CN1503094A - Petroleum and natural gas pipe line long distance monitor control system based on GSM/GPRS network - Google Patents
Petroleum and natural gas pipe line long distance monitor control system based on GSM/GPRS network Download PDFInfo
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Abstract
A petroleum and natural gas pipes remote control system based on GSM/GPRS network is to design data sending and receiving unit A of detection points on master branch pipe cc in interval, A is connected with GSM/GPRS data intermediate server E which is connected with a data receiving and sending unit B of the SCADA detection monitor and data collection system master station via GSM/GPRS public mobile data telecommunication network D, B is connected with SCADA collection system master station F is connected with a personal information receiver, G, D and E use the present technology equipments and modes, yet, E is a special channel authorized by GSM/GPRS managing departments.
Description
Technical field:
The technology that the information that the invention belongs to transmits between input-output apparatus belongs to digital radio transfer system field.Relate in particular to a kind of oil and natural gas pipeline long distance control system based on the GSM/GPRS net.
Specifically include: GSM (global system for mobile communication) global system for mobile communications.GPRS (general packet radio service) GPRS.SCADA (supervisorcontrol and data acquisition) monitoring and data acquisition system (DAS).The remote control unit of RTU (remoteterminal unie) monitoring and data acquisition system (DAS).
Background technology
Along with the startup of rock gas West-East National Gas Transmission Project, the reinforcement gradually and the rapid economic development of China of human environment protection consciousness; the demand of oil and natural gas must rapid growth; oil and natural gas pipeline engineering and city gas pipeline engineering are also understood Large scale construction surely; for guaranteeing the safe and highly efficient operation of oil and natural gas and gas system, the automation control system of Heavenly Stems and Earthly Branches spool road and city gas pipeline engineering must will be used on a large scale along with starting of these engineerings.At present, oil and natural gas pipeline mainly adopts communication mode transmission pipelines such as optical fiber communication, microwave communication, access via telephone line or satellite communication to transport parameter signal, and the input of the construction of these communication modes, maintenance and operating cost is considerable; And engineering construction also is subjected to the restriction of topography and geomorphology, urban architecture, urban transportation and wireless frequency, and there is a large amount of wastings of resources in newly-built transmission network simultaneously.
American and Britain, country such as add and all carry out relevant research energetically, but all adopt at present communication technology of satellite [1] or self-built microwave station [2], long wave [3] mode, some adopts some nodal method [4], the relevant research of China still is in the starting stage.Because of GSM/GPRS nets expansion at the early-stage, report is not all arranged both at home and abroad with transmission remote monitoring of GSM/GPRS net and control data technology.Through the scientific and technical literature update search, the tens of pieces of writing of the document of relevant data transmission about with the defeated transmission that is used for oil and natural gas branch pipeline measurement parameter of GSM/GPRS network data, are not found identical therewith patent or bibliographical information both at home and abroad as yet.
To the SCADA system of oil and natural gas pipeline employing, i.e. monitoring and data acquisition system (DAS).Its primary structure comprises control and delivery unit RTU, communication network and control center (claiming the SCADA main website).The telecommunication link that present RTU system and control center are referred to as the SCADA main website only provides news road, wireless clustered system, special line (optical fiber, DDN etc.), simulated microwave and the digital microwave telecommunication interface of conventional VHF/UHF, the communication interface and the system of wireless public mobile digital net are not provided, and utilize mobile radio communication to transmit data, do not need to build communication station, do not need to lay communication line yet, more do not need to drop into manpower and materials and carry out operation maintenance.
Summary of the invention
Patent purpose of the present invention provides a kind of oil and natural gas pipeline long distance control system based on the GSM/GPRS net, for above-mentioned general RTU provides the transceiver communication interface of increase GSM/GPRS net and the transceiver communication interface of main website of SCADA control center, form the defeated system that is used for the transmission of oil and natural gas branch pipeline measurement parameter of new GSM/GPRS network data with this.
Technology path of the present invention:
The present invention utilizes national public mobile network, detection node (especially each monitoring node of the city natural gas pipe network system) measurement parameter in the development oil and natural gas pipeline and the wireless communication transmissions passage of control signal, that is: the interface system of the GSM/GPRS network wireless of RTU among the Heavenly Stems and Earthly Branches spool road SCADA (monitoring and data acquisition system (DAS)) and main website of SCADA control center transmission, support node can be realized the wireless transfer channel of GSM/GPRS net.
Adopt the transmission of GSM/GPRS public number mobile network technology realization to duct survey parameter and control signal, particularly be applicable to the oil and natural gas pipeline main line in GSM/GPRS public number mobile network overlay area and the transmission of branch line (especially city natural gas pipe network) monitoring node operational factor and control signal, and have very high data transmission security, an economy.China has set up public number mobile network (GSM), and the user reaches more than 100,000,000.The gsm system maturation, the network operation is stable, communications safety, coverage is big, and this provides safe and reliable communication exploitation basis to our problem of research.
Can carry out reliable communication and control fully for branch line.Set up some directed repeaters for main line and carry out relay, in addition, according to absolutely accurate and requirement timely to the transmission of oil and natural gas pipeline Heavenly Stems and Earthly Branches line node operational factor and control, can provide except that optical fiber transmits adding another kind at main line is the load mode of this patent, so just can adopt the two-way transmission of data stream two-way authentication and data stream, the mathematical model of two-way check and correction verification, by to data stream two-way authentication and the two-way transmission of data stream, two-way check and correction verification, making oil and natural gas pipeline measure the parameter of transmitting is accurately, and control is reliable.
To the SCADA system of oil and natural gas branch pipeline employing, i.e. monitoring and data acquisition system (DAS).Its primary structure comprises control and communication interface unit RTU, communication network and control center.The telecommunication link of present RTU system only provides news road, wireless clustered system, special line (optical fiber, DDN etc.), simulated microwave and the digital microwave telecommunication interface of conventional VHF/UHF, because the just extensive development of GSM net, so RTU does not provide the communication interface and the receiving system of wireless public mobile digital net.GPRS is GPRS, be on GSM mobile communication network basis, to realize the high-speed mobile data service, this business can realize and the professional seamless link of existing normal data that GPRS is at the early-stage, and RTU does not more provide the communication interface and the receiving system of wireless public mobile digital net.The present invention solves centralized control, the technical matters of these communication interfaces of RTU of the distributing system pattern of distributed collection and the interface of main website of SCADA control center, just general RTU increases the transceiver communication interface of GSM/GPRS net and the transceiver communication interface of main website of SCADA control center, form the defeated transmission system that is used for oil and natural gas branch pipeline measurement parameter of new GSM/GPRS network data with this, and the method for operating of total system.
The object of the present invention is achieved like this:
Oil and natural gas pipeline long distance control system based on the GSM/GPRS net of the present invention, it is characterized in that: it includes: the data that check point is set on oil and gas pipeline Heavenly Stems and Earthly Branches line C at interval send and receiving element A; The data transmission of check point is connected GSM/GPRS data relay server E with receiving element A, GSM/GPRS data relay server E is by the reception data and the transmitting element B of the public mobile digital telecommunications network of SGM/GPRS D connection SCADA monitoring and data acquisition system (DAS) main website, and the SCADA main website receives data and is connected SCADA monitoring and the F of data acquisition system (DAS) main website with transmitting element B; SCADA monitoring and the F of data acquisition system (DAS) main website connect personal information receiver G; In this system, D and E utilize existing mechanics of communication facility and communication mode;
Wherein A is that the data of check point send and receiving element, and structure is: the routine output of the remote control unit of RTU monitoring and data acquisition system (DAS) and input interface 101 are connected the forwarding of data controller 201,202,203 of the temperature accepting RTU and transmit, flow, pressure respectively; 101 also connect the transmitting controller 204 that RTU takes orders; 101 also connect GSM/GPRS sends out/connects master controller 301; Forwarding of data controller 201,202,203 connects GSM/GPRS and sends out/connect master controller 301; Controller 302 is differentiated in transmitting controller 204 bind commands that RTU takes orders, and GSM/GPRS sends out/connects master controller 301 bind commands and differentiates controller 302; GSM/GPRS sends out/connects master controller 301 and connects GSM/GPRS and send out/connection module 401, and GSM/GPRS sends out/and connection module 401 connects the GSM/GPRS that has enlarging function and sends out/connect antenna 402;
B is that SCADA monitoring and data acquisition system (DAS) main website receive data and transmitting element, structure is: the output of SCADA control center controlling center and input interface 100 are connected GSM/GPRS sends out/connects the main control unit 501 of data and order, main control unit 501 GSM/GPRS connected in series that GSM/GPRS sent out/connect data and order send out/connect array transmitting controller 601, GSM/GPRS sends out/connects the array transmitting controller 601 data GSM/GPRS that is connected in parallel and sends out/connection module array 701,702,703,704, data GSM/GPRS sends out/connection module array 701,702,703,704 connect the GSM/GPRS that has enlarging function respectively sends out/connects antenna 801,802,803,804; The main control unit 501 that GSM/GPRS sent out/connect data and order is connected the order GSM/GPRS that send out/connects that is responsible for order and sends out/connection module 70c, order GSM/GPRS sends out/and connection module 70c connects the GSM/GPRS have enlarging function and sends out/connect main control unit 501 that antenna 80c, GSM/GPRS sent out/connect data and order and is connected main website of control center that the information of being responsible for accident sends out/connect and is responsible for responsible official GSM/GPRS to an individual zone duct and sends out/connection module 70p, and GSM/GPRS sends out/and GSM/GPRS that connection module 70p connection has an enlarging function sends out/connects antenna 80p.
The method of operating of system of the present invention comprises with the lower part:
(1) under C (oil and gas pipeline Heavenly Stems and Earthly Branches line) the operation normal condition, A (data of check point send and the receiving element) time in accordance with regulations, A sends oil and gas pipeline to B and transports temperature in the parameter, pressure and flow, concrete action is that this interface of A is with 201,202,203 accept the temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, is packaged into and meets the mobile communication mode and transmit.GSM/GPRS by 401 sends out/and connection module and 402 sends for the GSM/GPRS that has enlarging function sends out/connect day alignment B.A detects the information that whether whether has been received by B then, handles accordingly.When B did not receive this information, equipment autonomously accessed data from 302 internal storages and takes send mode to give B again.
(2) under C (oil and gas pipeline Heavenly Stems and Earthly Branches line) operation normal condition, A (data of check point send and receiving element) receives the polling order of B (the SCADA main website receives data and transmitting element), concrete action is: 301 have the judgement inspection function, order is for true, then A sends oil and gas pipeline to B and transports temperature in the parameter, pressure and flow, concrete action is that A is with 201,202,203 accept the temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference.Like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, is packaged into and meets the mobile communication mode and transmit.GSM/GPRS by 401 sends out/and connection module and 402 sends for the GSM/GPRS that has enlarging function sends out/connect day alignment B.A detects the information that whether whether has been received by B then, handles accordingly.When the main website of control center did not receive this information, equipment autonomously accessed data from 302 internal storages and takes send mode to give B again.
(3) some check points of C (oil and gas pipeline Heavenly Stems and Earthly Branches line) move under the improper situation, because 301 of A has temperature, flow, the warning data of pressure, the data that each collection is transmitted compare, find to guard against data and then initiatively take incident burst send mode, concrete action is: A is with 201,202,203 accept the improper temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the improper temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, being packaged into and meeting the mobile communication mode and promptly transmit, the GSM/GPRS by 401 sends out/and connection module and 402 promptly sends for the GSM/GPRS that has enlarging function sends out/connect a day alignment B.A detects the information that whether whether has been received by the main website of control center then, handles accordingly.When B did not receive this information, the A equipment autonomously accessed data from 302 internal storages and takes urgent send mode to give B again.
(4) by 801,802,803,804,80c, 80p is that the GSM/GPRS that has enlarging function sends out/connect antenna, 701,702,703,704 accept each with array way detects the temperature that multiple spot RTU transmits by A, flow, the data of pressure, because of 701,702,703, the 704th, array way, under control 601 and the coordination, data can not take place to be stopped up, 601 by GSM/GPRS net mode reception monitoring point measured parameter data simultaneously, to the divide into groups message decoding of its data, and after splitting the inverse operation (data integration) of data, send 501 to, whether 501 detections have received information integrity by main website of F control center, and handle accordingly., main website of F control center judges when imperfect that B initiatively sends and transmits order again when receiving this information.Can realize 1. ordering detection node to receive data again.2. the timer command detection node receives data.3. incident receives data.While 501 not only sends data again again by the monitoring point of 70c, 80c dedicated channel order appointment, and 501 also can receive and monitor whether the order that sends data again again arrives by 70c, 80c dedicated channel, guarantees to retransmit the safety of order and reliable.
(5) processing command of the normal or improper situation assigned according to the data of transmitting of the F of main website of CADA control center, then by 501,70c, 80c dedicated channel transmit, and guarantees the safety of order and reliable.A receives the order that the B of main website of control center sends, the GSM/GPRS that sends out/connect antenna and 401 by 402 GSM/GPRS that have enlarging function sends out/and connection module sends to 301, issue 302 by 301, after 302 data according to order of sending and 301 collections compare, sending to RTU by 204 carries out, and will take orders and implementation status by 204,302,301, again by 401 GSM/GPRS send out/GSM/GPRS that connection module and 402 has an enlarging function sends out/connects antenna transmission and give B, A detects the information that whether has been received by B then, handles accordingly.When B did not receive this information, equipment autonomously accessed the fill order situation from 302 internal storages, taked send mode to give B again.
(6) 70p, 80p be B according to the order of F to individual's (zone duct is responsible for the responsible official) GSM/GPRS send out/connection module and the GSM/GPRS that has an enlarging function send out/connect antenna, the information of being responsible for accident in time sends to the mobile phone that zone duct is responsible for the responsible official.
(7) 501 have corresponding database, bear record, inquiry, retrieval is carried out oil and gas pipeline by this patent mode and transported the function of supplemental characteristic and record, inquiry, retrieval transmit datamation by this patent mode situation.501 can carry out large screen display and print data record and pass to 100 just the F of main website of SCADA control center make further data processing.
(8) exchanges data between A, the B is under the environment of D, is finished by E.
(9) the numeric security guarantee of system: main website of SCADA control center and node machine all have the key in a pair of public key system separately, and wherein the node machine is put on record in the base station, and main website of SCADA control center PKI is also imported in the node machine when the node machine dispatches from the factory simultaneously; When initiating to transmit request, produce a request CR (Client Random) at random, with the PKI of node machine this request number and main website of SCADA control center identity information are encrypted, ciphertext is sent to the node machine, the node machine uses the private key of oneself to be decrypted computing after receiving information, obtain at random request number and base station information expressly, the node machine is found the PKI of main website of SCADA control center according to main website of SCADA control center log-on message table, pass main website of SCADA control center back after the random number SR (Server Random) of at random request number and own generation encrypted together, main website of SCADA control center is deciphered with the private key of oneself, obtain random request number and random number plain text, random number is sent to the node machine with the public key encryption of node machine again, obtain the plaintext of random number by the deciphering of node machine, so far, finished the authentication of main website of SCADA control center and node machine both sides identity; Simultaneously number produce this master key that is connected (Master Session Key) according to certain algorithm with random number by random request, the key of symmetric cryptographic algorithm in the data communication after being used as, therefore, the encryption key of each transmission all is at random; Encryption to real data, comprise the request of main website of SCADA control center and the result of node machine, the processing that process is following: at first, the verification that utilizes one-way hash function (Secure-Hash-Function) to calculate will to send message with, the result is encrypted with the private key of oneself, promptly sign, utilize master key and symmetric cryptographic algorithm encrypting messages and signature to send to the other side again, after the take over party receives encrypt data after the encryption, utilize the master key deciphering of oneself grasping to obtain the plaintext of message and the other side's signature, signature to the other side is deciphered with the other side's PKI, carry out verification and comparison with the plaintext that is obtained, thereby determine the validity of the cleartext information that obtains, its communication information comprises the reliable result of transmission.
The present invention compared with prior art, the advantage that has is:
System of the present invention has safety of data transmission and cheap construction, operation and maintenance cost.Oil and natural gas pipeline is built, oil and natural gas pipeline main line, branch line and gas net utilize GSM/GPRS mobile radio communication transmission data, do not need to build communication station, do not need to lay communication line yet, more do not need to drop into manpower and materials and carry out operation maintenance.Can carry out reliable communication and control fully for branch line, set up some directed repeaters for main line and carry out relay, in addition, according to absolutely accurate and requirement timely to the transmission of oil and natural gas pipeline Heavenly Stems and Earthly Branches line node operational factor and control, can provide the construction cheaply and the load mode of the another kind of this patent except that optical fiber transmits at main line, so just can adopt the two-way transmission of data stream two-way authentication and data stream, the mathematical model of two-way check and correction verification, by to data stream two-way authentication and the two-way transmission of data stream, two-way check and correction verification, making the oil and natural gas branch pipeline measure the parameter of transmitting is to reach accurately and the reliable requirement of control.
The measurement parameter of each node and controlled variable contain temperature, flow, pressure and several switching value, and these four every measurements of parameter and control once only need several bytes, and along with the development of communication, communication expense is more and more lower.The construction of various communication modes and operation maintenance expense contrast as following table:
| Communication mode | Construction cost | Operation maintenance expense (1 year) | Remarks |
| Optical fiber communication | 60,000 yuan/kilometer | 3000 yuan/kilometer | |
| Microwave communication | 1,500,000 yuan/node | 200,000 yuan/node | |
| Satellite communication | 800,000 yuan/node | 100,000 yuan/node | |
| Access via telephone line | 100,000 yuan/node | 50,000 yuan/node | |
| Adopt this patent | 1.2 ten thousand yuan/joint accounts for | 30 yuan/node |
At present, oil and natural gas pipeline mainly adopts communication mode transmission pipelines such as optical fiber communication, microwave communication, access via telephone line or satellite communication to transport parameter signal, and the input of the construction of these communication modes, maintenance and operating cost is considerable; And engineering construction also is subjected to the restriction of topography and geomorphology, urban architecture, urban transportation and wireless frequency, and there is a large amount of wastings of resources in newly-built transmission network simultaneously.American and Britain, country such as add and all carry out relevant research energetically, but all adopt at present communication technology of satellite [1] or self-built microwave station [2], long wave [3] mode, some adopts some nodal method [4], the relevant research of China still is in the starting stage.Because of GSM/GPRS nets expansion at the early-stage, report is not all arranged both at home and abroad with transmission remote monitoring of GSM/GPRS net and control data technology.Through the scientific and technical literature update search, the tens of pieces of writing of the document of relevant data transmission about with the defeated transmission that is used for oil and natural gas branch pipeline measurement parameter of GSM/GPRS network data, are not found identical therewith patent or bibliographical information both at home and abroad as yet.This shows that the present invention is a system with realistic price and world level.
Description of drawings.
Fig. 1 is the formation of overall system of the present invention: the oil and gas pipeline based on the public mobile digital telecommunications network of GSM/GPRS transports parameter transmission and the mutual synoptic diagram that transmits of order
Fig. 2 is the RTU interface unit device A module map that the oil and gas pipeline based on the public mobile digital telecommunications network of GSM/GPRS of the present invention transports parameter monitoring point
Fig. 3 is that the oil and gas pipeline branch line based on the public mobile digital telecommunications network of GSM/GPRS of the present invention transports parametrical face to the interface B of main website of SCADA control center cell arrangement module map
Fig. 4 is one of circuit of the oil and gas pipeline based on the public mobile digital telecommunications network of the GSM/GPRS of the present invention RTU interface unit device A that transports parameter monitoring point figure
Fig. 5 is two figure of the circuit of the oil and gas pipeline based on the public mobile digital telecommunications network of the GSM/GPRS of the present invention RTU interface unit device A that transports parameter monitoring point
Fig. 6 is that the oil and gas pipeline branch line based on the public mobile digital telecommunications network of GSM/GPRS of the present invention transports parametrical face and schemes to one of the interface B of main website of SCADA control center cell arrangement circuit
Fig. 7 is that the oil and gas pipeline branch line based on the public mobile digital telecommunications network of GSM/GPRS of the present invention transports two figures of parametrical face to the interface B of main website of SCADA control center cell arrangement circuit
Specific embodiment
Please refer to Fig. 1, the present invention comprises data transmission and the receiving element that A is a check point; B receives data and transmitting element for the SCADA main website; C is an oil and gas pipeline Heavenly Stems and Earthly Branches lines; D is the public mobile digital telecommunications network of SGM/GPRS; E is the service of GSM/GPRS data relay; F is the SCADA main website; G is individualized reception information.When carrying out data and order transmission between A and the B, utilize existing mechanics of communication facility and communication mode by D and E, E is undertaken by the special channels of the special approval of GSM/GPRS public mobile digital telecommunication network management department, is sent to F by B again, and B is sent to G by E during accident.
Oil and gas pipeline based on the public mobile digital telecommunications network of GSM/GPRS of the present invention transports the module of the RTU interface unit device A composition of parameter monitoring point and sees Fig. 2, and circuit diagram is seen Fig. 3.
Among Fig. 2 101 is conventional output of RTU and input interface, 201,202,203 for accepting the forwarding of data controller of temperature that RTU transmits, flow, pressure, 204 transmitting controllers that take orders for RTU, 301 send out/connect master controller for GSM/GPRS, 302 are order discriminating controller, 401 is for GSM/GPRS sends out/connection module, and 402 is that the GSM/GPRS that has enlarging function sends out/connect antenna.
This interface gives 301 with 201,202,203 data forwarding of accepting temperature that RTU transmits, flow, pressure, simultaneously 301 serial ports is also accepted the serial data of temperature that RTU transmits, flow, pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, simultaneously by 401 GSM/GPRS send out/connection module and 402 sends for the GSM/GPRS that has enlarging function sends out/connect day alignment central station.301 also have the warning data of temperature, flow, pressure, and each data are compared, and find that the warning data then initiatively send.301 also have the judgement inspection function.The order of sending for the main website of control center, 301 issue 302,302 compare according to the order of sending and 301 data of gathering after, send to RTU by 204.
The key of its software design is:
(1) the monitoring node measurement parameter contrasts by data, with grouping message coding form, is packaged into and meets the mobile communication mode and transmit.
(2) detect the information that whether has received, handle accordingly by main website.When the main website of control center did not receive this information, equipment autonomously storer internally accessed The data send mode again.
(3) finish by controller separately respectively owing to the reception to data and order sends, so the corresponding support software of master controller coordinates to finish whole system operation.
(4) master controller has the threshold value of accepting the default transmission of main website of control center, the mode capabilities of transmission.
(5) can realize that 1. the order of main website of mission control center sends data again.2. timed sending data.3. incident sends data.
(6) can finish the transmission of the communication modes that communication modes that the main website of control center triggers and RTU trigger.The communication modes that the main website of control center triggers comprises: polling mode, broadcast mode, control command issue mode.The communication modes that RTU triggers comprises: incident and burst transfer mode.
Among Fig. 3 100 is the output and the input interface of SCADA control center controlling center, the array transmitting controller is sent out/connect to 501 main control units, 601 of sending out/connect data and order for GSM/GPRS and with 501 connected in series for GSM/GPRS, 701,702,---70n sends out/the connection module array for data GSM/GPRS, 70c sends out/connection module for order GSM/GPRS, be responsible for send out/connecing of order, 70p is that the main website of control center is sent out/connection module to individual's (zone duct is responsible for the responsible official) GSM/GPRS, is responsible for the information of accident and sends out/connect.801,802,80n, 80c, 80p are that the GSM/GPRS that has enlarging function sends out/connect antenna.
By 801,802,80n, 80c be that the GSM/GPRS that has enlarging function sends out/connect antenna, 701,702,---70n accepts the data that each detects temperature that multiple spot RTU transmits, flow, pressure with array way, cause is an array way, under control 601 and the coordination, data can not take place to be stopped up, simultaneously 601 do to send to after data are integrated 501,501 carry out large screen display write down and pass to print data 100 just main website of SCADA control center be for data processing.The order that main website of SCADA control center is assigned according to the data of transmitting, then by 501,70c, 80c, dedicated channel transmit, and guarantees the safety of order and reliable.70p, 80p for send out to individual's (zone duct be responsible for responsible official) GSM/GPRS/connection module and the GSM/GPRS that has an enlarging function send out/connect antenna, the information of being responsible for accident in time is responsible for responsible official's mobile phone transmission, the safety of guarantee information and transmission reliably to zone duct.
The key of its software design is:
(1) the system central master station is by GSM/GPRS net mode receiving node measured parameter data, to the message decoding of dividing into groups of its data, and splits the inverse operation (data integration) of data.
(2) survey whether received information integrity, handle accordingly by the main website of control center.Judge when imperfect when the main website of control center receives this information, initiatively send and transmit order again.
(3) can realize 1. ordering detection node to receive data again.2. the timer command detection node receives data.3. incident receives data.
(4) corresponding database, record, inquiry, the relevant oil and gas pipeline of retrieval transport supplemental characteristic.
(5) corresponding database, record, inquiry, the relevant situation that transmits datamation of retrieval.
(6) design of matrix driving receiving software can realize not having stopping up and receive.
(7) Data Receiving, order send and individualized simultaneously (zone duct is responsible for the responsible official) sends to individual (Regional Admin) shunting and carry out, and guarantee the reliable and safety of data, order, information.
Fig. 4,5 101 be the conventional output of RTU and the input interface of monitoring point, 201,202,203,204,301,302 is 8 all types of single-chip microcomputers, such as AT89,68
* *, AT20
*, 80
*, 87
*Or the like.401 for GSM/GPRS sends out/connection module, and 402 is that the GSM/GPRS that has enlarging function sends out/connect Anneta module.
Among Fig. 6,7 501 is PC, use be conventional output and the serial/parallel interface of input, 601 for single-chip microcomputer array (2n) can use 8 all types of single-chip microcomputers, such as 89C
*, 68
* *, 20
*, 87
*Or the like, per two single-chip microcomputer P0 link to each other with the P1 mouth, and serial ports connects 701,702,703,704,70c, 70p, and a serial ports connects 501 serial ports expansion head.701,702,703,704,70c, 70p be that GSM/GPRS sends out/connection module, 801,802,803,804,80c, 80p be that the GSM/GPRS that has enlarging function sends out/connect antenna.
Claims (3)
1, based on the oil and natural gas pipeline long distance control system of GSM/GPRS net, it is characterized in that: it includes: the data of the check point that is provided with at interval on oil and natural gas pipeline Heavenly Stems and Earthly Branches line C send and receiving element A; The data transmission of check point is connected GSM/GPRS data relay server E with receiving element A, GSM/GPRS data relay server E is by the reception data and the transmitting element B of the public mobile digital telecommunications network of SGM/GPRS D connection SCADA monitoring and data acquisition system (DAS) main website, and the SCADA main website receives data and is connected SCADA monitoring and the F of data acquisition system (DAS) main website with transmitting element B; SCADA monitoring and the F of data acquisition system (DAS) main website connect personal information receiver G; In this system, D and E utilize existing mechanics of communication facility and communication mode;
Wherein A is that the data of check point send and receiving element, and structure is: the routine output of the remote control unit of RTU monitoring and data acquisition system (DAS) and input interface 101 are connected the forwarding of data controller 201,202,203 of the temperature accepting RTU and transmit, flow, pressure respectively; 101 also connect the transmitting controller 204 that RTU takes orders; 101 also connect GSM/GPRS sends out/connects master controller 301; Forwarding of data controller 201,202,203 connects GSM/GPRS and sends out/connect master controller 301; Controller 302 is differentiated in transmitting controller 204 bind commands that RTU takes orders, and GSM/GPRS sends out/connects master controller 301 bind commands and differentiates controller 302; GSM/GPRS sends out/connects master controller 301 and connects GSM/GPRS and send out/connection module 401, and GSM/GPRS sends out/and connection module 401 connects the GSM/GPRS that has enlarging function and sends out/connect antenna 402;
B is that SCADA monitoring and data acquisition system (DAS) main website receive data and transmitting element, structure is: the output of SCADA control center controlling center and input interface 100 are connected GSM/GPRS sends out/connects the main control unit 501 of data and order, main control unit 501 GSM/GPRS connected in series that GSM/GPRS sent out/connect data and order send out/connect array transmitting controller 601, GSM/GPRS sends out/connects the array transmitting controller 601 data GSM/GPRS that is connected in parallel and sends out/connection module array 701,702,703,704, data GSM/GPRS sends out/connection module array 701,702,703,704 connect the GSM/GPRS that has enlarging function respectively sends out/connects antenna 801,802,803,804; The main control unit 501 that GSM/GPRS sent out/connect data and order is connected the order GSM/GPRS that send out/connects that is responsible for order and sends out/connection module 70c, order GSM/GPRS sends out/and connection module 70c connects the GSM/GPRS have enlarging function and sends out/connect main control unit 501 that antenna 80c, GSM/GPRS sent out/connect data and order and is connected main website of control center that the information of being responsible for accident sends out/connect and is responsible for responsible official GSM/GPRS to individual-zone duct and sends out/connection module 70p, and GSM/GPRS sends out/and GSM/GPRS that connection module 70p connection has an enlarging function sends out/connects antenna 80p.
2, according to claim 1 described oil and natural pipeline long distance control system based on the GSM/GPRS net, it is characterized in that: 101 are conventional output of the RTU of monitoring point and input interface, 201,202,203,204,301,302 is 8 all types of single-chip microcomputers, 401 for GSM/GPRS sends out/connection module, and 402 is that the GSM/GPRS that has enlarging function sends out/connect Anneta module; 501 is PC, what use is conventional output and the serial/parallel interface of input, 601 are single-chip microcomputer array 2n can use 8 all types of single-chip microcomputers, per two single-chip microcomputer P0 link to each other with the P1 mouth, serial ports connects 701,702,703,704,70c, 70p, and a serial ports connects 501 serial ports expansion head; 701,702,703,704,70c, 70p be that GSM/GPRS sends out/connection module, 801,802,803,804,80c, 80p be the device that the GSM/GPRS that has enlarging function sent out/connect antenna.
3, the method for operating of the described oil and natural gas pipeline long distance control system based on GSM/GPRS net of claim 1 is characterized in that: have following operating process:
(1) under the C-oil and gas pipeline Heavenly Stems and Earthly Branches line operation normal condition, the data of A-check point send the time in accordance with regulations with receiving element, A sends oil and gas pipeline to B and transports temperature in the parameter, pressure and flow, concrete action is that this interface of A is with 201,202,203 accept the temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, is packaged into and meets the mobile communication mode and transmit; GSM/GPRS by 401 sends out/and connection module and 402 sends for the GSM/GPRS that has enlarging function sends out/connect day alignment B; A detects the information that whether whether has been received by B then, handles accordingly; When B did not receive this information, equipment autonomously accessed data from 302 internal storages and takes send mode to give B again;
(2) under C-oil and gas pipeline Heavenly Stems and Earthly Branches line operation normal condition, the data of A-check point send with receiving element and receive the polling order that the B-SCADA main website receives data and transmitting element, concrete action is: 301 have the judgement inspection function, order is for true, then A sends oil and gas pipeline to B and transports temperature in the parameter, pressure and flow, concrete action is that A is with 201,202,203 accept the temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference; Like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, is packaged into and meets the mobile communication mode and transmit; GSM/GPRS by 401 sends out/and connection module and 402 sends for the GSM/GPRS that has enlarging function sends out/connect day alignment B; A detects the information that whether whether has been received by B then, handles accordingly; When the main website of control center did not receive this information, equipment autonomously accessed data from 302 internal storages and takes send mode to give B again;
(3) the some check points at C-oil and gas pipeline Heavenly Stems and Earthly Branches line move under the improper situation, because 301 of A has temperature, flow, the warning data of pressure, the data that each collection is transmitted compare, find to guard against data and then initiatively take incident burst send mode, concrete action is: A is with 201,202,203 accept the improper temperature that RTU transmits, flow, the data forwarding of pressure gives 301,301 serial ports is also accepted the improper temperature that RTU transmits simultaneously, flow, the serial data of pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, like this, the monitoring node measurement parameter contrasts by data, with grouping message coding form, being packaged into and meeting the mobile communication mode and promptly transmit, the GSM/GPRS by 401 sends out/and connection module and 402 promptly sends for the GSM/GPRS that has enlarging function sends out/connect a day alignment B; A detects the information that whether whether has been received by the main website of control center then, handles accordingly; When B did not receive this information, equipment autonomously accessed data from 302 internal storages and takes urgent send mode to give B again;
(4) B is by 801,802,803,804,80c is that the GSM/GPRS that has enlarging function sends out/connect antenna, 701,702,703,704 accept each with array way detects the temperature that multiple spot RTU transmits by A, flow, the data of pressure, because of 701,702,703, the 704th, array way, under control 601 and the coordination, data can not take place to be stopped up, 601 by GSM/GPRS net mode reception monitoring point measured parameter data simultaneously, to the divide into groups message decoding of its data, and after splitting the inverse operation-data integration of data, send 501 to, whether 501 detections have received information integrity by main website of F control center, and handle accordingly; , main website of F control center judges when imperfect that B initiatively sends and transmits order again when receiving this information; Can realize 1. ordering detection node to receive data again; 2. the timer command detection node receives data; 3. incident receives data; While 501 not only sends data again again by the monitoring point of 70c, 80c dedicated channel order appointment, and 501 also can receive and monitor whether the order that sends data again again arrives by 70c, 80c dedicated channel, guarantees to retransmit the safety of order and reliable;
(5) processing command of the normal or improper situation assigned according to the data of transmitting of the F of main website of SCADA control center, then by 501,70c, 80c dedicated channel transmit, and guarantees the safety of order and reliable; A receives the order that the B of main website of control center sends, the GSM/GPRS that sends out/connect antenna and 401 by 402 GSM/GPRS that have enlarging function sends out/and connection module sends to 301, issue 302 by 301, after 302 data according to order of sending and 301 collections compare, sending to RTU by 204 carries out, and will take orders and implementation status by 204,302,301, again by 401 GSM/GPRS send out/GSM/GPRS that connection module and 402 has an enlarging function sends out/connects antenna transmission and give B, A detects the information that whether has been received by B then, handles accordingly; When B did not receive this information, equipment autonomously accessed the fill order situation from 302 internal storages, taked send mode to give B again;
(6) 70p, 80p to be B be responsible for responsible official GSM/GPRS according to the order of F to individual-zone duct sends out/connection module and the GSM/GPRS that has an enlarging function send out/connect antenna, the information of being responsible for accident in time sends to the mobile phone that zone duct is responsible for the responsible official;
(7) 501 have corresponding database, bear record, inquiry, retrieval is carried out oil and gas pipeline by this patent mode and transported the function of supplemental characteristic and record, inquiry, retrieval transmit datamation by this patent mode situation; 501 can carry out large screen display and print data record and pass to 100 just the F of main website of SCADA control center make further data processing;
(8) exchanges data of stating between A, the B is under the environment of D, is finished by E;
(9) the numeric security guarantee of system: main website of SCADA control center and node machine all have the key in a pair of public key system separately, and wherein the node machine is put on record in the base station, and main website of SCADA control center PKI is also imported in the node machine when the node machine dispatches from the factory simultaneously; When initiating to transmit request, produce a request CR-Client Random at random, with the PKI of node machine this request number and main website of SCADA control center identity information are encrypted, ciphertext is sent to the node machine, the node machine uses the private key of oneself to be decrypted computing after receiving information, obtain at random request number and base station information expressly, the node machine is found the PKI of main website of SCADA control center according to main website of SCADA control center log-on message table, pass main website of SCADA control center back after a random number SR-Server Random of at random request number and own generation encrypted together, main website of SCADA control center is deciphered with the private key of oneself, obtain random request number and random number plain text, random number is sent to the node machine with the public key encryption of node machine again, obtain the plaintext of random number by the deciphering of node machine, so far, finished the authentication of main website of SCADA control center and node machine both sides identity; Simultaneously number produce this master key that is connected-MasterSession Key according to certain algorithm with random number by random request, the key of symmetric cryptographic algorithm in the data communication after being used as, therefore, the encryption key of each transmission all is at random; Encryption to real data, comprise the request of main website of SCADA control center and the result of node machine, the processing that process is following: at first, the verification that utilizes one-way hash function-Secure-Hash-Function to calculate will to send message with, the result is encrypted with the private key of oneself, promptly sign, utilize master key and symmetric cryptographic algorithm encrypting messages and signature to send to the other side again, after the take over party receives encrypt data after the encryption, utilize the master key deciphering of oneself grasping to obtain the plaintext of message and the other side's signature, signature to the other side is deciphered with the other side's PKI, carry out verification and comparison with the plaintext that is obtained, thereby determine the validity of the cleartext information that obtains, its communication information comprises the reliable result of transmission.
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| CNA021491054A CN1503094A (en) | 2002-11-25 | 2002-11-25 | Petroleum and natural gas pipe line long distance monitor control system based on GSM/GPRS network |
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| CNA021491054A CN1503094A (en) | 2002-11-25 | 2002-11-25 | Petroleum and natural gas pipe line long distance monitor control system based on GSM/GPRS network |
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