The invention discloses a remote collaborative diagnosis system of a numerical-control machine tool on the basis of the internet of things The remote collaborative diagnosis system comprises a source data acquisition device and is provided with GSM (global system for mobile communications), GPRS (general packet radio service) and 3G (the 3rd generation telecommunication) data relay nodes, a system data center, a remote collaborative fault diagnosis expert system and result feedback The remote collaborative diagnosis system has the advantages that accidents and faults in a different field can be remotely diagnosed, maintenance schemes for fault equipment can be timely formulated according to real-time state signals of the running equipment, fault information and selectable field sound-image signals, and maintenance staff in a different place can directly and remotely adjust and modify data for the fault equipment by the aid of relevant equipment until the faults are removed When necessary, maintenance engineers in the field can be guided for maintenance or the maintenance engineers in the field and the maintenance staff in the different place can jointly complete a maintenance task by the aid of field multimedia sound-image communication, and accordingly the remote collaborative diagnosis system plays an extremely important role in removing non-electrical faults or faults with signals which cannot be measured by electric sensors

Remote collaborative diagnosis system of numerical-control machine tool on basis of internet of things

The invention discloses a long-distance intelligent monitoring system of grinding machines. The long-distance intelligent monitoring system comprises wireless network adapters which are established based on a GPRS (General Packet Radio Service) wireless network and is matched with each grinding machine, and a client user which is established based on an Internet cloud server, wherein each wireless network adapter is connected with a communication opening of a programmable logic controller (PLC) of the corresponding grinding machine; a PC (Personal Computer) machine, a tablet personal computer or a cell phone of the client user is connected with the Internet; the PC machine, the tablet personal computer or the cell phone is provided with long-distance intelligent management system software of the grinding machines; each wireless network adapter is used for collecting operation data of the corresponding grinding machine and the data are transferred to the cloud server through a GPRS wireless channel; the client user which is authorized with a user name and a password accesses each grinding machine online through the cloud server; operation states and alarming information of the grinding machines are monitored and historical data of the grinding machines is checked. According to the long-distance intelligent monitoring system disclosed by the invention, the automatic management and the intensive monitoring on the grinding machines are realized, faults are prevented from happening and the production efficiency is improved.

Long-distance intelligent monitoring system of grinding machines

The invention discloses a remote control method for electromechanical equipment maintenance The remote control method for electromechanical equipment maintenance has the advantages that remote data acquisition and communication can be achieved through the method, pre-authorization maintenance authority codes or forcible authorization maintenance authority codes can be generated by a main remote authorization module and sent to a set of maintained equipment so that a user can be required to maintain the maintained equipment, the method has certain forcible effectiveness and is a management method capable of fully guaranteeing long-time and reliable use of the equipment, and thus running reliability and running stability of the electromechanical equipment can also be fully guaranteed, the method is favorable for prolonging the service life of the electromechanical equipment, and the using rights and interests of the user are protected Meanwhile, the method can also be applied to various kinds of non-industrial equipment requiring regular maintenance

Remote control method for electromechanical equipment maintenance

The invention discloses an online monitoring and fault diagnosing system of a motor based on an internet of things The online monitoring and fault diagnosing system comprises a sensing module, a network module and an application module, wherein the sensing module is used for comprehensively sensing to acquire operation parameters of the motor; the network module is in communication connection with the sensing module in a wireless way and is used for processing and storing operation parameter information of the motor; and the application module is in communication connection with the network module through an internet and is used for querying analyzed and processed sensing data through a PC (Personal Computer) and a mobile phone to find out motor faults According to the online monitoring and fault diagnosing system disclosed by the invention, the operation parameters are transmitted by adopting an internet-of-things technology according to the operation characteristics of the motor and the change of the operation parameter before the motor fails; and the operation parameters are analyzed by an expert intelligent system, so that early warning and diagnosis of the faults are realized In addition, the online monitoring and fault diagnosing system provided by the invention is convenient to operate and is excellent in performances

Online monitoring and fault diagnosing system of motor based on internet of things

Hand-held quick corrosion tester for petroleum pipelines

The invention relates to a remote monitoring, early warning and fault-diagnosing system for an anodic protection device based on an internet of things technology The system comprises a sensor device, a signal identifying device, a GPRS/CDMA (General Packet Radio Service/Code Division Multiple Access) network, an internet, a database server and a monitoring terminal, wherein the sensor device is connected with the signal identifying device; the signal identifying device is in wireless signal connection with the GPRS/CDMA network; the monitoring terminal comprises an equipment manufacturer monitoring terminal, a client monitoring terminal and an equipment manufacturer engineer and client engineer mobile monitoring terminal; the GPRS/CDMA network is in wireless signal connection with the equipment manufacturer engineer and client engineer mobile monitoring terminal; the GPRS/CDMA network is in wireless signal connection with the internet; the internet is connected with the database server; the internet is connected with the equipment manufacturer monitoring terminal and the client monitoring terminal; and the equipment manufacturer monitoring terminal and the client monitoring terminal are connected with the database server through the internet The system provided by the invention can be used for remotely monitoring and estimating the state of the anodic protection device in an all-weather way and timely and accurately warning the device exception

Remote monitoring, early warning and fault-diagnosing system and method for anodic protection device

Disclosed is a remote monitoring, pre-warning and fault diagnosis system for electrochemical equipment based on internet of things, which comprises a sensor device, an internet of things adapter, a GPRS network, an internetwork, a server, and a monitoring terminal; the sensor device is in wired connection with the internet of things adapter, and the internet of things adapter is in wireless connection with the GPRS network; the monitoring terminal comprises an equipment manufacturer/equipment user monitoring terminal, an equipment manufacturer/equipment user engineer mobile phone monitoring terminal; the GPRS network is in wireless connection with the equipment manufacturer/equipment user engineer mobile phone monitoring terminal; the GPRS network is in wireless connection with the internetwork, the internetwork is connected to the server, the internetwork is connected to the equipment manufacturer/equipment user monitoring terminal, and the equipment manufacturer/equipment user monitoring terminal is connected to the server through the internetwork. The remote monitoring, pre-warning and fault diagnosis system is capable of carrying out remote and round-the-clock monitoring and evaluation on states of electrochemical separating equipment or electrolyzing equipment at another place, and pre-warning abnormity of the equipment timely and accurately.

Remote monitoring, pre-warning and fault diagnosis system for electrochemical equipment based on internet of things

The utility model discloses a remote monitoring, warning and fault diagnosis system of an anode protecting device based on Internet of things. The remote monitoring, warning and fault diagnosis system comprises a sensor device, a signal recognition device, a GPRS (General Packet Radio Service)/CDMA (Code Division Multiple Access) network, an internet, a database server and a monitoring terminal, wherein the sensor device is connected with the signal recognition device, and the signal recognition device is connected with a wireless signal of the GPRS/CDMA network; the monitoring terminal comprises a device manufacturer monitoring terminal, a client monitoring terminal, and a device manufacturer engineer and client engineer mobile phone monitoring terminal; the GPRS/CDMA network is connected with the wireless signal of the device manufacturer engineer and client engineer mobile phone monitoring terminal, the GPRS/CDMA network is connected with the wireless signal of the internet, the internet is connected with the database server, the internet is connected with the device manufacturer monitoring terminal and the client monitoring terminal, and the device manufacturer monitoring terminal and the client monitoring terminal are connected with the database server through the internet. The remote monitoring, warning and fault diagnosis system can be used for carrying out remote all-weather monitoring and evaluation on a status of the anode protecting device, and timely accurately warning the device exception.

Weiwei Zheng

Papers

Remote monitoring, early warning and fault-diagnosing system and method for anodic protection device

Remote monitoring, pre-warning and fault diagnosis system for electrochemical equipment based on internet of things

Remote monitoring, warning and fault diagnosis system of anode protecting device based on Internet of things