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76results about How to "Reduce technical ability requirements" patented technology

Implement method of multiple desktops of television

The invention provides an implement method of multiple desktops of a television. The implement method of the multiple desktops of the television comprises the steps of generating a main desktop when an input-signal source is detected, arranging a corresponding main desktop according to the signal source which is inputted, and then arranging a first level sub desktop icon which accords with the signal source on the main desktop, and displaying the first level sub desktop icon chosen by a user according to the chose of the first level sub desktop icon. According to the implement method of the multiple desktops of the television, multiple sub desktop icons are arranged on the main desktop, and corresponding next level sub desktop icons or application program icons are arranged on different sub desktops so that tedious steps in the process when the user selects the signal source and an application program. Further, a technical requirement is quite low, and service efficiency is improved.
Owner:LE SHI ZHI ZIN ELECTRONIC TECHNOLOGY (TIANJIN) LTD

Method for mixing soft tissue filling agent with anesthetic injecta before use

The invention discloses a method for mixing soft tissue filling agent with anesthetics injecta before use. The method comprises the following steps of: injecting anesthetics injecta into a prefilling injector filled with soft tissue filling agent by a microsyringe for multiple times, after the anesthetics injecta is injected, stewing for a short time, and then performing even mixing. According to the method, the pain caused by the cosmetic injection can be avoided, the method is high in operability, and is low in technical requirements on operating personnel, and the anesthetics injecta and the soft tissue filling agent can be evenly mixed with each other conveniently and quickly. Compared with the existing method for preparing the preparation by directly adding the anesthetics into hyaluronic acid gel, the method has the advantage of not needing the compatibility test, the stability test and even the clinic test of two drugs under the condition of high-temperature sterilization, so that the method is low in cost. Furthermore, after the mixing is carried out by the method, the soft tissue filling agent is free from the chemical reaction phenomena such as degradation, precipitation, turbidness and the like, so that the method is safe.
Owner:SHANDONG BLOOMAGE HYINC BIOPHARM CORP LTD

Code type data, apparatus and test method for automatically testing chip MDIO bus protocol

The invention discloses code type data, an apparatus and a test method for automatically testing a chip MDIO bus protocol. The code type data is 32-bit Bit data, each Bit data comprises three portions, each portion is corresponding to the level of MDC and MDIO and corresponding duration, and each portion employs a 32-bit data format. The apparatus and the test method, through the structural form of the data, can completely unify MDIO tests, automatically test a device PHY and a master device MAC, and find out problems of chips in design more rapidly and accurately.
Owner:CHIPSEA TECH SHENZHEN CO LTD

Exposed gear casting no-choke riser-head technique design

The invention provides the technological design for manufacturing an unobstructed shrink head for an exposed gear. The technological design includes the following processes of: metal allowance setting; positive quantity correction; sand core; shrink head; shrink head sleeve; chilling block stuccoing; casting system; wood model manufacture; molding and core making; case buckling; casting; heat insulating covering agent adding; heat insulation and cooling of the casting; clearing; heat treatment; burnishing; heat treatment for the second time; mechanical capacity performing; roughcast dispatching; rough machining; UT fault detection; secondary heat treatment; finish machining and tooth washing; and MT fault detection; surface polishing of the casting, and the like. The technological design has simple processes and good feeding effect, which completely overcomes the defect of the shrinkage porosity of the shrinkage cavity under the shrink head and the shrinkage porosity between the shrink heads; and by UT and MT fault detections, the qualification rate reaches 100 percent.
Owner:CITIC HEAVY INDUSTRIES CO LTD

Machine vision-based automatic verification system for multipath hand-held digital multimeters

The invention relates to a machine vision-based automatic verification system for multipath hand-held digital multimeters. According to the technical scheme of the invention, a hand-held digital multimeter is automatically controlled to select different function range gears; according to to-de-verified items, controlling a multifunctional calibration source to output standard signals (alternating-current voltage, direct-current voltage, alternating current, direct current, resistance value and the like) to a multipath to-de-verified digital multimeter, and conveying the measurement data of the panel of the to-de-verified digital multimeter to a computer based on the image collecting, processing and recognition function at the same time. In this way, verification data can be automatically recorded, and then a verification report and a verification certificate are generated. After the verification process, a database is established and then verification records and verification data are stored over the cloud through a cloud server. Meanwhile, a verification result is generated in the form of a two-dimensional code, so that the verification result can be conveniently recorded and searched. Meanwhile, the data sharing is facilitated. Compared with the manual verification mode of a conventional digital multimeter, the working efficiency is greatly improved. Moreover, errors caused by human factors are reduced and the comprehensive quality management is conveniently realized.
Owner:CHINA JILIANG UNIV

Wireless centralized emergency illumination control system

The invention discloses a wireless centralized emergency illumination control system, and mainly solves the problems in the prior art that the fire-fighting emergency light is controlled by a wired mode, so the wiring work is heavy and the cost is high; the wireless centralized emergency illumination control system comprises an emergency illumination controller unit, an intelligent gateway unit, and a fire-fighting emergency light unit; a power module is respectively arranged in each said unit; the emergency illumination controller unit and the fire-fighting emergency light unit are respectively provided with a wireless communication module; the emergency illumination controller unit and the fire-fighting emergency light unit are seamlessly connected in a wireless mode through Ethernet data conversion by the intelligent gateway unit, thus realizing centralized control and transferring data; the built-in power module can respectively power up each unit; each light fixture in the fire-fighting emergency light unit can respectively communicate with the emergency illumination controller unit through the intelligent gateway unit, and no interference is formed; the wireless centralized emergency illumination control system can save the wiring works, is easy to built, thus reducing the system construction cost, and improving emergency reliability.
Owner:北京中芯控科技有限公司

Steel-ball diameter detecting system

The invention discloses a steel-ball diameter detecting system. The steel-ball diameter detecting system is characterized by comprising a test table for fixedly placing a to-be-detected steel ball; the steel-ball diameter detecting system also comprises a machine vision system for detecting the diameter of a steel ball, the machine vision system comprises an industrial camera for imaging the to-be-detected steel ball on the test table, an image collecting card for collecting and storing imaging data, an industrial computer for processing the imaging data, calculating the measurement diameter of the to-be-detected steel ball and judging whether the steel ball is eligible or not and a light source. The steel-ball diameter detecting system has the advantages that the detection efficiency is high, the technical capacity requirements for detection persons are low, the detection result is stable, and the accuracy is high.
Owner:ANSHUN HONGYI SPECIAL STEEL BALL MFG

Method, device and system for processing database operation request

The invention discloses a method, a device and a system for processing a database operation request. The method includes the steps: receiving the database operation request; analyzing the operation request to judge whether the operation request contains keywords conforming to a predefined first rule or not; judging whether the operation request conforms to sub rules associated with the keywords in a predefined second rule or not when the operation request contains the keywords; transmitting the operation request to a database server when the operation request does not conform to the sub rules associated with the keywords.
Owner:BEIJING QIHOO TECH CO LTD +1

Large-scale road maintenance mechanical electrical system fault real-time monitoring diagnosis method

The invention discloses a large-scale road maintenance mechanical electrical system fault real-time monitoring diagnosis method. The method comprises steps: a database is established; normal operation data of a large-scale road maintenance mechanical electrical system device in an xth working mode is collected or recorded; normal operation data record of the xth device is stored in the database, data record is continued to be carried out until data in all the working modes is recorded; the recorded data is subjected to analysis and classification, and database establishment is completed; the device starts working and enters the nth working mode; operation data in the nth working mode is collected; the operation data in the nth working mode is stored in the database as the (x+1)th record; the nth record is called; contrastive analysis of the data of the nth record and the data of the (x+1)th record is carried out; fault information is displayed according to the contrast result and stored. Without analysis of a control logical table of a program, all the input and output fault signals of the large-scale road maintenance mechanical electrical system device can be found at the same time.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Wastewater treatment method for preventing and treating inhabitant point-surface source pollution in villages and towns

The invention discloses a wastewater treatment method for preventing and treating inhabitant point-surface source pollution in villages and towns. The method comprises the following steps: by taking an ecological anaerobic regulation and storage pond (biological pond) as pretreatment, specially designing a biological regulation and storage pond to serve as a front-end treating main body, precipitating suspended matters in the wastewater, hydrolyzing and degrading part of organic pollutants under anoxic and anaerobic conditions, and then entering a middle BIOLAK biochemical treatment system; deeply treating at the tail end through an efficiency biological precipitation pond, taking a vertical flow precipitation pond free of energy consumption as a treatment structure and enabling water quality to reach relative water quality standards stably. The wastewater treatment method is few in process devices, simple and convenient to maintain, simple in wastewater treatment schemes, low in operation cost and low in requirement on technical skills of maintainers; the treated wastewater can reach recycling standards such as an agricultural irrigation standard and the like; the set of treatment process is relatively adaptive to wastewater treatment and management modes of villages and towns and capable of effectively improving the utilization rate of the water and reducing water supply pressure and drought resisting pressure.
Owner:KUNMING LANXING ENVIRONMENTAL TECHN ENG

Direct current power transmission engineering valve group overhauling automation isolation realization method

The invention discloses a high voltage / extra-high voltage direct current power transmission engineering valve group overhauling automation isolation realization method. The method comprises the following steps of setting a valve group overhauling automation isolation starting button and acquiring a valve group overhauling signal, and transmitting the signal to an associated direct current control protection host; according to an overhauling-signal associated direct current control protection host, carrying out electrical isolation on an automatic operation overhauling valve group and an operation valve group; according to an overhauling-signal investment operation direct current control protection host, setting a collected overhauling valve group equipment state signal to be a set value; according to the overhauling-signal investment operation direct current control protection host, shielding the monitoring to the overhauling valve group equipment; according to the overhauling signal, forbidding a control protection host of the overhauling valve group to operate equipment used for electrical isolation; according to the overhauling signal, forbidding the investment operation direct current control protection host to operate the overhauling valve group equipment. Through one-key starting, safe isolation of the overhauling equipment is automatically completed and safe operation of direct current equipment is guaranteed.
Owner:NR ELECTRIC CO LTD +3

Irregular small-sized land area measuring method based on photoelectric measuring technology

The invention discloses an irregular small-sized land area measuring method based on a photoelectric measuring technology. The irregular small-sized land area measuring method is characterized by comprising the following steps: 1) determining a positioning base point in a land central area; 2) building laser beams which are vertical to one another on the basis of the positioning base point in order to partition a land into four areas; 3) erecting a measuring cable along an outer edge of each area, wherein photoelectric measuring instrument modules are distributed on the measuring cable at equal intervals; 4) acquiring distances between the photoelectric measuring instrument modules and the positioning base point, and transmitting the distances to a control terminal; 5) calculating a land graph and an area according to data acquired through the distances among photoelectric measuring instruments through the control terminal. By adopting the irregular small-sized land area measuring method based on the photoelectric measuring technology, distance information acquired by the photoelectric measuring instruments which are arranged along the edges of the land is utilized in conjunction with equal-interval arrangement of adjacent photoelectric measuring instruments, so that a coordinate graph of the land edges can be drawn, and high boundary annotation accuracy and high size control accuracy are realized; the method is easy and convenient to operate, and contributes to proceeding of outdoor operation.
Owner:NJU OPTOELECTRONICS ENG RES INST CO LTD

Remote meter-reading method and remote meter-reading system

ActiveCN104574900ASimplify the laying problemLow costTransmission systemsMaster stationComputer science
The invention discloses a remote meter-reading method which comprises the following steps: establishing communication connection between a master meter and a slave meter in a same wireless network coverage to obtain an address relationship mapping list; acquiring a master meter data frame by the master meter and receiving a slave meter data frame from the slave meter by virtue of a wireless network; and sending the master meter data frame, the slave meter data frame and the address relationship list to a master station server by the master meter through a long-distance communication network. The invention further discloses a remote meter-reading system which realizes the remote meter-reading method. According to the method disclosed by the invention, the slave meter data frame of the slave meter is received by the master meter and the master meter data frame and the slave meter data frame are sent to the master station server through the master meter, so that the line pavement problem of the existing centralized meter reading manner is simplified.
Owner:南昌市科陆智能电网科技有限公司

Marine water pump test device

The invention discloses a marine water pump test device. The marine water pump test device includes a motor, a torque meter, a transmission box, a first mounting seat, a sliding seat and a rigid waterinlet pipe; the first mounting seat is detachably connected with a mounting plate, and a first mounting hole corresponding to a water pump to be tested is formed in the mounting plate; the motor, thetorque meter and the transmission box are connected in a transmission mode in sequence, and an output gear of the transmission box is connected to a transmission gear of the water pump to be tested in a transmission mode; and the rigid water inlet pipe slides axially along a center hole of the sliding seat, and a first flange corresponding to a water inlet of the water pump to be tested and a second flange connected with a soft water inlet pipe are separately fixed to two ends of the rigid water inlet pipe. The marine water pump test device has good versatility, is suitable for the test of different types of marine pumps, is convenient to operate, improves test efficiency and reduces the cost.
Owner:CHONGQING YUEJIN MACHINERY

Assembling structure of microphone module, mainboard and housing, and terminal device

The embodiment of the invention relates to the field of communication devices, and discloses an assembling structure of a microphone module, a mainboard and a housing. A microphone module and a mainboard are fixed on the housing, the microphone module is provided with a flexible circuit board, an elastic connector is arranged between the flexible circuit board of the microphone module and the mainboard, and the elastic connector is connected with the flexible circuit board and the mainboard. The assembling structure of a microphone module, a mainboard and a housing is more convenient and rapidin assembling and not high in technical capacity when workers perform assembling, reduces the possibility of rework and reduces the assembling cost.
Owner:SHANGHAI YUDE COMM TECH

Intelligent nailing machine for umbrella

The invention relates to the technical field of umbrella production equipment. An intelligent nailing machine for an umbrella comprises a machine body, wherein a control panel is arranged on the machine body; a control system which is connected to each part and controls each part is arranged in the machine body; the machine body comprises a supply device, a supply motor, a first nail feeding device, a splicing device and a splicing gas cylinder; the supply device comprises a bottom plate and a cover body, and the first nail feeding device is arranged below the supply device; the first nail feeding device is used for feeding a copper nail to the second nail feeding device on the splicing device; and station holes are further formed in the splicing device to match with devices such as a stamping rod to work. The intelligent nailing machine for the umbrella can replace conventional manual operation, and is beneficial for solving the problems that labor intensity is great and production efficiency is low in the prior art.
Owner:泉州市方森机械工贸有限公司

Supporting device used for tunnel primary supporting structure and construction method thereof

InactiveCN106703854AAvoid Difficult Soldering SituationsReduce difficultyMine roof supportsSteel frameRebar
The invention discloses a supporting device used for a tunnel primary supporting structure and a construction method thereof. The supporting device used for the tunnel primary supporting structure comprises a shape steel frame, at least one feet-lock anchor pipe and a connecting plate, and the connecting plate is fitted with the shape steel frame; one end of each feet-lock anchor pipe penetrates through the connecting plate, and is fixed in a tunnel surrounding rock. Compared with the prior art, when the anchor pipe is driven, there is no need to make the anchor pipe tightly attach to a reversed steel bar on an arch centring, and thus the difficulty of constructing the anchor pipe is reduced; a bigger welding line constructing space is provided, and the operation is convenient; the action mechanism between the feet-lock anchor pipe and the shape steel arch centring is changed, so that the connection between the feet-lock anchor pipe and the shape steel arch centring is more stable and more reliable; moreover, the production process is simple and feasible, and the demand for the technical capacity of operating personnel is low.
Owner:CHINA RAILWAY ENG CONSULTING GRP CO LTD

Engine circuit control system

The invention discloses an engine circuit control system and relates to the technical field of engines. The engine circuit control system comprises a strong-magnetic power generator, one side of the strong-magnetic power generator is connected with a rectification voltage regulator through a wire, a quick plug is connected to one side of the rectification voltage regulator through a wire, and a current protector is connected to one end of the quick plug through a wire. The engine circuit control system has the advantages that the purposes that the degree of integration is high, the number of external parts and wiring lines is small, and an engine can be adopted in different fields are achieved, the research and development expense is reduced, and the development cycle is shortened; and onthe aspect of production, accessories are universal and can be machined and manufactured in batches without distinguishing the specific application fields, so that large-batch production is carried out advantageously, the requirement of application to different fields and instruments is met, the engine is like a combination of special engines for various fields, the production efficiency is improved, the requirement for the technical skills of production workers is reduced, and the production and development amortization expense is reduced.
Owner:芜湖长捷航空动力科技有限责任公司

Method for converting svg configuration flow chart into dynamic interactive webpage on line

The invention discloses a method for converting an svg configuration flow chart into a dynamic interactive webpage on line, and aims to solve the problem of converting the svg configuration flow chart edited on line and the svg configuration flow chart drawn off line through third-party software of an Internet of Things monitoring system into the dynamic interactive webpage on line. The invention comprises: a product graphic processing module, which is used for storing an uploaded product graph in a resource library, and converting and storing an expression configured by a user; an universal component processing module, which is used for storing the uploaded self-defined graph to a resource library and converting and storing an expression configured by the self-defined graph; a public processing module, which is used for storing public styles and scripts of the dynamic interactive webpage; and an svg configuration flow chart processing module, which converts the static configuration flow chart into a dynamic interactive webpage on line. The method has the beneficial effects that the method supports positioning maps, primitives and svg configuration flow diagrams directly drawn by third-party software, and supports complex and diversified svg configuration flow diagrams.
Owner:ZHEJIANG SUPCON INFORMATION TECH CO LTD

System and method for automatically collecting performance test data at WEB terminal

A system and method for automatically collecting performance test data at WEB end are disclosed. By designing the scene configuration file of the WEB side page to be tested, which can meet the performance test of WEB in different scenarios, at that same time, the invention can automatically initiate the performance t task of the WEB end and complete the automatic collection of the related performance t data indexes by parsing the test command generate by the scene configuration file, which ensures the comprehensiveness and adequacy of the performance problem solving, while lowering the technical competency requirements of the examiners, so that that efficiency is greatly improve, the invention solves the problems that the performance testing problem of the WEB end page is difficult to quickly locate and the positioning is insufficient, and the invention can effectively deal with the positioning of various performance problems of the WEB end page, guarantees the software quality, effectively saves the human cost and shortens the development cycle through the automated testing method, and the invention also solves the problems that the performance testing problem of the WEB end pageis difficult to locate quickly and insufficiently.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Novel coronavirus IgA/IgG antibody joint inspection immunochromatographic test strip

The invention provides a novel coronavirus IgA / IgG antibody joint inspection immunochromatographic test strip. The novel coronavirus IgA / IgG antibody joint inspection immunochromatographic test stripcomprises a colloidal gold adsorption pad and an antibody bearing film, the colloidal gold adsorption pad is coated with a colloidal gold labeled novel coronavirus recombinant antigen and a colloidalgold labeled mouse IgG; a detection line T1, a detection line T2 and a quality control line C are arranged on the antibody bearing membrane at intervals, and the detection line T1 is coated with an anti-human IgA antibody; and the detection line T2 is coated with an anti-human IgG antibody. The immunochromatographic test strip can simultaneously detect novel coronavirus IgA and IgG antibodies, hasthe advantages of short detection time of only 10 min, low cost, easy operation and low technical requirements, is convenient for on-site collection of samples (especially oral mucosa exudates), andis suitable for on-site, instant and rapid detection.
Owner:NANTONG EGENS BIOTECH

Method for manufacturing drum blank

InactiveCN102489666AReduce technical ability requirementsEnsure the size of easily deformed partsFoundry mouldsFoundry coresEngineeringHeat treated
The invention discloses a method for manufacturing a drum blank, belonging to the technical field of casting. The method comprises the following steps of: making a wood mould and a core box, namely making the wood mould according to a casting of which the bottom part and the middle part are provided with two layers of reinforcement bars; shaping and making a core after finishing making the wood mould; after assembling the core, painting a coating and closing the box; after closing the box, pouring timely; putting a heat preservation coverage agent; after pouring the casting, preserving the heat in a sand mould for 65 hours; clearing, namely shaking out and clearing sand on the surface of the casting and in a cavity away at the expiration of the heat preservation time of the casting; thermally treating, namely annealing the blank at a temperature of between 870 and 890 DEG C after the sand is cleared away, wherein the heat preservation time is 8-10h; and polishing, namely polishing the annealed blank to a designed size and painting. According to the method, the problem of deformation of the conventional drum blank is solved, and the quality of the drum blank is improved greatly.
Owner:JINAN HEAVY MACHINERY JOINT STOCK

Process method for controlling surface defect of flanged ridge R of tail lamp of side wall outer plate

InactiveCN112008010AGuaranteed forming qualitySolve the problem that the flanging ridge line R is not smoothShaping toolsVehicle componentsStructural engineeringWelding
The invention discloses a process method for controlling the surface defects of a flanged ridge line R of a tail lamp of a side wall outer plate for modifying a flanging mode of a third working procedure for processing a side wall outer plate tail lamp area to ensure that flanging inserts are in contact with materials simultaneously during flanging. Processing for the side wall outer plate rear lamp area comprises the following working procedures: firstly, drawing is conducted; secondly, trimming is conducted; thirdly, straight flanging and inclined flanging are conducted, specifically, flanging of a first-layer matching face of the product is completed through one-time flanging, it is guaranteed that flanging inserts make contact with materials at the same time during flanging, cutter connection in a flanging excessive-material area is avoided, and the possibility that the ridge line R is not smooth is theoretically eliminated; and fourthly, straight flanging or inclined flanging is conducted, specifically, flanging of a second-layer welding face of the product is completed, and the flanging ridge line R cannot be affected by the content of the procedure. According to the method,the forming quality of a workpiece in the production process can be guaranteed, the process risk caused by flanging and cutter connecting is reduced, the surface defects such as unsmooth R are overcome, and the round of later workpiece rectification and reforming can be effectively reduced.
Owner:CHINA FIRST AUTOMOBILE +1

Automatic yarn separating device for spandex filaments

The invention discloses an automatic yarn separating device for spandex filaments, and belongs to the technical field of spandex spinning. The automatic yarn dividing device includes a driving wheel,a driven wheel and a yarn separating roll, a rotating shaft of the driving wheel is fixed on a driving roller of yarns, the driving wheel is connected with the driven wheel by a transmission belt, andthe driven wheel is connected to the driving wheel through the transmission belt in a driving mode; and the yarn separating includes a rotating shaft and a yarn separating frame, and the yarn separating frame is of a regular polygonal tubular frame, the spouted filaments are wound on the separator roll, and the yarns are automatically dispersed under the action of the pulling force and elastic force and are separated according to the pulling order of spinneret orifices, so that the purpose of automatic yarn separating is achieved; and the yarns are no longer to be separated manually, the yarnseparation speed is faster, the efficiency is high, the personnel operation is less, the technical ability requirement on the separation personnel is lower, and more people can complete the operation.
Owner:CHANGLE HENGSHEN SYNTHETIC FIBER

Novel whole set structure of door plate, door sleeve and hinges

The invention discloses a novel whole set structure of a door plate, a door sleeve and hinges. The novel whole set structure comprises a right side frame, a left side frame, an upper side frame and a door plate body. The right side frame is mainly composed of a right outer frame body, a right frame plate and a right inner frame body. The left side frame is mainly composed of a left outer frame body, a left inner frame body and a left frame plate. The upper side frame is mainly composed of an upper outer frame body, an upper frame plate and an upper inner frame body. The door plate body is mainly composed of surrounding columns, side seal plates, a face plate, a core plate and end seal plates. Hinge assemblies are arranged at the upper and lower ends between the door plate body and the left side frame. According to the structure, the large number of labor costs is saved, the large amount of mounting time is saved, and excessive waste of materials is avoided; the strength of the door plate is increased, the cost is reduced, and mounting is better facilitated; the connecting mode of the door plate and the door frames is concealed, and overall attractiveness is achieved; and the structure utilizes a novel assembling mode, the labor intensity of workers and the technical requirement are reduced, the strength of the door structure is strengthened, and the production period is shortened.
Owner:蒋倩倩

Sand blasting process applied to environment-friendly box variable shell

The invention relates to the technical field of environment-friendly box variable shell surface processing technology, in particular to a sand blasting process applied to an environment-friendly box variable shell. The process mainly comprises the process steps of cleaning dust on a base layer wall; and spraying water to the base layer wall to enable the base layer wall to be sufficiently wetted,carrying out sand blasting construction and water spraying maintaining and the like. Through the process, the technical problem that in the prior art, during manual broom-finish, the large concave andconvex difference easily exists can be solved, and the construction face is more flat.
Owner:CHONGQING WANGBIAN ELECTRIC GRP CORP

Method for measuring stop distance of escalator

The invention relates to the technical field of escalator related inspection and detection. According to the technical scheme, a method for measuring the stop distance of an escalator comprises the following steps that (1) during descending of the escalator in a no-load state, the stepped descending speed and operation power needed by a system for overcoming operation resistance are measured; (2)the escalator descends in the no-load state and then is powered off; under the condition that a working brake does not act, the average deceleration in the stepped stop period is measured; (3) the escalator descends in the no-load mode and then is powered off; under the condition that the working brake acts, the average deceleration in the stepped stop period is measured; (4) the escalator descends quantitatively in a light-load state and then is powered off; under the condition that the working brake acts, the average deceleration in the stepped stop period is measured; and (5) all measured data is substituted into a stop distance conversion formula, and the stop distance of the escalator under the conditions of descending and full load can be obtained through calculation. The method doesnot require a lot of weights, thereby saving a lot of manpower and material resources.
Owner:ZHEJIANG PROVINCIAL SPECIAL EQUIP INSPECTION & RES INST

Arrangement method of cobweb-like sensor array and application of cobweb-like sensor array in concrete health monitoring

The invention discloses an arrangement method of a cobweb-like sensor array and application of the cobweb-like sensor array in concrete health monitoring. According to the invention, bionic knowledgeis applied, by referring to the functional principle of cobwebs, an ultrasonic sensor and an acoustic emission sensor are arranged according to a cobweb structure, and the cobweb-like sensor array isformed; the array arrangement method is flexible, variable, small in sensor use amount, large and comprehensive in monitoring area, accurate in positioning, small in errors, low in technical requirements for operators and convenient to implement, and through combination of the ultrasonic technology and the acoustic emission technology, detection of inherent defects on the surface of concrete can be achieved, and long-term monitoring of dynamic defects of the concrete can also be achieved.
Owner:UNIV OF JINAN
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