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56results about How to "Facilitate post-analysis" patented technology

A Bridge Continuous Deformation Detection Device and Bridge Deflection Measurement Method

This invention discloses a bridge continuous deformation detection device and bridge deflection measurement method. The bridge continuous deformation detection device comprises a level module, distance measuring module, a dip-angle measurement module, a main control board, a mounting bracket, a stepper motor, a coupling and a rotating base. The distance measuring module and the rotating base constitute a rotating mechanism through the rotating axis, and is connected with the stepper motor through the coupling. The base is fixed on the upper surface of the mounting bracket. The dip-angle measuring module is mounted on the shell of the distance measuring module, which can rotate with it simultaneously. The base of the stepper motor, the main control board, and the level module are mounted on the upper surface of the mounting bracket. The main control board provides power supple and communication interface for the stepper motor, dip-angle measuring module and distancing measuring module. The bridge continuous deformation detection device, easy to operate, precise in detection and reliable in results, is suitable for long-term and continuous measurement of bridge deformation, and can further provide a prospect for on-line monitoring of deflection.
Owner:SHANXI PROVINCIAL RES INST OF COMM +1

Method and device for washing and seal detecting of railway vehicle braking lines

The invention relates to a method and a device for washing and seal detecting of railway vehicle braking lines. Air inlet lines and air outlet lines are communicated with each other at the inlet end and the outlet end of each braking line, an air inlet solenoid valve is arranged on each air inlet line, a plugging solenoid valve is connected with each air outlet line correspondingly, a pressure sensor used for detecting the air pressure in the line is arranged on each of the air outlet lines, and the air inlet solenoid valves, the plugging solenoid valves and the pressure sensors are respectively connected with a microcomputer. The microcomputer controls the opening and closing of the air inlet solenoid valves and air outlet solenoid valves according to the detected air pressure in the lines so as to complete the air inflation, exhausting and pressure maintaining process of the braking lines and merge line washing equipment and seal detecting equipment into a whole to complete the line washing and the seal detecting at one time; and the operation is simple, few equipment is required, and the cost is low; and the equipment operation is controlled by the microcomputer automatically, so that the labor intensity of workers is lowered, and the line washing and the quality as well as the precision of the sealing property detection can be ensured.
Owner:CRRC QINGDAO SIFANG CO LTD

Many-body dynamics simulation analysis method for airborne direct-drive electromechanical actuator system

The invention discloses a many-body dynamics simulation analysis method for an airborne direct-drive electromechanical actuator system, and the method gives consideration to nonlinear characteristics of a system. Moreover, the method is high in work efficiency, is good in stability, is simple and visual in operation, and facilitates the subsequent analysis. The employed technical scheme of the invention is that the method comprises the steps: 1), obtaining the characteristic parameters of a switch reluctance machine; 2), building an inductance and torque nonlinear analysis expression through a mathematic fitting nonlinear analysis method, substituting the expression into a mathematic expression of the switch reluctance machine, and building an integrated mathematic model; 3), building an integrated ball screw nonlinear mathematic model; 4), building a control surface mathematic model equivalent to an elastic load; 5), enabling the mathematic models of the switch reluctance machine, a ball screw and a control surface load to be coupled mutually, forming a many-body dynamics mathematic model, and building a simulation model for the direct-drive electromechanical actuator system according to the mathematic model; 6), simulating and analyzing an operation result of the many-body dynamics mathematic model under various work conditions.
Owner:XI AN JIAOTONG UNIV

Dual-network-based rail transit train-ground communication detection platform

The invention provides a dual-network-based rail transit train-ground communication detection platform comprising a to-be-detected communication based train control (CBTC) system, a trackside PC, n vehicle-mounted PCs, and a switch. The n is the number of to-be-detected zone trains. The trackside PC and the vehicle-mounted PCs are configured with dual-network cards; and one network card is connected to the to-be-detected CBTC system by a cable to form a train-ground communication network to transmit train-ground communication data and the other network card is connected to the switch by a cable to form a time synchronization network to realize time synchronization of the vehicle-mounted PCs and the trackside PC. With the platform, a CBTC system train-ground communication situation can be simulated indoors; and the communication performance of the CBTC system can be tested. A testing data statistic management system of the trackside PC can gather testing results of all vehicle-mounted PCs to the local unit; and an intelligent testing data retrieval system can carry out retrieving rapidly to obtain loss data packet information. Therefore, the CBTC system testing work efficiency can be improved; and a reference can be provided for testing researches and development of the CBTC system.
Owner:SHANGHAI UNIV

Processing method of traditional Chinese medicine production data

A processing method of traditional Chinese medicine production data disclosed by the present invention comprises the following steps of using a distributed control system (DCS) server to acquire the production equipment data signal possessing the production equipment data and transform the signal into a first digital signal and store in a DCS storage server; using a process analytical technology (PAT) server to acquire a production quality data signal possessing the production quality data and transform the signal into a second digital signal and store in a PAT storage server; using the DCS storage server and the PAT storage server to integrate the first digital signal and the second digital signal into the traditional Chinese medicine production data respectively in an open database connectivity manner; after the traditional Chinese medicine production data enters a traditional Chinese medicine production data storage server via a data channel, orderly using a storage buffer pool to carry out the high-speed storage, using a data copy management device to carry out the copy backup and using a plurality of sub-servers to carry out the classification storage, on the traditional Chinese medicine production data. The processing method of the present invention realizes the acquisition and storage of the traditional Chinese medicine production data, is convenient for the check, retrieval and later analysis of the traditional Chinese medicine production data, and is high in automation degree.
Owner:SUZHOU INDAL TECH RES INST OF ZHEJIANG UNIV +1

Distributed multi-terminal concurrent data acquisition and analysis system

The invention discloses a distributed multi-terminal concurrent data acquisition and analysis system. The system is formed by a measurement analysis system and data acquisition terminals, and a miniature distributed measurement and control system is formed. The task of each data acquisition terminal is to finish acquisition and storage of industrial on-site data; and the main task of the measurement analysis system is to be responsible for data analysis and management. Parameters of the plurality of data acquisition terminals are set through the measurement analysis system, and synchronous acquisition of the data is realized. The data acquisition terminals are externally connected high-capacity memories to enlarge storage capacity thereof. The system can realize synchronous acquisition and storage of on-site data of the same type of devices in different regions, carries out off-line data display, analysis and processing on the data in a mobile device in the measurement analysis system, and finds out and records the reasons of faults so as to provide reference for the subsequent analysis of the kind of device data. The system can realize synchronous acquisition, storage and analysis of multi-time and multi-occasion data, is convenient to carry and low in cost, and has good practical values and market prospect.
Owner:ANHUI NORMAL UNIV

WiFi upper arm type intelligent electronic sphygmomanometer and using method thereof

The invention discloses a WiFi upper arm type intelligent electronic sphygmomanometer. The WiFi upper arm type intelligent electronic sphygmomanometer comprises an electronic sphygmomanometer body, an air guide tube and an arm strap, wherein the electronic sphygmomanometer body comprises a shell; a display, a power key, a start / stop key, a storage key, a reading key, a first air guide nozzle and a loudspeaker are arranged on the outer surface of the shell; a functional circuit module is arranged inside the shell; a traction section, a hook surface, a loop surface, a metal ring and an indicating icon are arranged on the outer surface of the arm strap; an air bag is arranged inside the arm strap; a second air guide nozzle is arranged at the edge of the air bag; one end of the air guide tube is connected with the electronic sphygmomanometer body through the first air guide nozzle; and the other end of the air guide tube is connected with the arm strap through the second air guide nozzle. The invention further discloses a using method of the WiFi upper arm type intelligent electronic sphygmomanometer. The WiFi upper arm type intelligent electronic sphygmomanometer has the advantages of simplicity in operation, accurate measurement, automation and intelligence, and is quite suitable for patients suffering from disturbance of blood circulation and old people.
Owner:田曼丽

Apparatus for spraying inner wall of large pipe diameter

The invention discloses an apparatus for spraying an inner wall of a large pipe diameter. The apparatus comprises a holding platform, wherein the bottom of the holding platform is provided with a wheel I, a wheel II and a wheel III, the wheel I is arranged at one side of the bottom of the holding platform, the inner side of the wheel I is provided with a rotating shaft I, the top of the rotating shaft I is provided with a supporting rod I, the middle part of the supporting rod I is provided with a damping apparatus I, the top end of the supporting rod I is fixedly connected with the bottom ofa reversing apparatus arranged on the bottom of the holding platform, the middle part of the rotating shaft I is provided with a belt pulley I, the belt pulley I is connected with a belt pulley II ina driving manner by virtue of a belt, the belt pulley II is arranged at one end of a rotating shaft II, the other end of the rotating shaft II is arranged at one side of a motor I arranged at the bottom of the holding platform in a penetrating manner and extends into the motor I. The apparatus has the beneficial effects that the spraying efficiency is increased, the operation personnel can be prevented from working in a dangerous environment, and the operation safety is improved.
Owner:青岛北船管业有限责任公司

Control system and method for fixed mold table intelligent maintenance unit

The invention relates to the technical field of concrete prefabricated slab production and provides a control system and method for a fixed mold table intelligent maintenance unit. The control systemcomprises a maintenance unit, a PLC, a human-computer interaction interface and signal acquisition equipment. The maintenance unit comprises softened water equipment, an electromagnetic boiler, a circulating water pump, a heating pipe, a steam generator and an exhaust hose. According to the control system, heating and humidification are controlled in a separated manner, and the temperature, humidity and temperature rise and fall rates are precisely controlled; the time is strictly controlled, the phenomenon that the surface has cracks due to severe temperature change can be prevented, and theproduct quality is guaranteed; electric equipment is adopted, no harmful gas such as nitrogen gas and oxide gas is generated in the process, and quite high environmental protection performance is achieved; an almost closed heating pipe system is adopted, water consumption caused by heating is little, and only a certain amount of water is consumed in the product humidifying process; and the final condensate water is collected and can be utilized cyclically, and water resources can be effectively saved.
Owner:BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP

Method and device for washing and seal detecting of railway vehicle braking lines

The invention relates to a method and a device for washing and seal detecting of railway vehicle braking lines. Air inlet lines and air outlet lines are communicated with each other at the inlet end and the outlet end of each braking line, an air inlet solenoid valve is arranged on each air inlet line, a plugging solenoid valve is connected with each air outlet line correspondingly, a pressure sensor used for detecting the air pressure in the line is arranged on each of the air outlet lines, and the air inlet solenoid valves, the plugging solenoid valves and the pressure sensors are respectively connected with a microcomputer. The microcomputer controls the opening and closing of the air inlet solenoid valves and air outlet solenoid valves according to the detected air pressure in the lines so as to complete the air inflation, exhausting and pressure maintaining process of the braking lines and merge line washing equipment and seal detecting equipment into a whole to complete the line washing and the seal detecting at one time; and the operation is simple, few equipment is required, and the cost is low; and the equipment operation is controlled by the microcomputer automatically, so that the labor intensity of workers is lowered, and the line washing and the quality as well as the precision of the sealing property detection can be ensured.
Owner:CRRC QINGDAO SIFANG CO LTD

Device and method for measuring liquid density and viscosity on basis of quartz crystal microbalance

The invention discloses a device and method for measuring liquid density and viscosity on the basis of a quartz crystal microbalance. The device comprises a sine driving unit, a QCM (Quartz Crystal Monitor) sensing unit, a synchronous detection unit, an analog-digital converter, a digital signal processor and a computer, wherein the sine driving unit is used for generating a sine frequency scanning signal; the QCM sensing unit is driven by the sine frequency scanning signal and used for sensing and testing a liquid; the density and the viscosity of the liquid are converted into alternative-current voltage signals; the synchronous detection unit is used for converting alternative-current voltage signals output from the QCM sensing unit into direct-current voltage signals corresponding to conductive variation of a QCM; the analog-digital converter is used for performing analog-digital conversion on the direct-current voltage signals; the digital signal processor is used for extracting anelectric conductivity peak of a digital signal and a serial connection resonant frequency of the peak; the computer is used for calculating the output of the digital signal processor to obtain the density and the viscosity of the liquid. The device disclosed by the invention is small in size, high in integration degree, simple in measurement process and accurate in measurement result.
Owner:NANJING UNIV OF SCI & TECH

Intelligent goods shelf system based on RFID technology

The invention discloses an intelligent goods shelf system based on an RFID technology, which comprises a back plate, supporting rods are mounted at the end parts of the two sides of the back plate, a top plate is mounted at the top of the back plate, a display screen is mounted at the rear end position of the bottom of the top plate, a camera is mounted on the front end surface of the top plate, and a display screen is mounted at the rear end position of the top plate. According to the invention, one side of the commodity, which is pasted with the RFID tag, is attached to the stainless steel laminate, a signal can be shielded and cannot be sensed, the signal can be captured by the antenna after the commodity is taken by a user, the commodity can be regarded as being taken, corresponding information is sent to the display screen, corresponding content is displayed, a salesperson does not need to explain one by one, and the service life of the salesperson is prolonged. Meanwhile, the pushing spring can push the commodities forwards, timely replenishment of the commodities is facilitated, the camera recognizes the hand action of the customer taking the commodities and records corresponding taking data, the recorded data can analyze the condition that the commodities are taken by the customer, the taking data of the commodities can be provided for merchants, and later analysis and application work are facilitated.
Owner:杭州座头鲸科技有限公司
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