37results about How to "Realize joint monitoring" patented technology

The invention aims to provide a method for forecasting gas turbine health. The method is characterized in that: a rotating speed sensor, an exhaust temperature sensor, a staring motor speed sensor, an oil temperature sensor and a fuel pressure sensor are installed on a gas turbine, and all the sensors are connected to a field bus interface; a signal processing module collects running state parameters of the gas turbine through the field bus interface, and conducts signal preprocessing and characteristic quantity extraction to the collected signal, then stores a sample set in a database module; a health analysis module calls the sample set in the database module, chooses a health analysis method to perform data mining, and carries out a real-time or non-real-time forecasting to the health level of the gas turbine; a forecasted result of the health level is displayed and an alarm is given by a human machine interface, and the forecasted result is stored to the database module. With the invention, combined monitoring of multiple gas turbines can be realized, and the reliability of the turbine is enhanced through a modular system scheme. With a high success rate in terms of health analysis result, the method of the invention can be widely applied in the fields of fault diagnosis and health management of gas turbines.

The invention discloses a wireless-network-based water gate security monitoring system, belonging to the field of security monitoring of water transport engineering. The wireless-network-based water gate security monitoring system comprises a data acquisition system, a data transmission system and a remote monitoring scheduling system, wherein the data acquisition system comprises a parameter acquisition node, a video acquisition node, a route node and a coordinator node, and the remote monitoring scheduling system comprises a database server system and a monitoring scheduling center. According to the invention, a wireless acquisition technology and a wireless transmission technology are adopted to carry out acquisition, transmission, processing, display, control and other operation on environment parameters, structural parameters and video data of a water gate, and a gate is opened and closed according to an operating instruction. According to the invention, a wireless sensor network technology, a third generation wireless communication technology and a video monitoring technology are applied to water gate management, all the operations from information acquisition, transmission and storage to information processing are carried out in digital information image forms, and thus, the efficiency and the security in water gate management are greatly increased.

The invention provides an automatic baking monitoring system and method which are used for monitoring a food baking process in an oven. The system mainly comprises a central control computer and an acquisition control subsystem which is in data communication with the central control computer, wherein the acquisition control subsystem comprises a baking heater, ventilation adjustment equipment, a humidity and temperature sensor, a proportion integration differentiation (PID) controller and an electronic nose. By using the automatic baking monitoring system and the automatic baking monitoring method, actual temperature, actual humidity and actual gas components in the food baking process in the oven can be automatically acquired in real time through circulating judgment and control; a baking stage of foods can be accurately judged in real time according to the actual gas components in the oven; the temperature and the humidity in the oven are correspondingly adjusted to be equal to a baking temperature set value and a baking humidity set value which correspond to the baking stage of the foods; adaptive adjustment monitoring of the food baking process is realized; and the accuracy and the baking quality of a baking process are improved.

The invention provides a monitoring method for mechanical deformation of a mine filling body. The monitoring method comprises the following steps of (1) fixing an anchor rod at the bottom position of an air return shaft corresponding to a filling body, and fixing a channel steel with a hole at the wellhead position of the air return shaft which is positioned at the top part of the filling body; (2) taking one steel wire rope, forming a fixing end by fixing one end of the steel wire rope on the anchor rod, and forming a movable end by penetrating the steel wire rope out from the small hole on the channel steel; (3) enabling the steel wire rope to be always in a tightening state, and measuring initial distance L between the movable end of the steel wire rope and the small hole of the channel steel; and (4) measuring distance l between the movable end of the steel wire rope and the small hole of the channel steel at regular time intervals, and obtaining deformation l' of the filling body in a vertical direction by utilizing a formula: l' = L - l. The monitoring method provided by the invention is simple and accurate, existing engineering or waste engineering such as the air return shaft is fully utilized, the work amount for monitoring is less, the monitoring cost is low, and the influence on underground associated engineering is small.

The present invention discloses a busbar voltage detecting system and a fault diagnosis method based on a wireless sensor network (WSN). A plurality of busbar voltage detecting points are arranged in turn on each busbar trunk line; each MCU control circuit box is internally provided with a busbar A phase power picking device, a busbar zero phase power picking device and an MCU integrated circuit; each busbar voltage detecting point sends data to the least busbar voltage detecting point on the corresponding busbar trunk line through a corresponding node wireless module, and the last busbar voltage detecting points send all the data to an upper computer for processing through a terminal node device; and the upper computer calculates a voltage difference and a resistance changing value between two adjacent busbar voltage detecting points, compares the resistance changing value with a preset resistance changing value, and determines if faults exist within a busbar region between the two adjacent busbar voltage detecting points. The number of busbar voltage detecting devices can be effectively reduced, diagnosis of busbar fault regions is realized combining the WSN technology.

The invention provides a method for inspecting the cigarette rolling quality stability in cigarette processing. The method is characterized in that a multivariate control chart tool in a statistical process control method is used for inspecting the integral rolling quality stability of a plurality of physical index expressions of the cigarettes. According to the method, the multivariate statistical process control theory is used, firstly, the controlled historical data estimation is carried out to obtain mu0 and Sigma0, then, x<2> and the absolute value of S statistical quantity for control are calculated according to the field collection data, and the deviation condition of the multi-index average value vector from the standard value and the sample in-group dispersing degree in the cigarette processing process can be controlled, so that the combined monitoring of a plurality of quality feature variables is realized, and the integral quality stability of the cigarette rolling integral process can be reasonably evaluated. The method has the important significance on improving the cigarette physical quality and improving the stability of the cigarette rolling process.

The invention relates to a safe pointing and safe distance real-time monitoring system which comprises a laser pointing distance measuring instrument, a ground host computer and a data transmission system, wherein the data transmission system is used for the communication between the laser pointing distance measuring instrument and the ground host computer. The laser pointing distance measuring instrument comprises a laser transmitter, a laser receiver, a laser pointing module, a laser distance measuring module, a central control unit, a communication module, a time control module and a power supply module, wherein the power supply module is used for supplying power for all the parts. The system is also provided with a video camera and a wireless control device. The invention can realize the automatic pointing in a tunneling direction and the automatic real-time monitoring of a tunneling distance, not only can save the manpower, but also can improve the production efficiency, and can realize the combined monitoring of data and images, the wireless control of a working spot and the remote control working of ground managers.

The invention discloses a multifunctional automatic simulation test device for top corrosion of a moisture pipeline. The multifunctional automatic simulation test device is composed of a test loop system and a control and display system, wherein the test loop system comprises a gas cylinder, a deposition tank, an electric heater, a fixed pipe, flexible composite pipes, a test pipe, electrodes, a temperature probe, a pressure probe and the like; the test pipe is a rectangular square pipe; a gas injection opening and a plurality of reference electrode mounting holes are reserved in the bottom surface of the test pipe; a liquid injection opening, an exhausting opening, a plurality of sample mounting holes, a plurality of working electrode mounting holes and a probe mounting hole are reservedin the top surface of the test pipe; an auxiliary electrode mounting hole is reserved in the side face of the test pipe; and the two ends of the test pipe are each connected with one flexible composite pipe through a flange. The multifunctional automatic simulation test device disclosed by the invention has the beneficial effects that the device can reflect a condition of the top corrosion of themoisture pipeline paved at 0-90 degrees in an oil gas development process, and can also evaluate the efficiency of a corrosion inhibitor under a working condition and the corrosion reduction effect ofthe corrosion inhibitor on a local damaged part of a coating.

The invention relates to a surface and soil water storage capacity integrated measuring instrument. The surface and soil water storage capacity integrated measuring instrument comprises a soil water storage capacity measuring instrument and a water pipe, wherein the soil water storage capacity measuring instrument is located under the ground surface; the water pipe comprises an upper pipe located on the ground surface and a lower pipe located under the ground surface; a communicating pipe I capable of being communicated with the outside is arranged at the junction of the upper pipe and the lower pipe; the upper pipe, the lower pipe and the communicating pipe I are mutually communicated; a piston capable of sliding along the pipe wall is arranged in the lower pipe of the water pipe; a traction motor pushes the piston to move up and down in the lower pipe and is in signal connection with the soil water storage capacity measuring instrument. The surface and soil water storage capacity integrated measuring instrument realizes integrated monitoring of the surface and oil water storage capacities, and boundary change processes such as evaporation and permeation.

The invention discloses a state monitoring and defect simulation system for the electrical insulation performance of an oil-immersed bushing, and the system comprises an oil pressure monitoring modulewhich is used for monitoring the pressure of insulating oil in the oil-immersed bushing; a vibration characteristic monitoring module which is used for monitoring the vibration frequency and amplitude of the oil-immersed sleeve in the operation process; a discharge characteristic monitoring module which is used for judging whether the oil-immersed bushing is in a normal operation state or not bytesting the magnitude of partial discharge pulse current at the end part of the oil-immersed bushing and a discharge spectrum; a discharge phenomenon observation module which is used for observing theposition of a discharge point in the oil-immersed bushing and recording a discharge process image and animation at the discharge moment; and a dielectric response test module which is used for evaluating the insulation condition of the insulation material or the insulation equipment by changing the frequency of the alternating current excitation, taking complex capacitance and dielectric loss asfunctions of the frequency and using the change condition of the functions. According to the invention, comprehensive monitoring and analysis of electrical and mechanical property characteristic parameters can be carried out on defects.

The invention provides a multi-source information fusion visualization method and system. The method comprises the following steps: acquiring sensor data; fusing the sensor data with the three-dimensional geographic information; performing linkage switching on the fused three-dimensional geographic information and the two-dimensional plane map; and carrying out reality simulation and video fusion on the three-dimensional map roaming scene. According to the multi-source information fusion visualization method and system provided by the invention, a function of positioning in a three-dimensional map while video fusion in a large scene is realized on the basis of a three-dimensional geographic information system, a monitoring video can be played to a window, multi-window joint monitoring is realized, a specific small scene can be switched to roam, and fine monitoring is realized; therefore, the video analysis and artificial intelligence application value is improved.

The invention provides a health management method of an engineering machinery hydraulic system. The health management method comprises the steps of: (1) receiving three parameters of an oil inlet flow, an oil inlet pressure and a piston rod displacement of a hydraulic cylinder in real time, then storing the parameters in a system database; (2), filtering and conditioning the acquired oil inlet flow, the acquired oil inlet pressure and the piston rod displacement, extracting actual data characteristic values, storing the actual data characteristic values in the system database; 3, reading the actual data characteristic values, calculating a relative reliability RR of the engineering machinery hydraulic system, evaluating the state of the engineering machinery hydraulic system according to the value of RR; and 4, giving optimal system parameters of the RR according to an evaluation result of the state of the engineering machinery hydraulic system. The health management method has the advantages that according to real-time parameters in the operation process of the engineering machinery hydraulic system, the RR of the system is calculated, the health state of the system is judged, improvement measures are made aiming at potential failure problems, and state regulation is carried out before failures occur, so that time and cost for failure maintenance are reduced.

The invention discloses a combined monitoring method for shield tunneling machine cutterhead damage. The combined monitoring method comprises the following steps that 1, a monitoring device is arranged; 2, detection data of an operation sensor of a shield tunneling machine are obtained; 3, the shield tunneling machine cutterhead damage is judged according to an acceleration sensor; 4, the shield tunneling machine cutterhead damage is judged according to an acoustic emission sensor; 5, the shield tunneling machine cutterhead damage is judged according to a temperature sensor; and 6, the shieldtunneling machine cutterhead damage is judged according to a hydraulic sensor. The combined monitoring method is simple in step, reasonable in design and convenient to implement, combined monitoring of the shield tunneling machine cutterhead damage is achieved through multiple sensors, and the accuracy of shield tunneling machine cutterhead damage judgment is improved.

The invention discloses a non-interference early warning system and a method for sleep apnea . The system comprises a control center, an infrared temperature measurement module, a micro-pressure sensing module, an alarm module and a user terminal. The infrared temperature measurement module is used for collecting thermal imaging images. The micro-pressure sensing module is used for collecting pressure data. The alarm module is used for transmitting apnea alarm signals. The user terminal is used for displaying real-time pressure data, real-time thermal imaging images and alarm information. The control center receives the thermal imaging images and the pressure data, performs target tracking on thermal imaging image streams, classifies and records sleeping postures, and judges whether respiratory interference actions occur or not. The control center judges and analyzes pressure values detected by the micro-pressure sensing module, determines whether respiration of a user is normal or not according to pressure change value between two breaths, judges whether sleeping apnea occurs or not by combining respiratory interference actions, and outputs an alarm signal. According to the invention, non-interference measurement and multi-dimensional combined monitoring can be realized.

The invention discloses a short-wave transmitting intelligent monitoring system based on completeness of a transmitting function. The system comprises a transmitting radio frequency monitoring terminal, an electric power monitoring terminal, a broadband monitoring antenna and a comprehensive monitoring platform; the transmitting radio frequency monitoring terminal is arranged to acquire transmitting power, frequency, modulation degree and standing-wave ratio data of a short-wave transmitter radio frequency transmission cable and an antenna feeder system; the electric power monitoring terminalis arranged to acquire alternating voltage and current data of the short-wave transmitter; the broadband monitoring antenna module is arranged to measure a space electromagnetic signal radiated by a transmitting antenna of the short-wave transmitter and calculate actual output power data of the transmitting antenna; and the comprehensive monitoring platform performs analysis, calculation and evaluation according to the received acquired data of the transmitting radio frequency monitoring terminal, the electric power monitoring terminal and the broadband monitoring antenna module. Therefore, the working state of the transmitting antenna of the short-wave transmitting system, the radio frequency loss attenuation condition between the short-wave transmitter and the transmitting antenna, the matching state of the transmitting antenna and the radiation state of the transmitting antenna field are monitored in real time.

The invention provides a firewall monitoring method, a firewall monitoring device and a network management platform. A firewall comprises a primary firewall and a standby firewall. The method comprises the steps of collecting performance indexes of a target firewall, wherein the target firewall is a firewall in a main use status among the primary firewall and the standby firewall; according to the performance indexes, judging whether firewall warning conditions are met at the moment, and acquiring a judgment result; if the judgment result shows that the firewall warning conditions are met at the moment, performing firewall warning. In the mode of mutual backup of the primary firewall and the standby firewall, the firewall device is monitored effectively.

The invention, which relates to the bridge engineering field, discloses a mobile bridge wind temperature combined automatic monitoring system comprising a bridge monitoring subsystem, a cloud server and a client. According to the invention, joint monitoring of bridge surface meteorological parameters and bridge structure temperature is realized, data analysis and processing are carried out on the cloud server, and visual data interaction is carried out through the client; a bridge surface meteorological parameter monitoring module adopts a movable design, so that the position of a sensor for meteorological data monitoring can be adjusted at any time to monitor the whole bridge surface in a time division manner; due to the structural design of a height-adjustable lower cantilever, the sensor for meteorological data monitoring can track the height of a boundary layer on the surface of a bridge, and the position of the sensor can be adjusted in real time in a self-adaptive mode; a bridge structure temperature monitoring module adopts a distributed patch type temperature sensor design, and can detect the temperature of the bridge structure in all directions; and the client not only can perform data interaction, but also can store data for a long time.

The invention discloses a whole machine room unified monitoring platform and method suitable for machine room chip-level heat pipe liquid cooling. Monitoring objects comprise IT cabinet server equipment, precision air conditioning equipment, power supply and distribution equipment, a temperature and humidity in a machine room, machine room and cabinet liquid leakage conditions, liquid cooling power equipment and liquid cooling pipeline water supply and return data. A monitoring unit comprises an IT server group communication module, an air conditioner communication module, a power distribution cabinet electric quantity acquisition module, an indoor temperature and humidity sensor, a water leakage acquisition module and a motor frequency converter acquisition control module. A signal conversion unit is connected with a plurality of monitoring sub-modules. A control unit outputs alarm information according to the data of the plurality of sub-monitoring modules, and controls the operation of the liquid cooling power equipment according to the liquid cooling pipeline water supply and return data. A display unit is included. According to the invention, through unified monitoring of a plurality of devices of the machine room under a chip-level heat pipe liquid cooling architecture, interaction of a plurality of monitoring systems is avoided, and the operation safety of the liquid cooling machine room is improved.

The invention discloses a gate pump remote monitoring system which comprises in-situ end data acquisition equipment, an in-situ end monitoring controller, a data transmission device, a remote server,a remote database and the like. The automatic control and monitoring capacity of gates and station groups is improved, the reliability of gate and station group control is improved, water conservancyproject management is more scientific, multi-gate-pump combined monitoring, combined water volume dispatching and allocation, real-time remote monitoring and control are achieved, personnel on duty isreduced, and the working efficiency is improved; the data transmission efficiency, safety and control accuracy are improved, and the working reliability and stability are enhanced.