CN102130947A - Remote monitored maintenance method and system based on 3G and cloud computing technology - Google Patents
Remote monitored maintenance method and system based on 3G and cloud computing technology Download PDFInfo
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Abstract
The invention discloses a remote monitored maintenance method and system based on 3G and a cloud computing technology, which belong to 3GInternet network remote monitored maintenance in the industrial automation industry. Field data and video signals of control systems such as a programmable logic controller (PLC), a programmable automation controller (PAC), a human-machine interface (HMI), a frequency converter, a host computer and the like of a remote cloud field station are acquired in real time by using a 3G Internet network and a cloud server platform, so that practical difficulties in remote online diagnosis, debugging, online program modification and program uploading and downloading in an enterprise are eliminated, wireless monitored maintenance of the remote cloud field station is realized, and field attention of a field operating engineer is not required. The remote monitored maintenance system can be applied to any place covered by the 3G network, is operated very conveniently and flexibly, is easy for remote management, debugging and maintenance, and has the characteristics of online instantaneity, safety, high speed, easiness in operation and introduction and the like.
Description
Technical field
Technical field under the present invention is that the 3G Internet network remote monitoring of industrial automation industry is safeguarded, is specifically related to a kind of method and system of the remote monitoring maintenance based on 3G and cloud computing technology.
Background technology
At present, domestic 3G network, the application of cloud computing method still are applied in civilian occasion mostly, and as the wireless transmission of 3G mobile, 3G video, 3G audio frequency, 3G and 2G compare, and main advantage is the lifting on the speed.The long-range Programmable Logic Controller PLC of industrial occasions goes up and downloads programming, at present more is to adopt the comparatively mode of the Modem telephone wire of low speed, the data acquisition of long distance wireless substantially all is to use the mode of GPRS temporarily to solve subproblem, but the picking rate of this dual mode all is in the Kbps rank, speed is lower, still cannot solve the problem that requires of modernized industrial automation control and network management, the feedback of for example long-range real-time diagnosis, on-line debugging, form, on-the-spot real-time vision signal or the like to equipment.
Nowadays, the 3G network broad covered area, traditional 2G network before replacing gradually, the aggregation of data of 3G network is used increasingly extensive especially and deep, the higher coverage rate of 3G network is to utilize the wireless data security transmission of this network realization to create condition, speed also relatively the Kbps of phone Modem brought up to the rank of Mbps, promoted more than 1000 times.
Global or some zones exist and distribute widely and discrete middle-size and small-size user, they need information service, do not think again oneself to set up and there is no need to set up independent information processing and storage system, press for and utilize the sufficient abundant resources of society to be its service, realize the business service pattern of instant paying, thus, one has technical foundation, have again market pulling " the cloud computing service mode has been expedited the emergence of.Adopt that " the cloud computing technology is based on now the Internet 3G information security and has accomplished that very high preciseness, computer have ultrahigh speed computing and super storage capacity, the whole world to exist information resources, the digital transmission network of magnanimity to have enough bandwidth and popular the Internet to supply.It is a kind of of distributed computing technology, its the most basic notion is to see through network huge computing Automatic Program is split into numerous less subprogram, transfers to the bulky systems that the multi-section server formed again and after search, computational analysis result is returned to the user.See through this technology, Internet Service Provider can be within the several seconds, reaches and handles number in necessarily even hundred million information, reaches and the network service of " supercomputer " same powerful usefulness.
Summary of the invention
The objective of the invention is based on above-mentioned prior art and defective of the prior art, a kind of method and system by means of 3G Internet network and cloud computing technology are provided, Programmable Logic Controller PLC to on-the-spot station, long-range high in the clouds goes up download programming and debugging, solving actual run into long-range in the enterprise can't inline diagnosis, debugging, online update routine and on the difficulty that downloads, realize the monitoring at on-the-spot station, long-range high in the clouds is safeguarded.
Realize that method of the present invention is:
The data that relate between host of data sources and the destination host send and receive, comprise 3G wireless telecommunications and cloud computing, wherein: the data that on-the-spot station, high in the clouds collects are imported the telesecurity communication module into by interface, this telesecurity communication module has been set up designated lane by the 3G router on 3G Internet network, wirelessly data are sent to Cloud Server; Computer among the engineer station of high in the clouds is connected with the telesecurity communication module with Ethernet, receives data from long-range Cloud Server wirelessly by the 3G router; Pass through the Ethernet real-time communication between Programmable Logic Controller PLC and the multifunctional panel HMI; Wireless camera is by the wireless ethernet real-time communication.
Cloud computing (Cloud computing), adopt distributed computing technology, see through 3G Internet network huge computing Automatic Program is split into numerous less subprogram, the system that is made up of the multi-section server searches, calculates and analyzes again, and result returns to the high in the clouds user the most at last; Install the program of download and programming, the required software of debugging on the Cloud Server.
Adopt dynamic IP equipment to connect and replace conventional fixedly IP device to connect, the platform and the high in the clouds user of the Cloud Server by far-end carry out exchanges data.
Adopt the S-LINK agreement to carry out the transmission and the reception of data, adopt RSA cryptographic algorithms, secret key is 128 bit encryptions.
The S-LINK agreement is based on application layer, be that the mode that PKI and private key are used in combination is encrypted, different keys is adopted in its encryption and decryption, belong to the asymmetric key cipher system, each communication party all needs PKI and two keys of private key, these two keys are encryption and decryption each other, PKI is disclosed, not need to be keep secret, and private key is that communication apparatus is held by both party, wherein transmit leg carries out cryptographic operation by the PKI that uses the recipient to data, the data receiver uses the private key of oneself just can be decrypted data then, and the recipient just can know whether complete transmission of data by decryption oprerations, if can use the private key data decryption of oneself, illustrate that data are real, otherwise the data of transmission may be distorted in transmission course.
Adopt RSA cryptographic algorithms, it is defined as two website A and B, and wherein A wants the technology of one section plaintext by dual key encryption sent to B, and B has a pair of PKI and private key, and the process of encrypting and decrypting is as follows so:
B sends the public-key cryptography of B to A;
A sends B to then with the message of the public key encryption A of B;
B deciphers the message of A with the private key of B;
Otherwise B will will expressly send to A, and process is as follows:
A receives the plaintext of B;
The private key deciphering of A;
The public key encryption of A;
The A that B receives expressly.
Realize that system of the present invention is:
Adopt the cloud supervisory computer, Cloud Server, the telesecurity communication module, the 3G router, cloud computing 3G Internet network, high in the clouds engineer's computer, Programmable Logic Controller PLC, ethernet module, multifunctional panel HMI and wireless camera, wherein: cloud supervisory computer and Cloud Server are through connecing the telesecurity communication module, this telesecurity communication module connects the 3G router, connect high in the clouds, strange land 3G router by 3G Internet network, high in the clouds engineer's computer connects the 3G router through the telesecurity communication module, wireless camera and Programmable Logic Controller PLC, ethernet module, multifunctional panel HMI module is connected the telesecurity communication module with wireless ethernet with the Ethernet form respectively, connects 3G Internet network by the 3G router again.
The beneficial effect that the present invention has:
General having no idea at the scene with arriving Internet on the mode of cable broadband, perhaps be inconvenient to open to the outside world because of the enterprises safety problem, the present invention is based on 3G Internet network and Programmable Logic Controller PLC carry out remote monitoring maintenance side by cloud computing, just can be applied in the place that has 3G network to cover, very convenient and flexible.
The present invention can not need the execute-in-place engineer on duty at the scene, only on-the-spot station, high in the clouds need be needed the power devices such as equipment, telesecurity communication module, 3G router of remote debugging, programming and the high in the clouds engineer station just can communication with power devices such as telesecurity communication module, 3G routers, pass through Cloud Server, to the on-the-spot station equipment in high in the clouds, carry out real-time inline diagnosis, debugging and go up and download programming as intelligent communication module such as various fieldbus, instrument, HMI and PLC, data, the vision signal at scene is sent to the high in the clouds engineer station together.
The present invention realizes that by 3G Internet network using S-LINK agreement data send and receive, employing be that cryptographic algorithm is RSA, secret key is 128 bit encryptions, has guaranteed safety of data, integrality and reliability.
The present invention operates very convenient, be easy to telemanagement, debugging and maintenance, have online in real time, safety, at a high speed, simple to operate, the characteristics such as easy of crossing the threshold, the debugging of equipment and system, human cost and the material resources cost that maintenance brings have been saved greatly, reduced the time of the answer production capacity of enterprise, enhance productivity, the loss that enterprise is brought because stop production drops to minimum.
Description of drawings
The simple and easy module map of the method and system of Fig. 1 remote monitoring maintenance of the present invention.
The communication network figure of the method and system of Fig. 2 remote monitoring maintenance of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
For realizing the method and system of the remote monitoring maintenance based on 3G and cloud computing technology of the present invention, with a Cloud Server, cloud supervisory computer, telesecurity communication module SY-RSCM300,3G router SY-3G, the Q series of PLC Q02H CPU of Mitsubishi, Q family ethernet module QJ71E71-100, HMI, field video signal acquisition module wireless camera, high in the clouds engineer's computer is example, by 3G Internet network carry out telesecurity industrial network real-time communication, inline diagnosis and long-range on download.
The model and the characteristics of each components and parts are as follows:
1, Cloud Server, CPU four nuclear Xeon 2.26G, internal memory 4G DDR3, hard disk 2TB SATA, network interface card 1000M*1 is equipped with the Oracle database;
2, cloud supervisory computer, the operating system Windows XP of Microsoft is housed in advance, select for use and grind the high CompactPCI of auspicious CPC-8401 system industrial computer/server, the GX Developer8.31 of Mitsubishi programming software, HMI programming software, domain name mapping software and easily control configuration software 2009 are as domain name mapping, online data monitoring and storage etc.;
3, high in the clouds engineer station is equipped with the computer of high in the clouds operating system software in advance, selects the upper programmable device PG of Siemens for use, is the programming computer of industrial level;
4, Programmable Logic Controller PLC: the Q of Mitsubishi series of PLC, select main frame Q02H CPU for use, ethernet module QJ71E71-100 expansion has the Industrial Ethernet communication interface;
5, multifunctional panel HMI: select 10.4 cun of Siemens MP277 and Key, 64K color, resolution 640*480 for use, have the CF card;
6, match the module of journey safety communication far away SY-RSCM300, have 4 LAN mouths (10/100Mbit/s), 1 WAN mouth has built-in agreement of S-LINK and functionality of vlan, firewall functionality, routing and switching function;
7,3G router is selected match SY-3G far away for use, can connect the 3G network of three kinds of standards: W-CDMA, CDMA2000, TD-SCDMA;
8, wireless camera is selected the SY-CMR with Ethernet interface for use, the WIFI function, and industrial level has high-resolution built-in Web Server.
Implementation method:
1, the IP address with cloud supervisory computer and Cloud Server manually is set in the specified network segment of telesecurity communication module SY-RSCM300;
2, the telesecurity communication module SY-RSCM300 equipment of Cloud Server end being connected to the SY-3G router connects by 3G Internet network;
3, the telesecurity communication module SY-RSCM300 with the Cloud Server end is configured: enable S-LINK and functionality of vlan, by RSA secret key digital signature mode the terminal sign in DNS host name address, opposite end and tunnel, opposite end is set, and parameters such as secret key lifetime, appointment local network segment and the opposite end network segment; Be other equipment in the Cloud Server net, distribute the IP address pool in the specified network segment of telesecurity communication module SY-RSCM300, distribute same network segment IP, DNS to give Cloud Server, cloud supervisory computer, telesecurity communication module SY-RSCM300 and SY-3G router by the mode of manual setting;
4, the telesecurity communication module SY-RSCM300 with the high in the clouds engineer station is configured: enable S-LINK and functionality of vlan, by RSA secret key digital signature mode tunnel terminal sign ID and tunnel, opposite end terminal sign ID and dynamic IP addressing are set, and parameters such as secret key lifetime, appointment local network segment and the opposite end network segment, be the high in the clouds engineer's computer in the engineer station of high in the clouds, telesecurity communication module SY-RSCM300 and SY-3G router distributing IP, and open corresponding required port;
5, the on-the-spot telesecurity communication module SY-RSCM300 equipment of standing in high in the clouds being connected to the SY-3G router connects by 3G Internet network;
6, the IP address of the Q of the Mitsubishi series of PLC of being stood in the scene, high in the clouds, HMI, SY-3G router, camera manually is set to the idle IP in the specified network segment of telesecurity communication module SY-RSCM300;
7, the Q of Mitsubishi series of PLC, telesecurity communication module SY-RSCM300, SY-3G router, HMI and the camera of being stood in the scene, high in the clouds all concentrated and is connected on the telesecurity communication module SY-RSCM300, by 3G Internet network data sent to the Cloud Server end;
8, open the GX Developer8.31 of Mitsubishi programming software, HMI programming software above the engineer station of high in the clouds, can by Cloud Server with the mode of 3G online to the various device at on-the-spot station, high in the clouds carry out the reading of long-range real time data, inline diagnosis, on download and on-the-spot real-time functions such as video signal collective;
9, the high in the clouds engineer station drives by means of the OPC of 3G Internet network by easily control the is built-in Mitsubishi PLC of the configuration software on the cloud supervisory computer, can read and write the inner parameter of the long-range Q of Mitsubishi series of PLC, reach online storage of teledata and historical record, and the data field of control PLC inside that can be online, memory, the switching value of output and analog quantity;
10, the high in the clouds engineer station opens this machine IE browser, key in the IP address of camera, carry out real-time video data acquiring and voice feedback by means of 3G Internet network by Cloud Server to the field condition at on-the-spot station, high in the clouds, browse first, after downloading the built-in drive installation of camera, can see on-the-spot real-time condition.
Claims (4)
1. method based on the remote monitoring maintenance of 3G and cloud computing technology, it comprises that the data between host of data sources and the destination host send and receive, and it is characterized in that comprising 3G wireless telecommunications and cloud computing, wherein:
A. 3G wireless telecommunications, the data that adopt on-the-spot station, high in the clouds to collect are imported the telesecurity communication module into by interface, this telesecurity communication module has been set up designated lane by the 3G router on 3G Internet network, wirelessly data are sent to Cloud Server; The engineer station is that the computer among the engineer station of high in the clouds is connected with the telesecurity communication module with Ethernet, receives data from long-range Cloud Server wirelessly by the 3G router; Pass through the Ethernet real-time communication between Programmable Logic Controller PLC and the multifunctional panel HMI; Wireless camera is by the wireless ethernet real-time communication;
B. cloud computing (Cloud computing), adopt distributed computing technology, see through 3G Internet network huge computing Automatic Program is split into numerous less subprogram, the system that is made up of the multi-section server searches, calculates and analyzes again, and result returns to the high in the clouds user the most at last; Install the program of download and programming, the debugging software of employing on the Cloud Server.
2. the method for the remote monitoring maintenance based on 3G and cloud computing technology as claimed in claim 1, it is characterized in that described 3G wireless telecommunications adopt dynamic IP equipment to connect and replace conventional fixedly IP device to connect, the platform high in the clouds user of the Cloud Server by far-end carries out exchanges data.
3. the method for the remote monitoring maintenance based on 3G and cloud computing technology as claimed in claim 1 is characterized in that described 3G wireless telecommunications adopt the S-LINK agreement to carry out the transmission and the reception of data, and the employing cryptographic algorithm is RSA, and secret key is 128 bit encryptions.
4. realize system based on the remote monitoring maintenance of 3G and cloud computing technology, it is characterized in that comprising the cloud supervisory computer, Cloud Server, the telesecurity communication module, the 3G router, cloud computing 3G Internet network, high in the clouds engineer's computer, Programmable Logic Controller PLC, ethernet module, multifunctional panel HMI and wireless camera, wherein: described cloud supervisory computer and Cloud Server are through connecing the telesecurity communication module, this telesecurity communication module connects the 3G router, connect high in the clouds, strange land 3G router by 3G Internet network, described high in the clouds engineer's computer connects the 3G router through the telesecurity communication module, described wireless camera and Programmable Logic Controller PLC, ethernet module, multifunctional panel HMI module is connected the telesecurity communication module with wireless ethernet with the Ethernet form respectively, connects 3G Internet network by the 3G router again.
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