CN101408756A - Remote monitoring and anglicizing system and method of nuclear power steam turbine regulation system - Google Patents
Remote monitoring and anglicizing system and method of nuclear power steam turbine regulation system Download PDFInfo
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- CN101408756A CN101408756A CNA2007100469531A CN200710046953A CN101408756A CN 101408756 A CN101408756 A CN 101408756A CN A2007100469531 A CNA2007100469531 A CN A2007100469531A CN 200710046953 A CN200710046953 A CN 200710046953A CN 101408756 A CN101408756 A CN 101408756A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a nuclear steam turbine regulating system, a remote monitoring and analyzing system, and a method thereof. The system comprises a power plant server and a remote monitoring and analyzing central server which are connected with each other by a network; wherein, the power plant server comprises a measuring configuration module, a data encryption module and a first data transmission control module which are sequentially connected. The remote monitoring and analyzing center server comprises a second data transmission control module, a data decryption module and a database which are sequentially connected. The data decryption module is also connected with a data real time service module. The network adopts a VPN encrypted data link. The method comprises a configuration measuring point, encryption data, transmission data, decryption data, an incoming data real time service module and the database. The invention can ensure that the production operation data of the nuclear steam turbine is safely transmitted to the remote monitoring and analyzing center server in a suitable and real time way.
Description
Technical field
The present invention relates to the Steam Turhine Adjustment field, relate in particular to a kind of nuclear steam turbine regulating system telemonitoring and analytic system and method.
Technical background
At present existing patent has proposed the formation scheme (patent No. GB2405492-A, March 2 2005 date issued) of a kind of generating plant telemonitoring and control system.Nuclear steam turbine regulating system telemonitoring and analytic system, be divided into central side and Power Plant Side two large divisions system, between carry out data transmission by Internet, in steam turbine plant telemonitoring and analytic centre the operational factor of nuclear steam turbine is monitored, and deposit corresponding data in database, it is carried out specialty analysis, nuclear steam turbine regulating system parameter is optimized.Wherein, remote data transmission is to realize the most important link of nuclear steam turbine regulating system telemonitoring and analytic system.But, a steam turbine for the generating plant, thousands of measuring points are generally arranged, produce mass data, and one of the main difficult point of remote data transmission just of the contradiction between the mass data and the network bandwidth, to use also be to need the major issue considered for the storage of data security, data and tissue in addition.Existing patent does not relate to security, real-time and the applicability problem of steam turbine remote data transmission, only comes transmission information by Internet, but not to studying at security, simultaneously, real-time is bad, and speed is slow.
Security is meant that data can not illegally be intercepted and decode in transmission course.Data unit operation relates to the secret of generating plant, so will prevent to be intercepted by the people in transmission course.In general, the data transmission on the internet is a plaintext transmission.For the generating plant data that security requirement is arranged,, just might be obtained by other Net-connected computer if directly pass on the internet.
Real-time is meant that the data that the generating plant steam turbine produces should pass to telemonitoring and analytic centre in real time.Consider that according to routine unit produces new data, should encrypt immediately, processing such as transmission, upload as far as possible in real time.But because the unit measuring point is many, data acquiring frequency is also than higher, so to each data individual processing, computer resource that takies on the whole and Internet resources are very big, common server and general network condition are unaffordable.So not only real-time can't be guaranteed, and total system may not normally be moved.
Applicability is meant that the data that pass to telemonitoring and analytic centre can satisfy the needs of various application, if the data of whole measuring points are all collected server, can cause the waste of resource, the problem that transmission speed is slow.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, and a kind of nuclear steam turbine regulating system telemonitoring and analytic system and method are provided, it can make the production run data of nuclear steam turbine be suitable for, be transferred in telemonitoring and the analytic centre's server in real time, safely.
The technical scheme that realizes above-mentioned purpose is:
One of the present invention's a kind of nuclear steam turbine regulating system telemonitoring and analytic system, comprise interconnected generating plant server and telemonitoring and analytic centre's server, wherein, between described generating plant server and telemonitoring and the analytic centre's server by Internet connection, wherein:
The generating plant server is provided with metadata cache, and is used for being placed on metadata cache with gathering the unit data of coming, and it comprises measuring point configuration module, data encryption module and the first Data Transmission Controlling module that links to each other successively, wherein:
The measuring point configuration module is used for selecting configuration to upload the measuring point of data and the frequency of uploading respectively at generating plant data in server buffer memory, exports one group of data then and gives data encryption module;
Data encryption module is used for the data that the measuring point configuration module sends are encapsulated and encrypt, and exports to the first Data Transmission Controlling module then;
The first Data Transmission Controlling module, the data that are used for sending from data encryption module are transmitted to telemonitoring and analytic centre's server;
Telemonitoring and analytic centre's server comprise the second Data Transmission Controlling module, data decryption module and the database that link to each other successively, and described data decryption module also links to each other with the data in real time service module, wherein:
The second Data Transmission Controlling module is used to receive the data from the first Data Transmission Controlling module, exports to the data decryption module then;
The data decryption module is used for ciphered data in the data encryption module of generating plant server is decrypted, and exports to the data in real time service module then, and writes in the database simultaneously;
The data in real time service module receives the data from the data decryption module, and data directly are provided from internal memory;
Database is used to store data;
The internet adopts the VPN encrypted data link, and data are carried out encryption and decryption automatically by VPN when this VPN encrypted data link of turnover.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytic system, wherein, described measuring point configuration module, data encryption module, the first Data Transmission Controlling module, the second Data Transmission Controlling module, data decryption module, data in real time service module all use internal memory to carry out exchanges data.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytic system, wherein, the input end and the output terminal of described VPN encrypted data link are provided with fire wall, and this VPN encrypted data link adopts the PPTP agreement so that the easier fire wall that passes.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytic system, wherein, the data encapsulation of described data encryption module adopts self-defining binary structure to encapsulate to improve security.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytic system, wherein, the Socket socket mode based on information flow is adopted in the communication between described first transmission control module and second transmission control module.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytic system wherein, adopt transmission control protocol TCP with the monitor data transmission course on the Socket socket of described information flow, guarantee data integrity.
The present invention's two a kind of nuclear steam turbine regulating system telemonitoring and analytical approach wherein, may further comprise the steps:
Step S1: the configuration measuring point, promptly in the set metadata cache of generating plant server, select module to select to upload the measuring point of data and the frequency of uploading accordingly respectively by measuring point, export then one group of data to data encryption module with enciphered data;
Step S2: enciphered data promptly encapsulates and encrypts data;
Step S3: the transmission data are about to pass through the VPN encrypted link from the generating plant Server Transport to telemonitoring and analytic centre's server through encapsulation and ciphered data;
Step S4: data decryption, be about to the enciphered data that telemonitoring and analytic centre's server receive and be decrypted, enter step S51 and S52 then respectively;
Step S51: enter the data in real time service module, data directly are provided in the internal memory;
Step S52: enter database, the data after being about to decipher write in the database.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytical approach, wherein, among the described step S3, the transmission data are by accumulating the data of certain time length earlier, and the batch processing of packing then is to reduce the occupation rate of resource.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytical approach, wherein, among described step S2 and the step S4, all adopt self-defining binary structure to carry out enciphered data and data decryption, promptly data are organized according to binary format, and the pseudo-data of self-defined therein filling part, carry out data encryption and deciphering then.
Above-mentioned a kind of nuclear steam turbine regulating system telemonitoring and analytical approach, wherein, described VPN encrypted link adopts the PPTP agreement.
The invention has the beneficial effects as follows: the present invention has developed functional modules such as measuring point configuration module, data encryption module, data decryption module, Data Transmission Controlling, can make the production run data of nuclear steam turbine be suitable for, be transferred to telemonitoring and analytic centre in real time, safely, the present invention has the following advantages:
(1) the measuring point configuration module can select to dispose measuring point and the corresponding upload frequencies of uploading data neatly, guarantees the applicability requirement.
(2) to transmitting data, guarantee the real-time requirement by internal memory operation and batch processing.
(3) data are organized according to binary format, and the pseudo-data of filling part are carried out data encryption therein, and adopt the VPN encrypted data link, guarantee security requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a process flow diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, there is shown one of the present invention's a kind of nuclear steam turbine regulating system telemonitoring and analytic system, comprise interconnected generating plant server 1 and telemonitoring and analytic centre's server 2, be connected by internet 3 between this generating plant server 1 and telemonitoring and the analytic centre server 2, wherein:
Generating plant server 1 is provided with the metadata cache (not shown), and is used for being placed on metadata cache with gathering the unit data of coming, and it comprises measuring point configuration module 11, data encryption module 12 and the first Data Transmission Controlling module 13 that links to each other successively, wherein:
Measuring point configuration module 11 is used for selecting configuration to upload the measuring point of data and the frequency of uploading respectively at the metadata cache of generating plant server 1, exports one group of data then and gives data encryption module 12;
The first Data Transmission Controlling module 13, the data that are used for sending from data encryption module 12 are transmitted to telemonitoring and analytic centre's server 2;
Telemonitoring and analytic centre's server 2 comprise the second Data Transmission Controlling module 21, data decryption module 22 and the database 24 that link to each other successively, and this data decryption module 22 also links to each other with data in real time service module 23, wherein:
The second Data Transmission Controlling module 21, be used to receive data from the first Data Transmission Controlling module 13, export to data decryption module 22 then, the Socket socket mode based on information flow is adopted in communication between this first transmission control module 13 and second transmission control module 21, adopt transmission control protocol TCP with the monitor data transmission course on the Socket socket of information flow, guarantee data integrity;
Data in real time service module 23 receives the data from data decryption module 22, and data directly are provided from internal memory;
Internet 3 adopts VPN encrypted data link 31, and data are carried out encryption and decryption automatically by VPN when this VPN encrypted data link 31 of turnover, and the VPN technologies mature and reliable is safe, can realize 64 or 128 technical grades encryptions; The input end of this VPN encrypted data link 31 and output terminal are provided with fire wall 32, and VPN encrypted data link 31 adopts the PPTP agreement so that the easier fire wall that passes.
Measuring point configuration module 11, data encryption module 12, the first Data Transmission Controlling module 13, the second Data Transmission Controlling module 21, data decryption module 22, data in real time service module 23 all use internal memory to carry out exchanges data.
See also Fig. 2, two a kind of nuclear steam turbine regulating system telemonitoring and analytical approach for the present invention may further comprise the steps:
Step S1: the configuration measuring point, promptly in the set metadata cache of generating plant server 1, select module 11 to select respectively to upload the measuring point of data and the frequency of uploading accordingly by measuring point, export then one group of data to data encryption module 12 with enciphered data;
Step S2: enciphered data promptly encapsulates and encrypts data;
Step S3: transmission data, be about to be transferred to telemonitoring and analytic centre's server 2 by the VPN encrypted link 31 that adopts the PPTP agreement from generating plant server 1 through encapsulation and ciphered data, the transmission data are by accumulating the data of certain time length earlier, and the batch processing of packing then is to reduce the occupation rate of resource;
Step S4: data decryption, be about to the enciphered data that telemonitoring and analytic centre's server 2 receive and be decrypted, enter step S51 and S52 then respectively;
Step S51: enter data in real time service module 23, data directly are provided in the internal memory;
Step S52: enter database 24, the data after being about to decipher write in the database 24.
Wherein, among step S2 and the step S4, all adopt self-defining binary structure to carry out enciphered data and data decryption, promptly data are organized according to binary format, and the pseudo-data of self-defined therein filling part, carry out data encryption and deciphering then.
In sum, the realization mechanism of system remote data transmission requirement:
1, security requirement
The present invention on the basis of internet, utilize VPN (virtual private network) (Virtual PrivateNetworking, VPN) technology are set up the generating plant---the encrypted data link between telemonitoring and the analytic centre, realize network encryption.The VPN technologies mature and reliable, safe, can realize 64 or 128 technical grades encryptions.
Data are organized according to binary format, and the pseudo-data of self-defined therein filling part, carry out data encryption then.Owing to have encrypted data link to guarantee high security, so data encryption is simple gets final product, otherwise can cross the load that increases system greatly.
2, real-time requirement
The present invention mainly guarantees the real-time of system by internal memory operation and batch processing.
In computing machine, internal memory and hard disk can be stored data, but the read or write speed of internal memory is high more a lot of than hard disk.In the present invention, except database 24 operations, other modules all use internal memory to carry out exchanges data, guarantee the speed in the data transmission procedure.In order to improve the real-time of application programs such as status monitoring, adopt data in real time service module 23 to provide data specially in addition, guaranteed the real-time performance of other application from internal memory rather than database.
The present invention has utilized following 2 actual characteristics in order to solve the contradiction of real-time and system resource:
(1) computing machine still is that one group of data is handled to data when encrypt, transmit and storage etc. operated, and the system resource that takies is the same substantially.That is to say,, can greatly reduce the occupancy of computer resource if handle again after having accumulated one group of new data.
(2) in the network transmission process, except data, other communication informations have also taken certain bandwidth, and the three-way handshake when transmitting as TCP connects and data check.Packet size no matter, the shared bandwidth of these communication informations is basic identical.Therefore and individual data compare, transmit one group of data and can save a lot of Internet resources.
For this reason, native system adopts the data of accumulation certain time length earlier, the pack way of batch processing then when realizing the remote data transmission, can significantly reduce the occupation rate of resource, and the assurance system moves normally and efficiently, with requirement of real time.
3, applicability requirement
Measuring point configuration module 11 can carry out (gathering the data of required measuring point) when data acquisition, carry out after also can all collecting server to the data of whole measuring points.Because the demand of system is not fixed, the measuring point that needs also can change thereupon, so native system selects in server, is convenient to adjust.
In server, set up metadata cache, each measuring point all has fixing position to deposit latest data in buffer memory.Based on metadata cache, measuring point configuration module 11 can carry out the selection of two aspects:
(1) selects the measuring point upload.The measuring point of uploading for needs, directly its corresponding position reading of data gets final product in the metadata cache.
(2) select the frequency upload.The upload frequencies difference that different measuring points needs, the measuring point data of change slowly that has is constant substantially in the short time,, reduces upload frequencies, thereby saves various resources according to just increasing the cycle of uploading compared with fast parameter.The measuring point configuration module can be provided with different upload frequencies to different measuring points, and with this frequency reading of data from metadata cache.
The measuring point configuration module can be adjusted configuration according to the generating plant concrete condition neatly, selects to upload measuring point and corresponding upload frequencies, has satisfied the applicability requirement.
The course of work of data transmission of the present invention is as follows:
(1) between generating plant server 1 and telemonitoring and analytic centre's server 2, sets up VPN encrypted data link 31, if authorizedly just can't not enter this passage, data are carried out other encrypt/decrypt of technical grade automatically by VPN when turnover VPN encrypted link 31.Select for use the VPN based on the PPTP agreement to connect, it is 64 bit encryptions, and Cipher Strength is enough, and enciphering rate is fast more a lot of than 128; Compare the easier passing fire wall of PPTP with other VPN agreements such as IPsec.
(2) behind the collected generating plant of the unit data server 1, be placed in the metadata cache, measuring point configuration module 11 is according to the measuring point tabulation and the sampling interval that configure, reading corresponding data from metadata cache constantly, and pass to data encryption module 12.
(3) after data encryption module 12 receives data, data are encapsulated and encrypt, pass to the first Data Transmission Controlling module then according to set communication protocol.Data encapsulation adopts self-defining binary structure, itself has certain privacy functions, and after encrypting, safety of data is improved again.This is on the VPN basis, and to encrypt be in order to prevent that data are illegally accessed the back and use, also can also not guarantee data security so that do not possess the power plant of VPN condition of contact again.
(4) after the first Data Transmission Controlling module 13 of generating plant receives data, data forwarding is given the second Data Transmission Controlling module 21 of telemonitoring and analytic centre's server 2 by internet 3.The first and second Data Transmission Controlling modules 13 and 21 actings in conjunction on the two-server, the integrality and the promptness of assurance data transmission.The Socket socket mode based on information flow is adopted in communication between them, and data flow is internal memory → network → internal memory, and network transfer speeds is the fastest under the certain situation of hardware condition; Adopt transmission control protocol TCP on the socket, the monitor data transmission course, Network Packet Loss occurring can transmit once more, guarantees data integrity.
(5) the second Data Transmission Controlling module 21 of telemonitoring and analytic centre's server 2 is passed to data decryption module 22 to the data of receiving.Data decryption module 22 is corresponding to the generating plant data encryption module, and deciphering back data can be passed to data in real time service module 23, are written into database 24 simultaneously.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (10)
1. nuclear steam turbine regulating system telemonitoring and analytic system, comprise interconnected generating plant server and telemonitoring and analytic centre's server, it is characterized in that: between described generating plant server and telemonitoring and the analytic centre's server by Internet connection, wherein:
The generating plant server is provided with metadata cache, and is used for being placed on metadata cache with gathering the unit data of coming, and it comprises measuring point configuration module, data encryption module and the first Data Transmission Controlling module that links to each other successively, wherein:
The measuring point configuration module is used for selecting configuration to upload the measuring point of data and the frequency of uploading respectively at generating plant data in server buffer memory, exports one group of data then and gives data encryption module;
Data encryption module is used for the data that the measuring point configuration module sends are encapsulated and encrypt, and exports to the first Data Transmission Controlling module then;
The first Data Transmission Controlling module, the data that are used for sending from data encryption module are transmitted to telemonitoring and analytic centre's server;
Telemonitoring and analytic centre's server comprise the second Data Transmission Controlling module, data decryption module and the database that link to each other successively, and described data decryption module also links to each other with the data in real time service module, wherein:
The second Data Transmission Controlling module is used to receive the data from the first Data Transmission Controlling module, exports to the data decryption module then;
The data decryption module is used for ciphered data in the data encryption module of generating plant server is decrypted, and exports to the data in real time service module then, and writes in the database simultaneously;
The data in real time service module receives the data from the data decryption module, and data directly are provided from internal memory;
Database is used to store data;
The internet adopts the VPN encrypted data link, and data are carried out encryption and decryption automatically by VPN when this VPN encrypted data link of turnover.
2. a kind of nuclear steam turbine regulating system telemonitoring according to claim 1 and analytic system is characterized in that: described measuring point configuration module, data encryption module, the first Data Transmission Controlling module, the second Data Transmission Controlling module, data decryption module, data in real time service module all use internal memory to carry out exchanges data.
3. a kind of nuclear steam turbine regulating system telemonitoring according to claim 1 and analytic system, it is characterized in that: the input end and the output terminal of described VPN encrypted data link are provided with fire wall, and this VPN encrypted data link adopts the PPTP agreement so that the easier fire wall that passes.
4. a kind of nuclear steam turbine regulating system telemonitoring according to claim 1 and analytic system is characterized in that: the data encapsulation of described data encryption module adopts self-defining binary structure to encapsulate to improve security.
5. a kind of nuclear steam turbine regulating system telemonitoring according to claim 1 and analytic system is characterized in that: the Socket socket mode based on information flow is adopted in the communication between described first transmission control module and second transmission control module.
6. a kind of nuclear steam turbine regulating system telemonitoring according to claim 5 and analytic system is characterized in that: adopt transmission control protocol TCP with the monitor data transmission course on the Socket socket of described information flow, guarantee data integrity.
7. nuclear steam turbine regulating system telemonitoring as claimed in claim 1 and analytical approach is characterized in that: may further comprise the steps:
Step S1: the configuration measuring point, promptly in the set metadata cache of generating plant server, select module to select to upload the measuring point of data and the frequency of uploading accordingly respectively by measuring point, export then one group of data to data encryption module with enciphered data;
Step S2: enciphered data promptly encapsulates and encrypts data;
Step S3: the transmission data are about to pass through the VPN encrypted link from the generating plant Server Transport to telemonitoring and analytic centre's server through encapsulation and ciphered data;
Step S4: data decryption, be about to the enciphered data that telemonitoring and analytic centre's server receive and be decrypted, enter step S51 and S52 then respectively;
Step S51: enter the data in real time service module, data directly are provided in the internal memory;
Step S52: enter database, the data after being about to decipher write in the database.
8. a kind of nuclear steam turbine regulating system telemonitoring according to claim 7 and analytical approach is characterized in that: among the described step S3, the transmission data are by accumulating the data of certain time length earlier, and the batch processing of packing then is to reduce the occupation rate of resource.
9. a kind of nuclear steam turbine regulating system telemonitoring according to claim 7 and analytical approach, it is characterized in that: among described step S2 and the step S4, all adopt self-defining binary structure to carry out enciphered data and data decryption, promptly data are organized according to binary format, and the pseudo-data of self-defined therein filling part, carry out data encryption and deciphering then.
10. a kind of nuclear steam turbine regulating system telemonitoring according to claim 7 and analytical approach is characterized in that: described VPN encrypted link adopts the PPTP agreement.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103281371A (en) * | 2013-05-29 | 2013-09-04 | 滁州友林科技发展有限公司 | System and method for controlling pumping unit in long distance based on 4G mobile network |
| CN103345206A (en) * | 2013-05-29 | 2013-10-09 | 滁州友林科技发展有限公司 | Remote encryption control methods for pumping unit and system thereof |
| CN103716336A (en) * | 2014-01-23 | 2014-04-09 | 国家电网公司 | Communication system based on electric power dependable computing platform communication security and method |
| CN105551220A (en) * | 2015-12-29 | 2016-05-04 | 中冶南方工程技术有限公司 | Remote data acquisition method for dry dust removal of converter gas |
| CN105551221A (en) * | 2015-12-29 | 2016-05-04 | 中冶南方工程技术有限公司 | Remote data acquisition system for dry dust removal of converter gas |
| CN105607610A (en) * | 2016-03-18 | 2016-05-25 | 济南二机床集团有限公司 | Press production line remote monitoring system and method |
| CN105955218A (en) * | 2016-06-03 | 2016-09-21 | 河北省电力建设调整试验所 | Power plant data acquisition method based on C/S structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103281371A (en) * | 2013-05-29 | 2013-09-04 | 滁州友林科技发展有限公司 | System and method for controlling pumping unit in long distance based on 4G mobile network |
| CN103345206A (en) * | 2013-05-29 | 2013-10-09 | 滁州友林科技发展有限公司 | Remote encryption control methods for pumping unit and system thereof |
| CN103345206B (en) * | 2013-05-29 | 2016-09-21 | 滁州友林科技发展有限公司 | Oil pumper remote encryption control method and system |
| CN103716336A (en) * | 2014-01-23 | 2014-04-09 | 国家电网公司 | Communication system based on electric power dependable computing platform communication security and method |
| CN105551220A (en) * | 2015-12-29 | 2016-05-04 | 中冶南方工程技术有限公司 | Remote data acquisition method for dry dust removal of converter gas |
| CN105551221A (en) * | 2015-12-29 | 2016-05-04 | 中冶南方工程技术有限公司 | Remote data acquisition system for dry dust removal of converter gas |
| CN105551221B (en) * | 2015-12-29 | 2019-01-25 | 中冶南方工程技术有限公司 | A kind of remote data acquisition system of dry dedusting of converter |
| CN105607610A (en) * | 2016-03-18 | 2016-05-25 | 济南二机床集团有限公司 | Press production line remote monitoring system and method |
| CN105955218A (en) * | 2016-06-03 | 2016-09-21 | 河北省电力建设调整试验所 | Power plant data acquisition method based on C/S structure |
| CN110955196A (en) * | 2018-09-27 | 2020-04-03 | 北京国双科技有限公司 | Processing method and system for production process index data |
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