CN115967510A - Remote equipment operation and maintenance system and method based on industrial internet - Google Patents

Abstract

The invention provides a remote equipment operation and maintenance system and method based on an industrial internet, which comprises the following steps: detecting the health state of the equipment operating environment, and simultaneously leading in an equipment security authentication key file to perform security authentication with the industrial internet platform remote equipment; receiving a remote operation and maintenance service component issued by an industrial internet platform, and starting a corresponding component to carry out remote operation and maintenance communication; receiving an operation and maintenance instruction issued by an industrial internet platform, carrying out security check on the instruction, and then carrying out content analysis and distribution execution on the instruction; and acquiring the current running state information and the log information of the equipment according to the instruction content, and uploading the information to an industrial Internet platform. The invention can access the equipment to the industrial internet for remote operation and maintenance on the premise of ensuring the safety of the industrial equipment, solves the problem that operation and maintenance personnel need to go on business to the site for maintenance, reduces the personnel cost and improves the efficiency.

Description

Remote equipment operation and maintenance system and method based on industrial internet

Technical Field

The invention relates to the technical field of remote operation and maintenance of equipment, in particular to a remote equipment operation and maintenance system and method based on an industrial internet.

Background

With the introduction and development of the industrial internet concept, the problem concerned by the industry in China gradually turns from digital construction to application of automation, intellectualization and service, the manufacturing industry mode also changes from the traditional production type manufacturing to the modern service type manufacturing, and various safety problems, quality problems, operation fault problems and the like along with the wide application of industrial products all make the society provide new requirements for the management mode of the industrial products.

The remote operation and maintenance service is one of links of an intelligent manufacturing mode, is active preventive operation and maintenance, is a product of the operation and maintenance service at a certain stage by integrating innovation and engineering application in a new generation of information technology and manufacturing equipment, breaks the space and physical boundary of people, objects and data, is the centralized embodiment of intelligent operation and maintenance in the link of the intelligent manufacturing service, and is a necessary trend of the development of the future operation and maintenance industry.

Meanwhile, the traditional equipment operation and maintenance mode needs to be managed by a designated specially-assigned person, and whether the regular cleaning, the weekly maintenance, the monthly maintenance and the maintenance work are in place or not is difficult to control. The traditional equipment management mode is like scratching on the boots, is difficult to grasp key points and solves key problems.

The closest technology in the prior art (Chinese patent with application number 201210591686.7, which discloses a method and a system for remote operation and maintenance of IT equipment). However, the operation and maintenance method of the patent still uses an operation and maintenance method for manually judging equipment faults, does not establish a model for the equipment, cannot automatically process the faults of the same equipment in batches, and does not accumulate fault data through the model; the remote communication mode of the patent is mainly a web browser and is single; this patent lacks the failure prediction module, can't predict in advance the trouble of equipment, also does not have the design of docking with spare part purchasing system, can't accomplish to predict equipment failure in advance, can't promote fortune maintenance efficiency through modes such as preparing spare parts in advance.

Patent document CN109857020A (application number: CN 201910086195.9) discloses a remote operation and maintenance management system. The system comprises a remote equipment maintenance management center, a field intelligent control device connected with the remote equipment maintenance management center and a corresponding cloud remote management system, wherein the cloud remote management system is used for acquiring corresponding data information of field related equipment in real time and transmitting the data information to an industrial intelligent gateway, the industrial intelligent gateway is transmitted to a cloud server through the Internet, and corresponding functional modules of the cloud remote management system are used for performing corresponding operation and monitoring operation management including parameter adjustment and setting, operation conditions, fault diagnosis and maintenance on the field equipment through the field intelligent control device. However, the patent lacks a fault prediction module, cannot predict the fault of the equipment in advance, does not have a design of butt joint with a spare part purchasing system, cannot predict the fault of the equipment in advance, and cannot improve the operation and maintenance efficiency by means of preparing spare parts in advance and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a remote equipment operation and maintenance system and method based on the industrial internet.

The remote equipment operation and maintenance system based on the industrial Internet comprises:

the equipment security authentication module: detecting the health state of the equipment operating environment, and simultaneously leading in an equipment security authentication key file to perform security authentication with the industrial internet platform remote equipment;

operation and maintenance basic service assembly receiving module: receiving a remote operation and maintenance service component issued by an industrial internet platform, and starting a corresponding component to carry out remote operation and maintenance communication;

the operation and maintenance command analysis module: receiving an operation and maintenance instruction issued by an industrial internet platform, carrying out security check on the instruction, and then carrying out content analysis and distribution execution on the instruction;

the equipment state acquisition and uploading module: and acquiring the current running state information and the log information of the equipment according to the instruction content, and uploading the information to an industrial Internet platform.

Preferably, the method further comprises the following steps: the remote equipment authentication management module: the method comprises the steps of being responsible for authority authentication of equipment, generating a public key file and a private key file for each equipment passing the authority authentication according to an equipment ID number of the equipment, storing the private key file on a server, and issuing the public key file to remote equipment to serve as a basis of authentication and authorization of the remote equipment.

Preferably, the method further comprises the following steps: the equipment model management module: managing the object model, including creating, copying and deleting the object model, wherein the object model reflects the information of each dimension of the physical equipment through attributes, events and services;

an equipment object model mapping module: and mapping the object model and the actual physical equipment to obtain an object model example, and performing equipment maintenance on the corresponding physical equipment through the object model example.

Preferably, the method further comprises the following steps: the equipment operation and maintenance analysis module: selecting and issuing a corresponding remote operation and maintenance basic service component according to the type of the equipment, establishing a communication link through the remote operation and maintenance basic service component, acquiring equipment log and state information, detecting an internal link of the equipment, judging whether the internal link is an internal link problem, if not, further analyzing by combining the log and historical information, predicting the future fault probability of the equipment, issuing a purchase instruction in advance, and shortening an operation and maintenance period;

the remote operation and maintenance basic service component issuing module comprises: issuing a service component type selected from four communication protocols of WebSocket, VPN, SSH and Telnet according to the equipment type;

a remote device control module: and establishing a communication link with the operation and maintenance basic service component issued to the remote equipment, and issuing an operation and maintenance control instruction.

The remote equipment operation and maintenance method based on the industrial Internet comprises the following steps:

step 1: establishing an object model and generating and distributing an authentication key:

step 2: the method comprises the steps that after the remote equipment is powered on, the working environment of the remote equipment is checked, a private key file in the remote equipment is read, encryption authentication information is generated and then registered to a cloud end, after a safety link is established between the cloud end and the remote equipment, equipment information is obtained through the cloud end, an established object model is bound with the remote equipment, and the remote equipment is controlled and diagnosed through the object model;

and 3, step 3: judging and selecting a communication protocol supported by remote equipment according to the information of the object model, receiving an operation and maintenance basic service assembly sent by an industrial internet platform, checking whether the file transmission of the assembly is wrong, retransmitting the assembly if the file transmission of the assembly is wrong, and starting the operation and maintenance service assembly and establishing communication if the file transmission of the assembly is wrong;

and 4, step 4: and acquiring equipment state information and equipment logs, uploading the equipment state information and the equipment logs to a cloud, analyzing the equipment faults, sending a diagnosis maintenance command according to an analysis result, executing the diagnosis maintenance command by the remote equipment, predicting the equipment faults, and purchasing equipment spare parts according to a prediction result.

Preferably, the step 1 comprises:

step 1.1: creating an equipment model at the cloud end, and reflecting the functions and characteristics of equipment through attributes, events and services;

step 1.2: a basic equipment model is built in the cloud, the basic equipment model comprises equipment ID, equipment name, equipment description and mode information, and the new equipment model is generated by inheriting the basic equipment model or a combination mode;

step 1.3: storing the attributes, events and services of the object model in the cloud, and directly selecting to add the object model when a new equipment object model is created;

step 1.4: the method comprises the steps of carrying out authentication management on remote equipment at the cloud, generating a public key file and a private key file according to the unique SN code of the equipment, storing the private key file on a server, and issuing the public key file to the remote equipment to serve as the basis of authentication and authorization of the remote equipment.

Preferably, the step 2 comprises:

step 2.1: performing function burning on the remote equipment;

step 2.2: after the remote equipment is powered on, detecting the process of the equipment, the residual capacity of a current equipment disk, the power state and the legality of a private key file, generating authentication certificate information when the detection is passed, sending the authentication certificate information to the cloud for authentication, and detecting and authenticating again if the equipment authentication is not passed;

step 2.3: and after the remote equipment passes the security authentication, selecting an object model according to the equipment information for association and binding, and then controlling and diagnosing the remote equipment through the object model.

Preferably, the log level in the remote device is modified by sending a command in the cloud, and the log levels are from high to low: criticacal, ERROR, WARNING, INFO, DEBUG, TRACE, the lower the level, the more detailed the log information outputs the larger the log file; and (5) performing condition screening according to the date and the grade to obtain a log file.

Preferably, the equipment is diagnosed according to the log information and the state information, if the current equipment state is only checked, a current equipment state query instruction is generated, the latest equipment state information is issued and acquired, and then the latest equipment state information is displayed on a cloud page;

if the current fault needs to be diagnosed, an internal link inspection instruction is sent to obtain communication state information and analyze whether the problem is a link problem; if the problem is a link problem, a command of resetting the link is sent to the equipment, if not, whether the problem is the problem of the equipment per se is further analyzed, then whether the problem is a software problem or a hardware problem is judged according to log state information, if the problem is the software problem, the software is remotely modified, restarted or upgraded through an established operation and maintenance link, if the problem is not the software problem, whether the problem is the hardware problem is judged through hardware interface information and chip state information, if the problem is the hardware problem, the hardware is replaced, and if the problem is not the hardware, the equipment accessory purchasing process is started.

Preferably, the communication protocol comprises WebSocket, VPN, SSH and Telnet;

if the operating environment of the remote equipment needs to be connected through the VPN, selecting to send a VPN service component; if the remote equipment is a Windows platform, selecting to send a Telnet service component; selecting an SSH service component if a UNIX-like system is running in the remote device; and if the log information needs to be displayed through the Web page, selecting a WebSocket service component.

Compared with the prior art, the invention has the following beneficial effects:

(1) The invention can access the equipment to the industrial internet for remote operation and maintenance on the premise of ensuring the safety of the industrial equipment, solves the problem that operation and maintenance personnel need to go on business and maintain on site, reduces the personnel cost and improves the efficiency;

(2) The method supports quick binding of the equipment object model, supports historical statistics of equipment faults and modeling of an equipment fault processing scheme, realizes automatic batch processing, and improves equipment fault solving efficiency.

(3) The invention can appoint to upload the log information of different devices in different time periods according to the requirement, can collect and count the log information of the devices to improve the problem positioning efficiency, supports four remote communication protocols of WebSocket, VPN (virtual tunnel private network), SSH and Telnet, meets the requirements of various devices on the communication protocols in the industrial production environment, and has wide scheme applicability;

(4) The invention is designed with an equipment failure prediction module which can carry out health diagnosis on the current running state of the equipment by using the historical failure model of the similar equipment, predict the failure occurrence probability of the equipment, and simultaneously advance purchase is carried out on the possibly damaged accessories on the premise of providing the equipment accessory purchasing module, thereby avoiding the problem of long equipment maintenance process caused by the absence of proper accessories.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a design framework diagram of the present invention;

FIG. 2 is a schematic diagram of an inheritance generation mode of an equipment model according to the present invention;

FIG. 3 is a schematic diagram of a model combination generation mode of the facility of the present invention;

FIG. 4 is a flow chart of the remote operation and maintenance method of the present invention;

fig. 5 is a flow chart of equipment failure analysis.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

Example (b):

the invention aims to provide a remote equipment operation and maintenance system based on an industrial internet. The invention can access the equipment to the industrial internet for remote operation and maintenance on the premise of ensuring the safety of the industrial equipment, supports the quick binding of equipment object models, supports the historical statistics of equipment faults and the modeling of an equipment fault processing scheme, realizes the batch processing of the faults and improves the equipment fault solving efficiency.

The modules related to the invention are respectively deployed in remote equipment and an operation and maintenance assembly of industrial networking equipment, and are shown in figure 1. The remote equipment comprises an equipment security authentication module, an operation and maintenance basic service component receiving module, an operation and maintenance command analysis module and an equipment state acquisition and uploading module, wherein the equipment security authentication module is responsible for checking whether the equipment operation environment is healthy and importing an equipment security authentication key file deviceidXX _ public.CSR to perform security authentication with an industrial internet platform remote equipment authentication management module. The operation and maintenance basic service component receiving module is used for receiving the remote operation and maintenance service component sent by the operation and maintenance component of the industrial Internet platform, and then starting the corresponding component to provide remote operation and maintenance communication server service. And the operation and maintenance command analysis module is used for receiving an operation and maintenance instruction issued by the industrial Internet platform, carrying out security check on the instruction, analyzing the content of the instruction after the instruction passes the security check, and distributing and executing the content. And the equipment state acquisition and uploading module is used for acquiring the current running state information and the log information of the equipment according to the instruction requirement and then uploading the information to the industrial Internet platform according to the requirement.

The equipment operation and maintenance component of the industrial internet platform comprises an equipment model management module, a remote equipment authentication management module, an equipment model mapping module, an equipment operation and maintenance analysis module, a remote equipment control module and a remote operation and maintenance basic service component issuing module. The remote equipment authentication management module is responsible for the authority authentication of the equipment, 2 key files are generated for each legal equipment through the equipment ID number of the legal equipment, one key file is a public key file devicedxx _ public.CSR, the other key file is a private key devicedxx _ private.key, the private key file is stored on the server, and the public key file is issued to the remote equipment to serve as the basis of the authentication authorization of the remote equipment. The equipment model management module is responsible for managing the object model, the object model is the abstraction of the physical equipment on the digital level, the object model can reflect the information of each dimension of the physical equipment through attributes, events and services, and the equipment model management module is responsible for creating, copying and deleting the object model and is the basis of the object model and equipment mapping. The equipment model mapping module is responsible for mapping the object model and the actual physical equipment, an object model instance can be generated after mapping is finished, and the platform maintains the corresponding physical equipment through the object model instance. The equipment analysis module can select suitable long-range fortune dimension basic service subassembly to issue according to the equipment type, establish communication link through long-range fortune dimension basic service subassembly, equipment fortune dimension analysis module acquires equipment log and state information, whether it is the internal link problem to the equipment internal link detection judgement, if not then further combine the log, historical information carries out the analysis, equipment fortune dimension analysis module possesses the fault prediction module, can predict equipment future fault probability, issue the purchase instruction in advance through butt joint equipment accessory purchase module, shorten fortune dimension cycle. And the remote operation and maintenance basic service component issuing module issues the service component type selected from the four communication protocols of WebSocket, VPN, SSH and Telnet according to the decision result of the equipment operation and maintenance analysis module. The remote equipment control module is responsible for establishing a communication link with the operation and maintenance basic service assembly issued to the remote equipment and issuing an operation and maintenance control instruction.

The invention provides an operation and maintenance method of remote equipment based on an industrial Internet, which comprises the following steps:

step 1: establishing an object model and generating and distributing an authentication key: an equipment model is created in an industrial internet cloud (hereinafter referred to as a cloud) through an equipment model management module M101, the equipment model is a digital abstraction of equipment, the use attributes, events and services of the equipment model reflect the functions and characteristics of the equipment, and the equipment model can be generated in an inheritance and combination mode. After the design of the physical model is completed, the cloud has the role of device authentication management authority, security authentication key files, one of which is a public key file deviceIDXX _ public.csr and the other is a private key file deviceIDXX _ private.key, are created in the remote device management module M102, the private key files are stored on the server, and the public key files are issued to the remote device as the basis of authentication and authorization.

And 2, step: the method comprises the steps that an equipment security authentication module M201, an operation and maintenance command analysis module M202, an operation and maintenance basic service component receiving module M203 and an equipment state obtaining and uploading module M204 are burned in a remote equipment M20, a private key deviceidXX _ private. Key file is simultaneously imported, the equipment becomes the remote operation and maintenance equipment after the module burning is completed, the remote operation and maintenance equipment can be supported, after the remote equipment is powered on, the security authentication module M201 reads the private key file in the remote equipment after checking that the working environment of the remote equipment M20 is normal, and after checking that the validity of the private key is finished, encryption authentication information is generated and then is registered to a cloud. After the cloud and the remote device establish a secure link, the cloud acquires device information, the device object model mapping module M103 binds the established object model with the remote device, and the bound object model becomes an operation model for controlling and diagnosing the remote device.

And step 3: the operation and maintenance analysis module M110 judges the communication protocol supported by the remote device according to the basic information in the physical model, and sends the optimal service component type supported by the device selected from the four communication protocols of WebSocket, VPN, SSH and Telnet through the remote operation and maintenance basic service component issuing module M105. In the remote device M20, the operation and maintenance basic service component receiving module M203 receives the operation and maintenance basic service component sent by the platform, checks whether the component file transmission is wrong, retransmits the component file transmission if the component file transmission is wrong, starts the operation and maintenance service component in the remote device M20 if the component file transmission is wrong, and establishes communication through the operation and maintenance basic service component in the device by the cloud remote device control module M104.

And 4, step 4: after the control communication link between the cloud and the remote device is completed, the remote device control module M104 may automatically send a device log and status upload instruction, the operation and maintenance command analysis module M202 in the remote device M20 obtains the command, and the device log and status information are uploaded to the cloud device operation and maintenance analysis and fault batch processing module M110 through the device status obtaining and upload module M204. Module M110 analyzes the fault, sends a diagnostic maintenance command based on the analysis result to be executed by the remote device, and at the same time, module M110 predicts the equipment fault and interfaces with equipment spare part purchasing module M116 based on the prediction result.

The step 1 comprises the following steps:

step 1.1: and (4) building an object model. In the present invention, an object model is associated with each piece of equipment that requires remote maintenance. An equipment model is created through an equipment model management module M101 at the cloud, the equipment model is a digital abstraction of equipment, the function and the characteristic of the equipment are reflected by the use of the attribute, the event and the service of the equipment, and the equipment model can be generated in an inheritance and combination mode.

Step 1.2: the device model inherits the generation mode as shown in fig. 2, and a cloud default is internally provided with a basic device model which contains information such as a device ID, a device name, a device description, and a mode, as follows:

{

"deviceid" ",// automatically generating unique ID when device is newly built

"name":"defaultdevice",

"desc": this is a default device,

"required":true,

mode of "mode": rw,// attribute, r stands for read, w stands for write

}

All newly-built equipment object models inherit a basic equipment object model, the inherited object model automatically generates a unique equipment ID by a system, the equipment name, the equipment description and the mode part require the inherited object model to be re-filled, and attribute domains, event domains and service domains in the model inherit the object model related domains of the previous level, for example, an extended equipment object model 1 in fig. 2 is as follows:

step 1.3: the device model combination generation mode is as shown in fig. 3, common attributes, events and services in some object models can be stored in the cloud, automobile shells, tires and engines are stored in a similar automobile distribution warehouse, and when the device models need to be created, the existing attributes, events and services can be selected from the model warehouse and added into the models, so that the creation time of the models is saved.

Step 1.4: after the design of the physical model is completed, the cloud has the role of device authentication management authority, a device unique SN number is input into the remote device management module M102, a corresponding key generation button is clicked, then 2 device security authentication key files are generated, one is a public key file devicedxx _ public.csr, the other is a private key devicedxx _ private.key, the private key file is stored on the server, and the public key file is issued to the remote device as the basis of the authentication authorization of the remote device.

The public key and the file are both a hash file string, and the two files are in one-to-one correspondence and used for security authentication.

Example public key file:

-----BEGINCERTIFICATEREQUEST-----

MIICozCCAYsCAQAwXjEaMBgGA1UEAwwRY2hlbnhpYW9mYW5nLnNpdGUxDzANBgNVBAoMBnFjbG91ZDEQMA4GA1UEBwwHQmVpamluZzEQMA4GA1UECAwHQmVpamluZzELMAkGA1UEBhMCQ04wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCdQGlTWpYaGUxetXrFhlXSVzi6LS4GOj9ffFb6lqmitjhXfMFZKCU6rf0MRdtxUlf13TKwai2gAQ5u0RiS0xt8Brd/z+E3TSBVbQV3gTMJTfknJTpiXa2zQ1OhPlLRRY6Oif03TCx2/CN28QaeE2yxSxUttjuOtA1udycQOtl3NxIyd6Xr4CrsRW04iSxxIKcBSodIZ6Q+qSOMk7x＝＝

-----ENDCERTIFICATEREQUEST-----

private key file example:

-----BEGINRSAPRIVATEKEY-----

PPxwcDEuW3d6HJALH+09gmvpyKovLOX9/wO+vo8CgYEAuaRRMxayfABT60xeqUkHdZEIqOFbxMEk0cxeoEY9hvlhXKoBeSvbIG739yOeRSwDyoZiidrInensCuyROFck98ehz11tN3vZn8wRMBVksihKDt7MJmRzgPMNcXLzz+789HE1r/0F3o8d6vwAYvA4FKoX8CtAAqVwZpXiCsHeTO0CgYAZWPgqW3LDKBd2CTH3EAImRZ1eppz4jOVkrxfaQqXjk0JejDPtMZmFxaq+xInjFgrQsqYNsRgZlxdWVBQLcHoP7ZSo6eOYsnLivwtj

-----ENDRSAPRIVATEKEY-----

the step 2 comprises the following steps:

step 2.1: when the remote device uses the remote operation and maintenance method of the present invention, it is necessary to burn the functional module in advance, and a device security authentication module M201, an operation and maintenance command analysis module M202, an operation and maintenance basic service component receiving module M203, and a device status acquisition and upload module M204 are burned in the remote device M20.

Step 2.2: after the remote device is powered on, the security authentication module M201 checks whether a current system in the remote device M20 is normal as in the S1 flow in fig. 4, checks whether a suspicious process exists, checks whether the remaining capacity of a current device disk is greater than 50M (for installing a remote operation and maintenance basic service component), checks whether the current device power state is sufficient, checks whether a private key file in the current device is legal, generates authentication credential information when the detection is passed, sends the information to the cloud remote device authentication management module M102 to perform an authentication flow S3, performs detection and re-authentication if the device authentication is not passed, and enters the next step if the device authentication is passed.

Step 2.3: after the device passes the security authentication, the process S4 is performed, where the remote device authentication management module M102 submits the device information to the device physical model management module M101, the M101 and the device physical model mapping module M103 select a proper physical model according to the device information to perform association binding, and the bound physical model becomes an operation model for controlling and diagnosing the remote device. The cloud platform can generate various diagnostic control commands according to services provided in the object model, such as maintenance diagnostic commands like an equipment state acquisition command, a log uploading command, a restarting command and the like.

The step 3 comprises the following steps:

step 3.1: the operation and maintenance analysis module M110 judges the communication protocol supported by the remote device through the basic information in the object model, and sends the optimal service component type supported by the device selected from the four communication protocols of WebSocket, VPN, SSH and Telnet, such as the process S8, through the remote operation and maintenance basic service component issuing module M105. If the remote equipment runs in a place with higher security and needs to be connected through a VPN, selecting to send a VPN service component, if the remote equipment is a Windows platform, selecting to send a Telnet service component, if a UNIX-like system runs in the remote equipment, selecting an SSH service component, and if log information is expected to be displayed through a Web page, selecting a WebSocket service component.

Step 3.2: after the remote device M20 is powered on, the operation and maintenance basic service component receiving module M203, the operation and maintenance basic service components sent by the receiving platform are operated all the time, whether component file transmission is wrong or not is checked, retransmission is performed if the component file transmission is wrong, the operation and maintenance service components are started in the remote device M20 if the component file transmission is wrong, and communication is established through the operation and maintenance basic service components in the cloud remote device control module M104.

And 4, step 4: after the control communication link between the cloud and the remote device is completed, the remote device control module M104 may automatically send a device log and status upload instruction, the operation and maintenance command analysis module M202 in the remote device M20 obtains the command, and the device log and status information are uploaded to the cloud device operation and maintenance analysis and fault batch processing module M110 through the device status obtaining and upload module M204. Module M110 analyzes the fault, sends a diagnostic maintenance command based on the analysis result to be executed by the remote device, and at the same time, module M110 predicts the equipment fault and interfaces with equipment spare part purchasing module M116 based on the prediction result.

The step 4 comprises the following steps:

step 4.1: after the cloud and remote device control communication link is completed, the remote device control module M104 may automatically send a device log and state upload instruction, the operation and maintenance command analysis module M202 in the remote device M20 obtains the command, and the device log and state information are uploaded to the cloud device operation and maintenance analysis and fault batch processing module M110 through the device state obtaining and upload module M204.

And 4.2: the remote device control module M104 may modify the log level in the remote device by sending a command, the log level being from high to low: CRITICAL, ERROR, WARNING, INFO, DEBUG, TRACE. The more detailed the log information is at a lower level, the more detailed the log information is, the larger the log file is outputted. The cloud service platform can appoint the log according to the requirement and obtain the log file according to the screening conditions of time, date, grade, appointed modules and the like. The device status obtaining and uploading module M204 uploads the required log and status information to the sub-module device log receiving module M112 of the device operation and maintenance analysis module M110 according to the current invitation.

Step 4.3: the device operation and maintenance analysis module M110 diagnoses the device according to the log information and the state information, as shown in fig. 5, after obtaining the device log and the state information, the maintenance personnel selects a diagnosis scene according to the current requirement:

if only the current equipment state is checked, generating a current equipment state query instruction, issuing and acquiring the latest equipment state information through the remote equipment control module M104, and then displaying the latest equipment state information on a cloud page;

if the current fault needs to be diagnosed, the device internal link check module M114 is first invoked to send an internal link check command, which will ask each module in the remote device to send communication link status information, from which it is analyzed whether it is a link problem. If the problem is a link problem, a command of resetting the link is sent to the equipment, if not, whether the problem is the problem of the equipment per se is further analyzed, then whether the problem is a software problem or a hardware problem is judged according to log state information, if the problem is the software problem, software can be remotely modified, restarted or upgraded through an established operation and maintenance link, if the problem is not the software problem, whether the problem is the hardware problem is judged through hardware interface information and chip state information such as voltage, temperature and the like, if the problem is the hardware problem, the hardware is replaced, and if the problem is not the hardware, the hardware is butted with an accessory purchasing module of the running equipment, and a purchasing process is started.

The fault diagnosis module can also predict future faults of the equipment according to current and historical log information, key information in the log is extracted by the fault diagnosis module, the prediction is carried out by combining a fault expert reasoning model in the equipment fault prediction module M115, for example, abnormal angular speed and jitter frequently occur in a certain rotating part of the equipment in a certain short time, the probability diagnosis of the future fault of the rotating part can be predicted by combining other working conditions, when the fault occurs, the equipment accessory purchasing module is operated to be in butt joint, a purchasing process is started, spare parts are prepared in advance, the updating efficiency of the equipment accessories can be improved, and the problem that the maintenance process of the equipment is long due to the fact that no proper accessory exists is solved.

It is known to those skilled in the art that, in addition to implementing the system, apparatus and its various modules provided by the present invention in pure computer readable program code, the system, apparatus and its various modules provided by the present invention can be implemented in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like by completely programming the method steps. Therefore, the system, the apparatus, and the modules thereof provided by the present invention may be considered as a hardware component, and the modules included in the system, the apparatus, and the modules for implementing various programs may also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A remote equipment operation and maintenance system based on industrial Internet is characterized by comprising:

the equipment security authentication module: detecting the health state of the equipment operating environment, and simultaneously leading in an equipment security authentication key file to perform security authentication with the industrial internet platform remote equipment;

operation and maintenance basic service assembly receiving module: receiving a remote operation and maintenance service component issued by an industrial internet platform, and starting a corresponding component to carry out remote operation and maintenance communication;

the operation and maintenance command analysis module: receiving an operation and maintenance instruction issued by an industrial Internet platform, carrying out security check on the instruction, and then carrying out content analysis and distribution execution on the instruction;

the device state acquisition and uploading module: and acquiring the current running state information and the log information of the equipment according to the instruction content, and uploading the information to an industrial Internet platform.

2. The remote industrial internet-based device operation and maintenance system according to claim 1, further comprising: the remote equipment authentication management module: the method comprises the steps of being responsible for authority authentication of equipment, generating a public key file and a private key file for each equipment passing the authority authentication according to an equipment ID number of the equipment, storing the private key file on a server, and issuing the public key file to remote equipment to serve as a basis of authentication and authorization of the remote equipment.

3. The remote industrial internet-based device operation and maintenance system according to claim 1, further comprising: the equipment object model management module: managing the object model, including creating, copying and deleting the object model, wherein the object model reflects the information of each dimension of the physical equipment through attributes, events and services;

the equipment model mapping module: and mapping the object model and the actual physical equipment to obtain an object model example, and maintaining the corresponding physical equipment through the object model example.

4. The remote industrial internet-based device operation and maintenance system according to claim 1, further comprising: the equipment operation and maintenance analysis module: selecting and issuing a corresponding remote operation and maintenance basic service component according to the type of the equipment, establishing a communication link through the remote operation and maintenance basic service component, acquiring equipment log and state information, detecting an internal link of the equipment, judging whether the internal link is an internal link problem, if not, further analyzing by combining the log and historical information, predicting the future failure probability of the equipment, issuing a purchase instruction in advance, and shortening an operation and maintenance period;

the remote operation and maintenance basic service component issuing module comprises: issuing a service component type selected from four communication protocols of WebSocket, VPN, SSH and Telnet according to the equipment type;

the remote equipment control module: and establishing a communication link with the operation and maintenance basic service component issued to the remote equipment, and issuing an operation and maintenance control instruction.

5. A remote equipment operation and maintenance method based on industrial Internet is characterized by comprising the following steps:

step 1: and (3) establishing an object model and generating and distributing an authentication key:

and 2, step: the method comprises the steps that after the remote equipment is powered on, the working environment of the remote equipment is checked, a private key file in the remote equipment is read, encryption authentication information is generated and then registered to a cloud end, after a safety link is established between the cloud end and the remote equipment, equipment information is obtained through the cloud end, an established object model and the remote equipment are bound, and the remote equipment is controlled and diagnosed through the object model;

and step 3: judging and selecting a communication protocol supported by remote equipment according to the information of the object model, receiving an operation and maintenance basic service assembly sent by an industrial internet platform, checking whether the file transmission of the assembly is wrong, retransmitting the assembly if the file transmission of the assembly is wrong, and starting the operation and maintenance service assembly and establishing communication if the file transmission of the assembly is wrong;

and 4, step 4: and acquiring equipment state information and equipment logs, uploading the equipment state information and the equipment logs to a cloud, analyzing the equipment faults, sending a diagnosis maintenance command according to an analysis result, executing the diagnosis maintenance command by the remote equipment, predicting the equipment faults, and purchasing equipment spare parts according to a prediction result.

6. The remote operation and maintenance method for industrial internet-based equipment as claimed in claim 5, wherein said step 1 comprises:

step 1.1: creating an equipment model at the cloud, and reflecting the functions and characteristics of equipment through attributes, events and services;

step 1.2: a basic equipment model is built in the cloud, the basic equipment model comprises an equipment ID, an equipment name, equipment description and mode information, and the new equipment model is generated by selectively inheriting the basic equipment model or combining the basic equipment model;

step 1.3: storing the attributes, events and services of the object model in the cloud, and directly selecting and adding the object model when a new device object model is created;

step 1.4: the method comprises the steps of carrying out authentication management on remote equipment at the cloud end, generating a public key file and a private key file according to the unique SN code of the equipment, storing the private key file on a server, and issuing the public key file to the remote equipment to serve as the basis of authentication and authorization of the remote equipment.

7. The remote industrial internet-based device operation and maintenance method according to claim 5, wherein the step 2 comprises:

step 2.1: performing function burning on the remote equipment;

step 2.2: after the remote equipment is powered on, detecting the process of the equipment, the residual capacity of a current equipment disk, the power state and the legality of a private key file, generating authentication certificate information when the detection is passed, sending the authentication certificate information to the cloud for authentication, and detecting and authenticating again if the equipment authentication is not passed;

step 2.3: and after the remote equipment passes the security authentication, selecting an object model according to the equipment information for association and binding, and then controlling and diagnosing the remote equipment through the object model.

8. The remote device operation and maintenance method based on the industrial internet as claimed in claim 5, wherein the log level in the remote device is modified by sending a command at the cloud, and the log level is from high to low: criticacal, ERROR, WARNING, INFO, DEBUG, TRACE, the lower the level, the more detailed the log information outputs the larger the log file; and (5) performing condition screening according to the date and the grade to obtain a log file.

9. The remote equipment operation and maintenance method based on the industrial internet as claimed in claim 5, wherein the equipment is diagnosed according to the log information and the state information, if only the current equipment state is checked, a current equipment state query instruction is generated and the latest equipment state information is issued and then displayed on a cloud page;

if the current fault needs to be diagnosed, sending an internal link inspection instruction to obtain communication state information and analyzing whether the problem is a link problem; if the problem is a link problem, a command of resetting the link is sent to the equipment, if not, whether the problem is the problem of the equipment is further analyzed, then whether the problem is a software problem or a hardware problem is judged according to the log state information, if the problem is the software problem, the software is remotely modified, restarted or upgraded through the established operation and maintenance link, if the problem is not the software problem, whether the problem is the hardware problem is judged through the hardware interface information and the chip state information, if the problem is the hardware problem, the hardware is replaced, and if the problem is not the hardware, the equipment accessory purchasing process is started.

10. The remote device operation and maintenance method based on the industrial internet as claimed in claim 5, wherein the communication protocol includes WebSocket, VPN, SSH and Telnet;

if the operating environment of the remote equipment needs to be connected through the VPN, selecting to send a VPN service component; if the remote equipment is a Windows platform, selecting to send a Telnet service component; selecting an SSH service component if a UNIX-like system is running in the remote device; and if the log information needs to be displayed through the Web page, selecting a WebSocket service component.

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