31results about How to "Convenient remote maintenance" patented technology

The invention provides a monitoring method of a photovoltaic power generation system and a system thereof. The method comprises the classified collection, classified storage, service provision and classification application. The classified collection comprises the real-time data collection, periodic data collection and the event data acquisition of equipment in a system. According to the data, the provided service comprises state management, equipment control, exclusive management, alarm recognition, task management and log management. The operated application comprises operation monitoring, remote control, alarm notification, video surveillance, analysis and diagnosis, comprehensive inquiry, statistical reporting and equipment management. According to the monitoring method and the system, the real-time monitoring and control of the main equipment in a solar photovoltaic power station is carried out, the operation of the power station is rapidly grasped through various styles of charts and data, the completely reliable and stable operation of a solar photovoltaic power generation system is ensured through a user-friendly interface, powerful analysis functions and perfect fault alarm, and remote off-site maintenance and multi-people cooperation are facilitated to realize secondary configuration development.

The invention relates to a multiprotocol intelligent gateway based on narrowband Internet of Things, and an implementation method thereof. The multiprotocol intelligent gateway based on narrowband Internet of Things includes a low power consumption unit and a high performance unit, wherein the low power consumption unit includes a low power consumption controller, a solar cell panel, a power management module for managing the power supply mode and the cell state information, an NB-IOT module for receiving the information from a cloud server, a LoRa module for acquiring the field LoRa node information in a local LPWAN, and a signal acquisition conditioning module; the low power consumption controller is communicated with the power management module, the NB-IOT module and the LoRa module bidirectionally; and the high performance unit includes a high performance controller, an RS485 interface module for connecting RS485 nodes, a man-machine interface module for connecting a computer serial port or a serial port liquid crystal screen, a GPS interface module, a data memory module and an ethernet interface module. The multiprotocol intelligent gateway based on narrowband Internet of Things utilizes the mode of coordination of the low power consumption unit and the high performance unit, thus effectively solving the coordination problem of low power consumption and high performance under a plurality of application scenes.

The invention relates to a high-data-rate transmission system of a scene-monitoring air traffic control radar. The system comprises an optical fiber transmission system and a kilomega network system wherein the optical fiber transmission system comprises a digital receiver, an optical amplifier, an optical acquiring card and a computer; the kilomega network system comprises a digital receiver, an exchanger and a computer; the optical fiber transmission system is used for transmitting an original echo data signal of the radar unidirectionally; the kilomega network system is used for directionally transmitting data signals excluding the original echo data signal of the radar. The system disclosed by the invention adopts a method that optical fibers are combined with a kilomega network and is also matched with an optical power divider having an amplification function, a four-way high-speed optical acquiring card and a computer having a high-speed storage function. Effective high-data-rate transmission is guaranteed, and the reliability of the system is improved as well due to an interaction mode of mutual duplication of the computers.

The invention discloses an intelligent multifunctional cable line fault online monitoring system which comprises multiple fault detectors, a centralized processor, a communication interchanger and a monitoring system server. 2.4 G wireless communication modules, single-chip microcomputer control units, current sensors and lamplight alarm modules are arranged in the fault detectors. The centralized processor is connected with the monitoring system server through the communication interchanger, receives sampling data of the fault detector A, the fault detector B and the fault detector C, conducts preliminary fault information calculation and sends the processed and analyzed data to the communication interchanger, and the communication interchanger decodes fault information and uploads the decoded fault information to the monitoring system server. According to the intelligent multifunctional cable line fault online monitoring system, short-circuit, grounding, overload, broken-line, power-off, three-phase unbalance and stealing fault conditions and the like on a line can be comprehensively monitored and fault judgments are made rapidly and accurately.

The invention discloses a remote fault diagnosis method for a digging machine, comprising the following steps: (1) carrying out relevant parameter initialization configuration on an OPC module and a TCP-COM conversion module; (2) connecting the TCP-COM conversion module and a digging machine to be detected through a GPRS wireless network and an Internet network; (3) sending an access request to the digging machine with built connection by a checking computer; (4) according to the access request, outputting corresponding diagnosis parameters by the digging machine to be detected; and (5) judging the acquired diagnosis parameters according to built-in checking program by the checking computer, and outputting the checking result. In the invention, the TCP-COM conversion module is connected to enable checking program connected with the OPC module to remotely access the designated digging machine, thus realizing remote fault diagnosis on the digging machine, improving maintenance efficiency and reducing maintenance cost.

The invention relates to a warehouse management and control method, system and device and a computer readable storage medium, and relates to the technical field of cold chains. The warehouse management and control method comprises a personnel safety management sub-method, and the personnel safety management sub-method comprises the steps: obtaining identity information of warehouse-in and warehouse-out personnel; judging whether the identity information of the warehouse-in and warehouse-out personnel conforms to preset authority identity information or not, if so, outputting release control information to a passage control device, and if not, executing an alarm action; receiving the identity information of a temporary visitor sent by an access reservation system, and updating the identityinformation into temporary permission identity information, wherein the access reservation system comprises a software program built in the mobile communication equipment; and judging whether the identity information of the warehouse-in and warehouse-out personnel conforms to the temporary authority identity information, and if so, outputting release control information to the passage control device. The warehouse management and control effect can be improved.

The invention relates to the technical field of computer remote maintenance, in particular to a linux operating system password updating method, a system and a device applied to remote maintenance anda storage medium. The password updating method comprises the following steps: obtaining a password corresponding to the highest permission of a current user; acquiring an equipment root password andupdating the root password by utilizing the acquired password corresponding to the highest authority of the current user and the equipment manufacturer strong password; and logging in the equipment byutilizing the updated root password, and carrying out maintenance operation. According to the linux operating system password updating method, the system and the device applied to remote maintenance,and the storage medium, an equipment manufacturer can conveniently and remotely maintain the equipment under the condition of user authorization (providing a user password), the equipment manufacturer does not have the highest access permission of the equipment, and user data and privacy security caused by root password leakage is prevented; and the root password is dynamically updated, so that the equipment safety is improved.

The invention discloses a remote monitoring system for garbage transfer stations, which comprises a wireless terminal, a cloud server, an OPC server, a mobile terminal and a remote programming computer. The mobile terminal is installed with a web platform. The cloud server has a standard HTTP access interface. The remote programming computer is installed with a configuration software, and has a remote virtual port. The wireless terminal sends the device operation data of the garbage transfer station to the cloud server for controlling or archiving. The cloud server publishes the processed datato the WEB network. The web platform can view and control the operation of the equipment of the garbage transfer station in real time via the Internet. The OPC server reads the processed data via theInternet. The configuration software monitors the equipment operation status of the garbage transfer station through the OPC server. The remote virtual port monitors and downloads the programs of thecontrol module in real time via the Internet. The system can remotely monitor the production status and can perform remote maintenance in case of equipment failure.

The invention discloses a firmware automatic upgrading method based on a storage medium and the storage medium. The firmware automatic upgrading method based on the storage medium comprises the following steps: connecting the storage medium with an electronic device to be upgraded; upgrading the firmware according to the firmware automatic upgrading method; a main MCU in an electronic device to beupgrade starts and automatically scan an upgrade file of an upgrade program in a storage medium and compares file names; if the file name is identical, the master MCU in the electronic equipment to be upgraded writes a single upgrade file in the storage medium or writes a plurality of upgrade files sequentially; when multiple upgrade files are written, the last upgrade of the main MCU is judged before upgrading; if upgrade is needed, the last upgrade file is directly written into the ROM or FLASH of the main MCU and then jumped to the application layer to finish upgrading; if no upgrade is required, the last upgrade file is directly jumped to the application layer to finish upgrading. The firmware automatic upgrading method is simple and convenient, and the user can upgrade the firmware by himself without professional personnel, which reduces the cost and is convenient for remote maintenance.

The invention relates to a remote programming method for a photoelectric monitoring system and a photoelectric monitoring system. The method comprises the steps that: a to-be-programmed executable file is obtained through a server, the to-be-programmed executable file is transmitted to a loading function to obtain analysis data, and then a programming instruction is transmitted; a servo controllerwaits for the programming instruction within a first preset time after being powered on; the server sends an erasing instruction to the servo controller and transmits analysis data to a data processing function to obtain a firmware package; the servo controller detects whether an erasing instruction is received or not; the server detects whether programming is normal or not and sends the firmwarepackage according to a data request; and the servo controller receives the firmware package, judges the type of the firmware package, writes Flash data into the firmware package, and detects a verification result of the Flash data. Through targeted design of transmission logic, multiple difficulties such as data dislocation and data loss caused by multi-stage transmission can be effectively overcome, and remote programming of maintenance and upgrading of a photoelectric monitoring turntable body is realized.

The invention discloses a fault indicator terminal device maintenance method based on an edge computing gateway. The fault indicator terminal device maintenance method comprises the following steps that a to-be-maintained terminal device of a fault indicator requests to be connected with the edge computing gateway; the gateway confirms the request and establishes connection; the gateway requests to connect a power distribution master station; the master station confirms the request and establishes connection; the gateway reports the information of the equipment to the master station, and the master station sends confirmation information to the gateway to finish reporting after receiving the information; the master station sends a maintenance request to the gateway according to the equipment information; the gateway forwards the maintenance request to the equipment; after maintenance is carried out according to the maintenance request, the equipment sends a maintenance request response to the gateway; and the gateway forwards the maintenance request response to the master station. According to the invention, virtual connection between the power distribution master station and the zero-sequence voltage starting type fault indicator terminal equipment is realized, so that the original data of the fault indicator terminal equipment to be maintained can be quickly obtained at the master station, the working state of the terminal equipment is changed, and convenient remote maintenance of the terminal equipment is realized.

The invention discloses a remote maintenance system for high and low voltage complete power distribution equipment, and belongs to the technical field of power distribution equipment. The remote maintenance system comprises an internal temperature sensing assembly, the output end of the internal temperature sensing assembly is electrically connected with the input end of a preset value comparison unit, and the output end of the preset value comparison unit is electrically connected with the input end of a processing unit. According to the remote maintenance system for the high-low voltage complete power distribution equipment, by arranging the preset value comparison unit, a data arrangement unit, an external temperature sensing assembly, the internal temperature sensing assembly, an air flow detection assembly, a moving assembly, a temperature detection unit and a comparison unit, whether temperature rise is caused by faults of ventilation equipment or not can be judged; and false alarm caused by external temperature rise can be avoided, multiple connection points and ventilation equipment can be detected at the same time, the reason of temperature rise can be accurately judged, and it is guaranteed that the subsequent maintenance process is accurately and rapidly carried out.