pressure of the gas compressor to the inlet static pressure of the fan is calculated, and if the ratio is smaller than a third set value, that the engine is in a rotating stall state is determined. According to the method and device, the technical problem that the rotating stall cannot be judged in the working process of the engine is solved, the risk of surge is reduced, and the aerodynamic stability and reliability of the engine are improved.
Owner:AECC SHENYANG ENGINE RES INST

Calibration method and calibration device for vacuum ultraviolet imaging spectrometer

The invention provides a calibration method for a vacuum ultraviolet imaging spectrometer. The calibration method comprises the following steps of calibrating a wavelength measurement range, wavelength accuracy, spectrum response rate, uniformity and space angle resolution of the vacuum ultraviolet imaging spectrometer. The invention also provides a calibration device for the vacuum ultraviolet imaging spectrometer. The calibration device comprises a light source, a vacuum ultraviolet monochrome beam splitting system, a vacuum ultraviolet integrating sphere, a vacuum ultraviolet target and a vacuum ultraviolet collimating optical system which are arranged in an optical path in sequence, and further comprises a vacuum ultraviolet standard detector which is arranged on the output end of the vacuum ultraviolet collimating optical system together with the vacuum ultraviolet imaging spectrometer needing to be calibrated in a switchable manner, and a vacuum three-dimensional scanning mechanism which is used for implementing transformation of a space angle of the vacuum ultraviolet imaging spectrometer. By adopting the technical scheme of the invention, defects of the vacuum ultravioletimaging spectrometer in a design process can be timely discovered, and meanwhile, accuracy for data acquisition of the vacuum ultraviolet imaging spectrometer can be effectively guaranteed.
Owner:BEIJING ZHENXING METROLOGY & TEST INST

Identification code-containing device and device system and method for recycling identification code-containing device

The invention provides an identification code-containing device and device system and a method for recycling the identification code-containing device. The invention sets articles or services to be managed in parallel with at least one device with a unique identification code or a device with a unique identification code, and scans or receives the identification code with the intelligent terminalbefore and after, and combines the relevant information in the system. The server generates a unique transaction ID in the system, and uses the unique identification code and the intelligent terminal,and its management device and system to manage the material or service data, and realizes the goods, services and exchange resources without printing the waybill or bill. The transfer and managementprocess, and the identification code form or the identifier-containing device can be recycled to the management process including the identification, classification, merging, transfer, transmission and reception, evaluation, statistics, and settlement. The program is applicable to various scenarios of commodity distribution, catering and take-out, second-hand item transfer sharing, transmission maintenance and repair, garbage classification and clearing and receiving, product life cycle management, volunteer management, and precision poverty alleviation.
Owner:北京联博达科技有限公司

Optimal selection method for team members of virtual collaborative network

The invention provides an optimal selection method for the team members of a virtual collaborative network. Among all candidate members of a virtual network platform, a candidate member comprehensive behavior information model is constructed according to the personal abilities and the collaboration capabilities of the candidate persons. The candidate members are ranked, and then members conforming to project requirements are preferably selected. In this way, the uncertainty and the conflict of the virtual collaborative network are reduced, and the project collaboration efficiency is improved. The method comprises the steps of constructing a candidate member personal ability and collaboration capability index system, establishing a virtual cooperative network team member preferred model based on the comprehensive behaviors of members, scoring the members according to indexes based on the personal information and the project participation information of the candidate members, figuring out a solution for the model based on the multi-objective optimization algorithm and obtaining a Pareto optimal solution. The candidate members are ranked based on the comprehensive behavior information of the members, and then appropriate members are selected to form a virtual cooperative network team. According to the technical scheme of the invention, the comprehensive abilities of candidate members can be embodied, so that the complementary cooperation of team members in knowledge and capability can be realized. The conflict problem among members during the later collaboration process can be fundamentally avoided, and the team performance is improved. Therefore, the method has good application value.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Dynamic inspection method, server, terminal, storage medium and equipment

InactiveCN111311777ASmooth goingAvoid inspection resultsChecking time patrolsTransmissionPasswordServer
The invention discloses a dynamic inspection method, a server, a terminal, a storage medium and equipment. The method comprises the steps that an inspection task is established and sent to an inspection terminal, and the inspection task comprises inspection point information; authentication data and inspection data of an inspection point uploaded by an inspection terminal are received, and the authentication data comprises dynamic password data generated by the inspection point uploaded by the inspection terminal or inspector biological password data uploaded by the inspection point authentication device; and the authentication data is verified, and the inspection data is recorded. By adopting the technical scheme of the embodiment of the invention, inspection assistance and supervision can be effectively carried out.
Owner:BEIJING MININGLAMP SOFTWARE SYST CO LTD
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