40results about How to "Realize remote fault diagnosis" patented technology

The invention provides a compressed sensing-based antifriction bearing fault diagnosis method based on a working condition disturbance condition. The antifriction bearing fault diagnosis method comprises signal compression, front fault diagnosis and a far-end signal reconstruction algorithm. The method utilizes a vibration signal of a bearing to perform fault diagnosis. Based on the compressed sensing theory, a measuring matrix is constructed and compression of vibration signals is realized so that the transmission bandwidth consumption of the vibration signals of the bearing is effectively reduced. The on-board fault diagnosis part utilizes the compression reference matrix, the matching pursuit algorithm to realize fault diagnosis under the working condition disturbance condition through the reconstruction matching method. Based on the on-board fault diagnosis, the far-end signal reconstruction can be realized through the reconstruction matching method so that fault diagnosis enhancement and performance assessment of the far end can be realized. The method system is complete and is suitable for the working condition disturbance condition, and is high in the accuracy of fault diagnosis and is high in engineering practicality.

The invention relates to a power distribution network distribution circuit fault location system, including a plurality of measurement communication units A, PC and GSM terminals C. The input ends of the signal capture module of each measurement and communication unit are respectively connected with the auxiliary terminals of the three phase of the distributing transformer to be measured; messages are transmitted between the GSM module of each measurement and communication unit and the GSM module of PC and GSM terminals in a wireless communication mode. The inventive fault location includes: establishing a main wiring scheme according to the power supply power tidal current direction and connected relation of the transformer and bus, and endowing geographical information to each transformer; establishing an associated matrix, condition matrix and fault point locating matrix, locating the position of the fault by the fault point locating matrix, thereby implementing power distribution network distribution circuit remote failure diagnosis and locating, rapidity judging the fault section, saving maintenance time and having an effective function to the safe stable operation of the electrical distribution network.

The invention discloses an automobile fault remote diagnosis system based on a cellphone APP. The system comprises cellphone APP software, a vehicle interface device, and a remote service center, the cellphone APP software sends a diagnosis request of a user to the remote service center via a mobile network, the remote service center sends a diagnosis command to the cellphone APP software according to the diagnosis request, the cellphone APP software forwards the diagnosis command to the vehicle interface device via a wireless network, and the vehicle interface device analyzes the diagnosis command, sets diagnosis protocol communication parameters with a to-be-diagnosed automobile electronic system, or sends a diagnosis request message to the to-be-diagnosed automobile electronic system via a vehicle network. According to the system, users can get the service of automobile fault diagnosis in a remote manner without increasing too much cost, the automobile fault diagnosis time is shortened, the manpower cost is reduced, and the automobile fault diagnosis efficiency is improved.

The invention discloses a valve remote fault diagnosis system based on the IOT (Internet of Things) technology. An intelligent valve terminal communicates with main control equipment through a zigbee network, and the main control equipment communicates with a remote monitoring platform through the Internet. The intelligent valve terminal comprises a sensor module, a data collection module for collecting a sensor signal, and a zigbee module for sending the signal. The main control equipment comprises a zigbee module for receiving a zigbee network signal, and a GPRS module for transmitting the signal. The remote monitoring platform comprises a database module, a real-time display module for the real-time display of the data, and an alarm module. The sensor module comprises a pressure transmitter, a valve rod position sensor, a temperature transmitter, a VOCs sensor, and a valve rod torque sensor. The system is low in cost, is high in practicality, and is high in efficiency.

The invention provides an air cooling refrigerator and a defrosting control method thereof. The air cooling refrigerator comprises an air flue, a cooler, an image shooting device, one or more frosting indicator cards and a defrosting device, wherein the air flue provides refrigeration air flow for a chamber of the refrigerator, and a cooling chamber where the cooler is arranged is arranged in the air flue; the cooler serves as the cold source of the refrigerator and carries out refrigeration on air flow passing the cooler; the image shooting device is arranged in the cooling chamber and shoots the cooler; the frosting indicator cards are arranged on the part, within the shooting range of the image shooting device, in the cooler, and the colors the frosting indicator cards obviously contrast with the color of the cooler and white; the defrosting device is attached to the cooler and is started when it is determined that the frosting indicator cards are covered with frost according to the images taken by the image shooting device to defrost the cooler. According to the technical scheme, defrosting is carried out in time before the heat transfer efficiency of the cooler is poorer, and influences of frosting on the heat exchange efficiency of the air cooling refrigerator are effectively avoided.

The invention provides a WEB-based aluminum cold-rolling mill shape control man-machine interface operation method; the man-machine workstation adopts a PC installed with IE browser to replace a touch screen or an integral workstation, a man-machine interface workstation is connected with an OPC XML-DA server through Internet, the OPCXML-DA server used as an OPC server is connected with a shape control system and a field intelligent instrument; meanwhile, the OPCXML-DA is used as a WEB server to upload the bottom data to the network; so the remote monitoring is realized through any PC connected with the network. The man-machine interface workstation exchanges data with the shape control system through the Ethernet and the OPCXML-DA server so that the hardware investment and maintenance cost are reduced, and the remote monitoring and fault diagnosis level of the system are also improved.

The invention provides a power generator unit bluetooth data acquisition system comprising a bluetooth data acquisition module, a controller module, a mobile phone bluetooth module, a cloud server module and a monitoring terminal. The bluetooth data acquisition module is connected with the controller module, an excitation regulator and an electronic speed regulator. The bluetooth data acquisition module acquires and saves operation data of a power generator unit through the controller module and acquires and saves excitation voltage and speed regulating driving voltage. The bluetooth data acquisition module is connected with the mobile phone bluetooth module through a bluetooth transmission mode. The mobile phone bluetooth module is connected with the cloud server module through the internet. The cloud server module is connected with the monitoring terminal through the internet. The invention also provides a power generator unit bluetooth data acquisition method. A communication pipeline is established between the power generator set and the cloud server to capture data during the fault period and reproduce a fault site so that remote fault diagnosis, potential fault prevention and maintenance prompting are realized, and the objective of healthy monitoring with fault prevention acting as the main part is achieved.

The invention provides a power supply equipment collection device and a remote fault diagnosis system, and relates to the technical field of power supply. The power supply equipment collection device provided by the invention comprises a plurality of information collection units, each information collection unit comprises a power optimizer, a DC power distribution cabinet, an inverter, a smart meter and an intelligent communication terminal, the intelligent communication terminal is connected with the power optimizer, the DC power distribution cabinet, the inverter and the smart meter to carry out data collection and communication transmission on the information of distributed power equipment and realize online monitoring, the power supply equipment collection device can be connected with multiple distributed power equipment, and small power supplies in a region can access one information collection unit, thereby greatly improving the collection efficiency of the distributed power equipment, and solving the problems of large consumption of manpower and material resources and low collection efficiency in the prior art.

The invention discloses a WeChat platform-based generator set remote control system which comprises at least one generator set, a microprocessor arranged on each generator set, a terminal server, a WeChat sever and a mobile terminal with WeChat software, wherein the microprocessor uploads the acquired operation parameter data to the terminal server; the terminal server calculates the data information and transmits the calculation result through the WeChat server to the WeChat software in the mobile terminal for display; and the mobile terminal also controls the operation state of the generator set through an execution mechanism according to the calculation result. The system has the following remarkable effects: the working state of the generator set is monitored in real time, and the generator set can be remotely start / stopped in emergency stop to guarantee production safety; and moreover, the system is practical and convenient and avoids a huge cost for developing special mobile terminal control software.

The invention relates to the technical field of ships, in particular to a remote technical support system based on a satellite network. The system comprises a ship command platform, a shore-end service platform, a ship local area network and an operation platform, wherein the shore-end service platform is in signal connection with a satellite communication module; the satellite communication module is in signal connection with a first data transmitting and receiving module in the ship command platform; the first data transmitting and receiving module is connected to a first processor; the first processor is connected to an information acquisition unit through the ship local area network; the first processor is further connected to a first data processing module; a second processor is arranged in the shore-end service platform; the second processor is connected to a second data transmitting and receiving module; and the second processor is connected to a second data processing module. According to the system, the remote fault diagnosis and related technical support of the shore-based experts on shipborne equipment during sailing of the ship can be realized, audio and video interaction of the ship command platform on the front-end operating personnel is realized; the remote technical support is realized.

A wireless detecting system used for mechanical processing relates to a wireless detecting system, and a wireless detecting system for mechanical processing is provided. The system is provided with a sensor node device, a drive node device, a network coordinator device and a monitoring computer. The sensor node device and the drive node device are arranged on a machine tool as a network node and form a wireless network. The sensor node device takes charge of collecting sensor signals, and the drive node device takes charge of sending processing control signals to a motion controller of the machine tool. As a network center, the network coordinator device takes charge of maintaining and managing normal communication of the wireless network and communicates with the monitoring computer at the computer end by serial ports; on one hand, the network coordinator device receives the data transmitted by the sensor nodes and sends the data to the monitoring computer by the series ports; on the other hand, the wireless coordinator device sends the control signals of the monitoring computer to the drive node device by the wireless network and transmits to the motion controller by the drive node device.

The invention provides a test and control system and method of a universal switching switch. The test and control system and method are applied to the universal switching switch. The universal switching switch is connected with a stepping motor which is used for providing a driving force for various actions for realizing switching between switching positions of the universal switching switch; and a plurality of position sensors corresponding to the switching positions are arranged in the universal switching switch. The test and control method of the universal switching switch includes the following steps that: sensing signals detected by the position sensors are received and are compared with preset signals, so that whether the universal switching switch is switched in placed is judged; the stepping motor is controlled to drive the universal switching switch to perform an action; when a switch position query module judges that the universal switching switch performs a preset action while does not act in place, preset operation is performed on the universal switching switch, so that a fault can be diagnosed and repaired; and when the fault is diagnosed and repaired successfully, the universal switching switch is controlled to re-execute the action when the fault occurs. With the test and control system and method of the universal switching switch of the invention adopted, remote control and remote fault diagnosis and repair on the universal switching switch can be realized.

The invention discloses a medical equipment remote fault diagnosis and maintenance system and a construction method thereof, and the method comprises the steps: medical equipment is accessed to gateway equipment, and a client connected with the gateway equipment is connected with the medical equipment through the gateway equipment; the client controls the medical equipment to obtain the pre-installation environment from the remote center and load the pre-installation environment; the client controls the medical equipment to configure parameters for opening a desktop synchronization function ina pre-installation environment, and acquires a desktop synchronization tool from the remote center for storage; and the client controls the medical equipment to install the desktop synchronization tool in the medical equipment host system environment, so that the medical equipment can synchronously share the desktop to the client through the remote center by means of the desktop synchronization tool, and remote fault diagnosis and maintenance of the client on the medical equipment are realized. According to the invention, the medical equipment remote fault diagnosis and maintenance system canbe constructed remotely, and the constructed medical equipment remote fault diagnosis and maintenance system can be used for remote fault diagnosis.

The invention discloses a temperature field virtual reality real-time reconstruction method for turbine service performance monitoring. Performing finite element analysis on the steam turbine to obtain a finite element analysis result of the simulation temperature field, selecting a sampling point set of the steam turbine, and calculating a semi-variance between every two points on the simulationtemperature field; randomly selecting a plurality of sampling points on the simulation temperature field, reconstructing the spatial distribution of the temperature field, taking the finally obtainedreconstructed temperature field as a result, and presenting the change condition of the temperature field during the operation of the steam turbine in real time. By reconstructing the real-time finiteelement temperature field of the steam turbine, the temperature change condition of each structure in the running state of the steam turbine can be presented in real time in a visual mode in a virtual reality environment, and the performance monitoring of the running state of the steam turbine is realized.

The invention discloses a Beidou satellite-based high-voltage switch cabinet remote monitoring method. The Beidou satellite-based high-voltage switch cabinet remote monitoring method includes a software update step and a transmission verification step; monitoring software operates in each high-voltage switch cabinet node; an operating control component, a write-in control component and a node network component are arranged in the monitoring software; and in the software update step, newly-generated new-version monitoring software is transmitted to a specified high-voltage switch cabinet node through a satellite remote star network, and the newly-generated new-version monitoring software received by the high-voltage switch cabinet node is written into the operation control component through the write-in control component. With the Beidou satellite-based high-voltage switch cabinet remote monitoring method of the invention adopted, monitoring access points can be flexibly updated; a user can upload updated software wherever and whenever in a satellite coverage area through the satellite remote star network; new service items are provided, and the service items can be allocated according to demands; remote fault diagnosis and online debugging can be realized; traditional manual operation is replaced, so that work efficiency can be improved; and equipment maintenance cost and maintenance cost can be reduced.

The invention discloses a mechanical product remote fault diagnosis and elimination system based on augmented reality. The system comprises a fault information base, a fault information acquisition module, a fault matching module, a remote assistance module and a deep learning module. The fault information base deployment is used for storing a fault removal scheme and a fault target and pushing the fault removal scheme after fault matching succeeds; the fault information acquisition module is used for acquiring fault information; the fault matching module is used for performing fault matching; the remote assistance module is used for performing remote fault diagnosis and remote fault removal operation by non-field technicians; and the deep learning module is used for matching learning. The invention provides the mechanical product remote fault diagnosis and elimination system based on augmented reality. A fault information base is constructed, fault information is collected through AR glasses or an intelligent mobile terminal, the fault information and target data in the fault information base are compared and analyzed, and fault elimination information or maintenance animation with certain similarity is pushed after successful matching.

The invention discloses a smart grid satellite network transmission system. The smart grid satellite network transmission system comprises a substation data acquisition system, a communication transmission system and a monitoring center system. The data acquisition system is arranged on a high-voltage switch cabinet of a substation. The communication transmission system is located in the China National Space Administration. The monitoring center system is located in a managing user of the high-voltage switch cabinet. The data acquisition system comprises a network node controller, a wide range measuring system and monitoring software. The monitoring software comprises a write-in control component, an operational control component and a node network component. The monitoring software runs in high-voltage switch cabinet nodes of substations. The communication transmission system comprises a Big Dipper satellite, a China National Space Administration satellite communication IISP platform and an application data center. According to the smart grid satellite network transmission system, the monitoring access points can be flexibly updated, the user can upload updated software at any time and at any places in the area covered with the satellite through a remote satellite star network, the working efficiency is improved, and the maintaining cost is reduced.

The invention discloses a bus automatic switching system and method suitable for remote fault diagnosis. The system comprises an application terminal, a middle component, a configuration database anda diagnosis box. The application terminal is connected to the middle component and is used for selecting a new ECU model to be diagnosed. The middle component is used to acquire communication configuration corresponding to the ECU model from the configuration database according to the ECU model. The middle component is also used for connecting a CAN channel based on the communication configurationand sending a connection instruction to the diagnosis box so as to access a CAN data channel. The diagnosis box is used for feeding back a connection state to the middle component according to the connection instruction so that the middle component can feed back the connection state to the application terminal. In the invention, through switching among buses, the remote fault diagnosis of variousmodels can be realized.

The invention discloses an automobile remote diagnosis system and method and a computer readable storage medium, and belongs to the technical field of automobiles. The automobile remote diagnosis system comprises a cloud service platform. The cloud service platform comprises a diagnosis database and a diagnosis data processing module. The diagnosis database is used for maintaining a generation rule of a diagnosis instruction and an analysis rule of diagnosis data; the diagnostic data processing module is used for receiving a data file from an automobile and analyzing the data file according to an analysis rule of the diagnostic data; the vehicle machine system comprises a cloud service module and a diagnosis client; the cloud service module is used for carrying out vehicle cloud interaction and vehicle machine interaction; the diagnosis client is used for issuing a diagnosis instruction to each controller of the automobile; and when the in-vehicle infotainment system is awakened, calling the cloud service module to contact the cloud service platform so as to start a diagnosis process. According to the invention, the vehicle fault is timely transmitted to the cloud, and remote fault diagnosis is realized.

The invention discloses a cabinet internal remote monitoring diagnosis method and system, a cabinet device and a storage medium. The cabinet internal remote monitoring diagnosis method comprises the following steps of: carrying out the collection of multi-source data in a cabinet, and dividing the multi-source data into a plurality of data groups according to the unit time; respectively preprocessing the data sets and generating corresponding standard data sets, and then establishing a standard data set; selecting a standard data set in the standard data set to synthesize a cabinet monitoring graph, and synthesizing the cabinet monitoring graph in different time periods into a cabinet dynamic display graph to perform cabinet visual model dynamic display; and carrying out authority fragmentation on the cabinet dynamic display graph according to functions, so that remote fault diagnosis can be performed on different functions. Therefore, the problem of incapability of performing targeted diagnosis on internal faults of the cabinet remotely in the prior art can be solved, and remote diagnosis on specific faults of a single device can be realized.

This patent application provides a measurement and control system and method for a universal transfer switch, which is applied to a universal transfer switch. The universal transfer switch is connected with a stepping motor that provides driving force for various actions for switching between switching positions, and the The universal transfer switch is provided with a plurality of position sensors corresponding to each of the conversion positions; this patent application receives the sensing signals detected by each of the position sensors and compares them with the preset signals respectively to determine whether the universal transfer switch is converted In place; control the stepper motor to drive the universal switch to perform the action; when the switch position query module judges that the universal switch performs a predetermined action but is not in place, perform a preset operation on the universal switch to diagnose Fault and repair; when the fault is successfully repaired, control the universal transfer switch to re-execute the action when the fault occurs, realize remote control of the universal transfer switch and realize remote fault diagnosis and repair.

The invention discloses a remote fault diagnosis method based on bus automatic switching and free configuration protocol. The method comprises: calling a corresponding middleware according to the CANbus mode of the current diagnosis by an application terminal; calling an acquisition interface of vehicle basic information by the middleware to obtain the corresponding instruction from a configuration library, and sending the instruction to a diagnostic box through a TCP communication manner; transmitting the instruction to an ECU by the diagnostic box, so that the ECU returns a CANECU data packet and instruction execution status to the diagnostic box after performing the corresponding diagnostic processing according to the instruction; transmitting the CANECU data packet and the instructionexecution status to the middleware by the diagnostic box; parsing the CANECU data packet through the configuration parsing rule of the configuration library by the middleware, and returning the parsing data and the instruction execution status to the application terminal, therefore, the application terminal displays the parsing data and the instruction execution status. The method can realize remote fault diagnosis for various vehicle models by switching buses.

The invention discloses a smart grid satellite network transmission system. The smart grid satellite network transmission system comprises a substation data acquisition system, a communication transmission system and a monitoring center system. The data acquisition system is arranged on a high-voltage switch cabinet of a substation. The communication transmission system is located in the China National Space Administration. The monitoring center system is located in a managing user of the high-voltage switch cabinet. The data acquisition system comprises a network node controller, a wide range measuring system and monitoring software. The monitoring software comprises a write-in control component, an operational control component and a node network component. The monitoring software runs in high-voltage switch cabinet nodes of substations. The communication transmission system comprises a Big Dipper satellite, a China National Space Administration satellite communication IISP platform and an application data center. According to the smart grid satellite network transmission system, the monitoring access points can be flexibly updated, the user can upload updated software at any time and at any places in the area covered with the satellite through a remote satellite star network, the working efficiency is improved, and the maintaining cost is reduced.

The invention discloses a remote monitoring and diagnosis method and system inside a cabinet, a cabinet device and a storage medium. The remote monitoring and diagnosis method inside the cabinet includes the following steps: collecting multi-source data inside the cabinet, and collecting the multi-source data by unit The time is divided into multiple data groups; after preprocessing the data groups and generating corresponding standard data groups, a standard data set is established; selecting the standard data groups in the standard data set to synthesize a cabinet monitoring map; The cabinet monitoring diagram is synthesized into a dynamic display diagram of the cabinet to dynamically display the visual model of the cabinet; the dynamic display diagram of the cabinet is divided into permissions according to functions, so as to perform remote fault diagnosis on different functions, and solve the problem that the cabinet cannot be remotely monitored in the prior art Targeted diagnosis of internal faults, to achieve remote diagnosis of specific faults of a single device.

The invention discloses a remote fault diagnosis method based on bus automatic switching and free configuration protocol. The method comprises: calling a corresponding middleware according to the CANbus mode of the current diagnosis by an application terminal; calling an acquisition interface of vehicle basic information by the middleware to obtain the corresponding instruction from a configuration library, and sending the instruction to a diagnostic box through a TCP communication manner; transmitting the instruction to an ECU by the diagnostic box, so that the ECU returns a CANECU data packet and instruction execution status to the diagnostic box after performing the corresponding diagnostic processing according to the instruction; transmitting the CANECU data packet and the instructionexecution status to the middleware by the diagnostic box; parsing the CANECU data packet through the configuration parsing rule of the configuration library by the middleware, and returning the parsing data and the instruction execution status to the application terminal, therefore, the application terminal displays the parsing data and the instruction execution status. The method can realize remote fault diagnosis for various vehicle models by switching buses.

The invention discloses a valve remote fault diagnosis system based on the IOT (Internet of Things) technology. An intelligent valve terminal communicates with main control equipment through a zigbee network, and the main control equipment communicates with a remote monitoring platform through the Internet. The intelligent valve terminal comprises a sensor module, a data collection module for collecting a sensor signal, and a zigbee module for sending the signal. The main control equipment comprises a zigbee module for receiving a zigbee network signal, and a GPRS module for transmitting the signal. The remote monitoring platform comprises a database module, a real-time display module for the real-time display of the data, and an alarm module. The sensor module comprises a pressure transmitter, a valve rod position sensor, a temperature transmitter, a VOCs sensor, and a valve rod torque sensor. The system is low in cost, is high in practicality, and is high in efficiency.

The invention provides a compressed sensing-based antifriction bearing fault diagnosis method based on a working condition disturbance condition. The antifriction bearing fault diagnosis method comprises signal compression, front fault diagnosis and a far-end signal reconstruction algorithm. The method utilizes a vibration signal of a bearing to perform fault diagnosis. Based on the compressed sensing theory, a measuring matrix is constructed and compression of vibration signals is realized so that the transmission bandwidth consumption of the vibration signals of the bearing is effectively reduced. The on-board fault diagnosis part utilizes the compression reference matrix, the matching pursuit algorithm to realize fault diagnosis under the working condition disturbance condition through the reconstruction matching method. Based on the on-board fault diagnosis, the far-end signal reconstruction can be realized through the reconstruction matching method so that fault diagnosis enhancement and performance assessment of the far end can be realized. The method system is complete and is suitable for the working condition disturbance condition, and is high in the accuracy of fault diagnosis and is high in engineering practicality.

The invention discloses an ultrafiltration equipment waterway simulation data analysis device and method. The ultrafiltration equipment waterway simulation data analysis device comprises a digital simulation system, which comprises a detection unit and an analysis module connected with the detection unit, wherein a monitoring unit can be used for monitoring water pressure of water inlets and water outlets of a water storage tank, a water filtering tank and a heating tank, when the monitored water pressure is different from the water pressure when the water storage tank, the water filtering tank and the heating tank work normally, it can be judged that the water storage tank, the water filtering tank and the heating tank break down, and the monitoring unit can use a water pressure sensor and other devices. According to the invention, the device judges whether all the components in the ultrafiltration equipment assembly break down or not by observing data detected by the monitoring unit, so that the purposes of digital simulation and fault judgment are achieved, remote fault judgment can be achieved, and maintenance personnel do not need to arrive at the site for judgment.