CN1566744A - Urban natural gas pipe network detection and control system - Google Patents
Urban natural gas pipe network detection and control system Download PDFInfo
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Abstract
An urban nature gas pipe network detection and control system comprises: (1) SCADA (supervisor control and data acquisition system, SCADA central station or SCADA master station for short). (2) RTU (remote terminal unit of supervisor control and data acquisition system). The urban nature gas pipe network SCADA system consists of: A, check point data transmitting and receiving unit; B, a SCADA master station data receiving and transmitting unit; C, urban nature gas pipe network nodes; D, public digital mobile communication network; E, public digital mobile communication data transfer service; F, SCADA master station; and G, personal receipt information. In said system, D and E utilize existing communication technology facilities and communication mode, but E is provided with special channel specially approved by public digital mobile communication network administration. The invented system has high data transmission security and system control reliability.
Description
Technical field:
The technology that the information that the invention belongs to transmits between input-output apparatus belongs to digital radio conveying system field.Relate in particular to a kind of supervisory system of city natural gas pipe network operation.
Explanation of nouns:
City natural gas pipe network comprises: local natural gas transmission and distribution pipe network, rock gas storage and distribution station, the regulating-metering station of rock gas branch pipeline and city that connects the rock gas main conduit formed.
The digital carrier of its monitor supervision platform of city natural gas pipe network is a public digital mobile communication network, and public digital mobile communication network comprises: GSM (global system for mobile communication) GSM Global System for Mobile Communication/GPRS (general packet radio service) GPRS and CDMA (code division multiple access) CDMA radio business.
City natural gas pipe network Detection ﹠ Controling system comprises: (1) SCADA (supervisor controland data acquisition) monitoring and data acquistion system, be called for short SCADA central station or SCADA main website.(2) remote control unit of RTU (remote terminal unit) monitoring and data acquistion system.
Said system also claims city natural gas pipe network SCADA system or city natural gas pipe network Detection ﹠ Controling system.
Background technique
Along with the growth of China's economic strength and the raising of living standards of the people, people increase rapidly the demand of the energy, and also in aggravation thereupon, the atmospheric pollution of Chinese city is particularly serious in the pollution of environment.Building up of the landmark project West-East National Gas Transmission Project of development of the West Regions will promote the Urban Gas Distribution Networks engineering to start in a large number, the rock gas that is referred to as green energy resource by people will be used in most of city by China, and the pressure of city environmental pollution is alleviated in the utilization of rock gas by force.On the one hand, rock gas is a kind of inflammable and explosive gas, and rock gas storage and the safety requirement of carrying are very high; On the other hand, the metering of city gas and statistics are also very loaded down with trivial details; For guaranteeing that city natural gas pipe network moves safely and efficiently, effectively the monitoring means are very important.The utilization starting of China's city gas is than later, and National urban natural gas gasifying rate is less than 5%, and development space is also very big.In addition, according to investigations, domestic city natural gas transmission and distribution system is still adopting more original control mode (people is for patrolling and examining and the valve control of relying on oneself) at present, and this Passive Control mode is unfavorable for tackling burst accident and the gas phenomenon is stolen in gas leakage.This demand is also just being catered in the development of city natural gas pipe network SCADA system.
Aspect natural gas line control, all carry out relevant research both at home and abroad energetically, but all adopt at present be subjected to topography and geomorphology, urban architecture, urban transportation, wireless frequency restrictions and construction cost higher, build difficulty is big, the maintenance operation expense is high modes such as optical fiber communication, satellite communication and self-built Microwave Station communication port as the automatic system communications, and, these modes mainly are used on the gas transmission main pipeline, also are difficult to apply in the city natural gas pipe network.In addition, also be new developing technology just in recent years at the public digital mobile communication network transmitting data, also do not apply it to city natural gas pipe network both at home and abroad and control up, report is not all arranged both at home and abroad yet.Through the scientific and technical literature update search, do not find identical therewith patent or bibliographical information both at home and abroad as yet.
The SCADA system of city natural gas pipe network, i.e. monitoring and data acquistion system.Its main structure comprises control and delivery unit RTU, communication network and control centre (claiming the SCADA main website).Notice that simultaneously the telecommunication link that RTU system and control centre are referred to as the SCADA main website only provides conventional wired, wireless, analog-and digital-communication interface, the communication interface and the system of public mobile digital net are not provided, and utilize mobile radio communication to transmit data, do not need self-built communications system, can reduce greatly engineering cost and reduction of erection time like this, more 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 city natural gas pipe network SCADA system., for above-mentioned RTU provides the transceiver communication interface and the control system of transceiver communication interface and the control system and the main website of SCADA control centre of public digital mobile communication network, form the new transmission that utilizes public digital mobile communication network transmission city natural gas pipe network measurement parameter and the system of control with this.
Technology path of the present invention:
The present invention utilizes public digital mobile communication network, the detection node measurement parameter in the development city natural gas pipe network and the wireless communication transmissions passage and the control system of control signal, that is: the interface and the control system of the public digital mobile communication network network wireless transmission of the RTU of city natural gas pipe network SCADA system and main website of SCADA control centre realize rock gas city webmaster wireless transfer channel and control system with public digital mobile communication network.
Adopt transmission and the control of public number mobile communication technology realization to urban duct net measurement parameter and control signal, particularly be applicable to the city natural gas pipe network monitoring node Operational Limits in public number mobile communication overlay area and the transmission of control signal, and have very high data transmission security, an Economy.China has set up the public number mobile network, and the user reaches more than 200,000,000.The mobile communication system maturation, the network operation is stable, communications safety, coverage area is big, and this provides safe and reliable communication exploitation basis to our problem of research.City natural gas pipe network utilizes public digital mobile communication network transmission data parameters and control, and the present invention has safety of data transmission and cheap construction, operation and maintenance cost.Can carry out reliable communication and control fully for city natural gas pipe network.
The SCADA system of city natural gas pipe network, i.e. monitoring and data acquistion system.Its main structure comprises control and delivery unit RTU, communication network and control centre (claiming the SCADA main website).The telecommunication link that present RTU system and control centre are referred to as the SCADA main website only provides conventional wired, wireless, analog-and digital-communication interface, and the communication interface and the system of public mobile digital net is not provided.The present invention solves centralized control, the technology and the control problem of these communication interfaces of RTU of the distributing system pattern of distributed collection and the interface of control and main website of SCADA control centre, just RTU is in the transceiver communication interface and the control system of transceiver communication interface and the control and the main website of SCADA control centre of public digital mobile communication network, form new delivery system and the control system of utilizing public digital mobile communication network transmission city natural gas pipe network measurement parameter with this, and the operating method of whole system.
The object of the present invention is achieved like this:
City natural gas pipe network SCADA of the present invention system, it is characterized in that: it includes: the data that Check point is set on the key node C such as the regulating-metering station of city natural gas pipe network and storage and distribution station send and receive control unit A; The data of Check point send with reception control unit A and are connected public number mobile data transfer server E, public number mobile data transfer server E is by the reception data and the sending controling unit B of the public mobile digital communication network of SGM/GPRS D connection SCADA monitoring and data acquistion system main website, and the SCADA main website receives data and is connected SCADA monitoring and the F of data acquistion system main website with sending controling unit B; SCADA monitoring and the F of data acquistion system 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 receive control unit, and structure is: the output of the remote control unit of RTU monitoring and data acquistion system and input interface 101 are connected the forwarding of data controller 201,202,203,204,205 of the makings accepting RTU and transmit, switching value, temperature, flow, pressure respectively; The remote-scale control valve unit of RTU monitoring and data acquistion system and the input interface 101-1 of switch also are connected the transmitting controller 206 that RTU takes orders; 101 also connect the public number mobile communication sends out/connects master controller 301; Forwarding of data controller 201,202,203,204,205 connects the public number mobile communication and sends out/connect master controller 301; Controller 302 is differentiated in transmitting controller 206 bind commands that RTU takes orders, and the public number mobile communication is sent out/connect master controller 301 bind commands and differentiates controller 302; The public number mobile communication is sent out/is connect master controller 301 and connects the public number mobile communication and send out/connection module 401, and the public number mobile communication sends out/and connection module 401 connects the public number mobile communication that has enlarging function and sends out/connect antenna 402;
B is that SCADA monitoring and data acquistion system main website receive data and transmitting element, structure is: the output of SCADA control centre controlling center is connected the main control unit 501 that data and order were sent out/connect to the public number mobile communication with input interface 100, the public number mobile communication is sent out/is connect the main control unit 501 public number mobile communication connected in series of data and order and sends out/connect array transmitting controller 601, the public number mobile communication is sent out/is connect the array transmitting controller 601 data public number mobile communication that is connected in parallel and sends out/connection module array 701,702,703,704, data public number mobile communication is sent out/connection module array 701,702,703,704 connect the public number mobile communication that has enlarging function respectively sends out/connects antenna 801,802,803,804; The main control unit 501 that data and order were sent out/connect to the public number mobile communication is connected the order public number mobile communication that send out/connects of being responsible for order and sends out/connection module 70c, order public number mobile communication sends out/and connection module 70c connects the public number mobile communication that has enlarging function and sends out/connect antenna 80c, the main control unit 501 that data and order were sent out/connect to the public number mobile communication is connected main website of control centre that the information of being responsible for accident sends out/connect to be responsible for Line Leader's public number mobile communication to individual-zone duct and to send out/connection module 70p, and the public number mobile communication sends out/and connection module 70p connects the public number mobile communication that has enlarging function and sends out/connect antenna 80p.
The operating method of system of the present invention comprises with the bottom:
(1) under C (city natural gas pipe network) the operation normal condition, A (data of Check point send and the receiving element) time in accordance with regulations, A sends city natural gas pipe network to B and transports makings in the parameter, switching value, temperature, pressure and flow, concrete action is that this interface of A is with 201,202,203,204,205 accept the makings that RTU transmits, switching value, temperature, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the makings that RTU transmits simultaneously, switching value, temperature, 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, be packaged into and meet the mobile communication mode and transmit.Public number mobile communication by 401 sends out/and connection module and 402 sends out/connects day alignment B for the public number mobile communication that has enlarging function and send.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 (city natural gas pipe network) 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 Shicheng city gas distributing system to B and transports makings in the parameter, switching value, temperature, pressure and flow, concrete action is that A is with 201,202,203,204,205 accept the temperature that RTU transmits, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the makings that RTU transmits simultaneously, switching value, temperature, 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.Public number mobile communication by 401 sends out/and connection module and 402 sends out/connects day alignment B for the public number mobile communication that has enlarging function and send.A detects the information that whether whether has been received by B then, handles accordingly.When the main website of control centre 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 (city natural gas pipe network) move under the improper situation, because 301 of A has makings, 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 201,202,203,204,205 accept the improper makings that RTU transmits, switching value, temperature, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the improper makings that RTU transmits simultaneously, switching value, temperature, 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, be packaged into and meet the mobile communication mode and promptly transmit, by 401 public number mobile communication send out/connection module and 402 sends out/connects a day alignment B for the public number mobile communication that has enlarging function and promptly send.A detects the information that whether whether has been received by the main website of control centre 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 antenna is sent out/connect to the public number mobile communication that has enlarging function, 701,702,703,704 accept each with array way detects the makings that multiple spot RTU transmits by A, temperature, 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, simultaneously 601 receive the monitoring point measured parameter data by the public digital mobile communication network mode, 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 centre, and handle accordingly., main website of F control centre 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 centre, 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 centre sends, by the public number mobile communication that antenna and 401 were sent out/connect to the 402 public number mobile communication that have enlarging function send out/connection module sends to 301, issue 302 by 301, after 302 data according to order of sending and 301 collections compare, carry out the size of proportion valve and the task of closing of switching value by 206 101-1 that send to RTU, and will take orders and implementation status by 206,302,301, again by 401 public number mobile communication send out/public number mobile communication that connection module and 402 has an enlarging function sends out/connects antenna and send to 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 (the regional city gas distributing system is responsible for the Line Leader) public number mobile communication send out/connection module and the public number mobile communication that has an enlarging function send out/connect antenna, the information of being responsible for accident in time sends to the mobile phone that the regional city gas distributing system is responsible for the Line Leader.
(7) 501 have corresponding database, bear record, inquiry, retrieval is carried out city natural gas pipe network 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 disply and print data record and pass to 100 just the F of main website of SCADA control centre 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: the mathematical model of this patent employing data stream two-way authentication and the two-way transmission of data stream, 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 city natural gas pipe network measure the parameter of transmitting is to reach accurately and the reliable requirement of control.
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.The city natural gas pipe network construction utilizes public digital mobile communication network transmission data and control operation, does not need to build communication station, does not also need to lay communication line, does not more need to drop into manpower and materials and carries out operation maintenance.According to absolutely accurate and requirement timely to the transmission of city natural gas pipe network node Operational Limits and control, the mathematical model of this patent employing data stream two-way authentication and the two-way transmission of data stream, 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 city natural gas pipe network measure the parameter of transmitting is to reach accurately and the reliable requirement of control.
The measurement parameter of each node and Control Parameter contain the proportional quantities of makings, temperature, flow, pressure and several switching value and valve, and every measurement of this Several Parameters 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 |
| Short-wave radio set | 60,000 yuan/node | 10,000 yuan | |
| Spread spectrum microwave | 50,000 yuan/node | 10,000 yuan |
| Optical fiber communication | 150,000 yuan/kilometer | 1500 yuan/kilometer | |
| Microwave communication | 1,500,000 yuan/node | 200,000 yuan/node | |
| Satellite communication | 400,000 yuan/node | 50,000 yuan/node | |
| Access via telephone line | 100,000 yuan/node | 50,000 yuan/node | |
| Adopt this patent | 1.2 ten thousand yuan/node | 60 yuan/node |
Description of drawings.
Fig. 1 is the formation of overall system of the present invention: utilize the city natural gas pipe network of public digital mobile communication network to transport parameter transmission and the mutual schematic representation that transmits of order
Fig. 2 is a RTU interface unit device A module map of utilizing public digital mobile communication network transmission city natural gas pipe network to transport parameter monitoring point of the present invention
Fig. 3 is that the public digital mobile communication network transmission city natural gas pipe network that utilizes of the present invention transports parametrical face to the interface B of main website of SCADA control centre cell arrangement module map
Fig. 4 is that one of circuit that utilizes the RTU interface unit device A that public digital mobile communication network transmission city natural gas pipe network transports parameter monitoring point of the present invention is schemed
Fig. 5 is two figure that utilize the circuit of the RTU interface unit device A that public number mobile communication communication network transmission city natural gas pipe network transports parameter monitoring point of the present invention
Fig. 6 is the another kind of circuit A-1 circuit diagram of RTU interface unit device A
Fig. 7 of the present inventionly utilizes public digital mobile communication network transmission city natural gas pipe network to transport parametrical face to scheme to one of the interface B of main website of SCADA control centre cell arrangement circuit
Fig. 8 is that the public digital mobile communication network transmission city natural gas pipe network that utilizes of the present invention transports two figures of parametrical face to the interface B of main website of SCADA control centre 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 the city natural gas pipe network node; D is a public digital mobile communication network; E is public number mobile data transfer service; 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 public digital mobile communication network managerial department, is sent to F by B again, and B is sent to G by E during accident.
The city natural gas pipe network that utilizes public digital mobile communication network of the present invention transports the module that the RTU interface unit device A of parameter monitoring point forms and sees Fig. 2, and circuit diagram is seen Fig. 3.
Among Fig. 2 101 is conventional output of RTU and input interface, 201,202,203,204,205 for accepting the forwarding of data controller of makings that RTU transmits, switching value, temperature, flow, pressure, 206 transmitting controllers that take orders for RTU, 301 send out/connect master controller for the public number mobile communication, 302 are order discriminating controller, 401 for sending out/connection module for the public number mobile communication, and 402 is that antenna is sent out/connect to the public number mobile communication that has enlarging function.
This interface is transmitted to 301 with 201,202,203,204,205 data of accepting temperature that RTU transmits, flow, pressure, simultaneously 301 serial ports is also accepted the serial data of makings that RTU transmits, switching value, temperature, flow, pressure, these two groups of data are compared, for very, 301 issue 302 for future reference, simultaneously by 401 public number mobile communication send out/connection module and 402 sends out/connects day alignment central station for the public number mobile communication that has enlarging function and send.301 also have the warning data of makings, switching value, 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 centre, 301 issue 302,302 compare according to the order of sending and 301 data of gathering after, send to RTU101 and 101-1 (ratio adjusting valve) by 206.
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 centre did not receive this information, equipment autonomously storage 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 centre, 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 centre triggers and RTU trigger.The communication modes that the main website of control centre triggers comprises: polling mode, broadcast mode, control command issue mode.The communication modes that RTU triggers comprises: incident and burst acoustic emission signal mode.
Among Fig. 3 100 is the output and the input interface of SCADA control centre controlling center, 501 send out/connect the main control unit of data and order for the public number mobile communication, 601 send out/connect the array transmitting controller and with 501 connected in series for the public number mobile communication, 701,702,---70n is that data public number mobile communication is sent out/the connection module array, 70c sends out/connection module for order public number mobile communication, be responsible for send out/connecing of order, 70p is that the main website of control centre is sent out/connection module to individual's (zone duct is responsible for the Line Leader) public number mobile communication, is responsible for the information of accident and sends out/connect.801,802,80n, 80c, 80p are that antenna is sent out/connect to the public number mobile communication that has enlarging function.
By 801,802,80n, 80c be that antenna is sent out/connect to the public number mobile communication that has enlarging function, 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 disply write down and pass to print data 1 00 just main website of SCADA control centre be for data processing.The order that main website of SCADA control centre 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 Line Leader) public number mobile communication/connection module and the public number mobile communication that has an enlarging function send out/connect antenna, the information of being responsible for accident in time is responsible for Line Leader'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 public digital mobile communication network 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 centre.Judge when imperfect when the main website of control centre 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 city natural gas pipe network 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 reception, order transmission and individualize simultaneously (zone duct is responsible for the Line Leader) send to individual (Regional Admin) shunting carries out the reliable and safety of assurance data, order, information.
101 is the conventional output of RTU and the input interface of monitoring point among Fig. 4,5,6, and the 101-1 of Fig. 6 is all types of D/A converter, can be 8 and 16, control valve.201,202,203,204,205,206,301,302 is 8 all types of single-chip microcomputers, such as AT89,68
* *, AT20
*, 80
*, 87
*Or the like.401 send out/connection module for the public number mobile communication, and 402 send out/connect Anneta module for the public number mobile communication that has enlarging function.
Fig. 7, in 501 be 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 send out/connection module for the public number mobile communication, 801,802,803,804,80c, 80p be that antenna is sent out/connect to the public number mobile communication that has enlarging function.
Claims (3)
1, city natural gas pipe network Detection ﹠ Controling system, it is characterized in that: it includes: the data that Check point is set on the key node C such as the regulating-metering station of city natural gas pipe network and storage and distribution station send and reception control unit A; The data of Check point send with reception control unit A and are connected public number mobile data transfer server E, public number mobile data transfer server E is by the reception data and the sending controling unit B of public mobile digital communication network D connection SCADA monitoring and data acquistion system main website, and the SCADA main website receives data and is connected SCADA monitoring and the F of data acquistion system main website with sending controling unit B; SCADA monitoring and the F of data acquistion system 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 receive control unit, and structure is: the output of the remote control unit of RTU monitoring and data acquistion system and input interface 101 are connected the forwarding of data controller 201,202,203,204,205 of the makings accepting RTU and transmit, switching value, temperature, flow, pressure respectively; The remote-scale control valve unit of RTU monitoring and data acquistion system and the input interface 101-1 of switch also are connected the transmitting controller 206 that RTU takes orders; 101 also connect the public number mobile communication sends out/connects master controller 301; Forwarding of data controller 201,202,203,204,205 connects the public number mobile communication and sends out/connect master controller 301; Controller 302 is differentiated in transmitting controller 206 bind commands that RTU takes orders, and the public number mobile communication is sent out/connect master controller 301 bind commands and differentiates controller 302; The public number mobile communication is sent out/is connect master controller 301 and connects the public number mobile communication and send out/connection module 401, and the public number mobile communication sends out/and connection module 401 connects the public number mobile communication that has enlarging function and sends out/connect antenna 402;
B is that SCADA monitoring and data acquistion system main website receive data and transmitting element, structure is: the output of SCADA control centre controlling center is connected the main control unit 501 that data and order were sent out/connect to the public number mobile communication with input interface 100, the public number mobile communication is sent out/is connect the main control unit 501 public number mobile communication connected in series of data and order and sends out/connect array transmitting controller 601, the public number mobile communication is sent out/is connect the array transmitting controller 601 data public number mobile communication that is connected in parallel and sends out/connection module array 701,702,703,704, data public number mobile communication is sent out/connection module array 701,702,703,704 connect the public number mobile communication that has enlarging function respectively sends out/connects antenna 801,802,803,804; The main control unit 501 that data and order were sent out/connect to the public number mobile communication is connected the order public number mobile communication that send out/connects of being responsible for order and sends out/connection module 70c, order public number mobile communication sends out/and connection module 70c connects the public number mobile communication that has enlarging function and sends out/connect antenna 80c, the main control unit 501 that data and order were sent out/connect to the public number mobile communication is connected main website of control centre that the information of being responsible for accident sends out/connect to be responsible for Line Leader's public number mobile communication to individual-zone duct and to send out/connection module 70p, and the public number mobile communication sends out/and connection module 70p connects the public number mobile communication that has enlarging function and sends out/connect antenna 80p;
SCADA monitoring and the F of data acquistion system main website connect personal information receiver G; In this system, D and E utilize existing mechanics of communication facility and communication mode.
2, according to the described city natural gas pipe network SCADA of claim 1 system, it is characterized in that: 101 are conventional output of the RTU of monitoring point and input interface, and 101-1 is all types of D/A converter, can be 8 and 16, control valve; 201,202,203,204,205,206,301,302 is 8 all types of single-chip microcomputers, such as AT89,68
* *, AT20
*, 80
*, 87
*Or the like; 401 send out/connection module for the public number mobile communication, and 402 send out/connect Anneta module for the public number mobile communication that has enlarging function; 501 is PC, use be conventional output and the serial/parallel interface of input, 601 can use 8 all types of single-chip microcomputers for single-chip microcomputer array 2n, 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 send out/connection module for the public number mobile communication, 801,802,803,804,80c, 80p be that antenna is sent out/connect to the public number mobile communication that has enlarging function.
3, the operating method of the described city natural gas pipe network SCADA of claim 1 system is characterized in that having following operating process:
(1) under the C-city natural gas pipe network operation normal condition, the data of A-Check point send and the receiving element time in accordance with regulations, A sends city natural gas pipe network to B and transports makings in the parameter, switching value, temperature, pressure and flow, concrete action is that this interface of A is with 201,202,203,204,205 accept the makings that RTU transmits, switching value, temperature, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the makings that RTU transmits simultaneously, switching value, temperature, 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, be packaged into and meet the mobile communication mode and transmit; Public number mobile communication by 401 sends out/and connection module and 402 sends out/connects day alignment B for the public number mobile communication that has enlarging function and send; 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-city natural gas pipe network 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 Shicheng city gas distributing system to B and transports makings in the parameter, switching value, temperature, pressure and flow, concrete action is that A is with 201,202,203,204,205 accept the temperature that RTU transmits, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the makings that RTU transmits simultaneously, switching value, temperature, 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; Public number mobile communication by 401 sends out/and connection module and 402 sends out/connects day alignment B for the public number mobile communication that has enlarging function and send; A detects the information that whether whether has been received by B then, handles accordingly; When the main website of control centre 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-city natural gas pipe network move under the improper situation, because 301 of A has makings, 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 201,202,203,204,205 accept the improper makings that RTU transmits, switching value, temperature, flow, the data of pressure are transmitted to 301,301 serial ports is also accepted the improper makings that RTU transmits simultaneously, switching value, temperature, 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, be packaged into and meet the mobile communication mode and promptly transmit, by 401 public number mobile communication send out/connection module and 402 sends out/connects a day alignment B for the public number mobile communication that has enlarging function and promptly send; A detects the information that whether whether has been received by the main website of control centre 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 antenna is sent out/connect to the public number mobile communication that has enlarging function, 701,702,703,704 accept each with array way detects the makings that multiple spot RTU transmits by A, temperature, 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, simultaneously 601 receive the monitoring point measured parameter data by the public digital mobile communication network mode, to the divide into groups message decoding of its data, and split the inverse operation of data--after the data integration, send 501 to, whether 501 detections have received information integrity by main website of F control centre, and handle accordingly; , main website of F control centre 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 centre, 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 centre sends, by the public number mobile communication that antenna and 401 were sent out/connect to the 402 public number mobile communication that have enlarging function send out/connection module sends to 301, issue 302 by 301, after 302 data according to order of sending and 301 collections compare, carry out the size of proportion valve and the task of closing of switching value by 206 101-1 that send to RTU, and will take orders and implementation status by 206,302,301, again by 401 public number mobile communication send out/public number mobile communication that connection module and 402 has an enlarging function sends out/connects antenna and send to 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 the individual--the regional city gas distributing system is responsible for Line Leader--public number mobile communication send out/connection module and the public number mobile communication that has an enlarging function send out/connect antenna, the information of being responsible for accident in time sends to the mobile phone that the regional city gas distributing system is responsible for the Line Leader;
(7) 501 have corresponding database, bear record, inquiry, retrieval is carried out city natural gas pipe network 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 disply and print data record and pass to 100 just the F of main website of SCADA control centre 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: the mathematical model of this patent employing data stream two-way authentication and the two-way transmission of data stream, 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 city natural gas pipe network measure the parameter of transmitting is to reach accurately and the reliable requirement of control.
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|---|---|---|---|
| CN 03130260 CN1566744A (en) | 2003-06-26 | 2003-06-26 | Urban natural gas pipe network detection and control system |
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| CN 03130260 CN1566744A (en) | 2003-06-26 | 2003-06-26 | Urban natural gas pipe network detection and control system |
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| CN1566744A true CN1566744A (en) | 2005-01-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449199C (en) * | 2006-08-30 | 2009-01-07 | 姬文超 | In-service pipeline corrosion and leakage safety monitoring and early warning system and control method thereof |
| CN101660663B (en) * | 2009-03-02 | 2012-10-03 | 重庆和航科技股份有限公司 | Water pressure remote monitoring management system of fire-fighting water supply network |
| CN102779198A (en) * | 2011-05-13 | 2012-11-14 | 中国石油天然气股份有限公司 | Method for building dynamic simulation system of natural gas pipeline network conveying system |
| CN104092688A (en) * | 2014-07-14 | 2014-10-08 | 上海航天能源股份有限公司 | Natural gas pipeline network pressure-regulating system allowing curve to be remotely preset |
| CN104122872A (en) * | 2014-07-29 | 2014-10-29 | 成都国光电子仪表有限责任公司 | Natural gas station yard monitoring method |
| CN104199401A (en) * | 2014-08-17 | 2014-12-10 | 成都国光电子仪表有限责任公司 | Monitoring device for rapidly finding out leakage at natural gas station |
| CN110285323A (en) * | 2019-05-16 | 2019-09-27 | 中石化石油工程技术服务有限公司 | Natural gas line based on SCADA system standardizes integration module |
| CN110515340A (en) * | 2019-07-09 | 2019-11-29 | 深圳市中燃科技有限公司 | A kind of inspection remote power feeding system and its method cooperateing with protection with fire-fighting system |
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2003
- 2003-06-26 CN CN 03130260 patent/CN1566744A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449199C (en) * | 2006-08-30 | 2009-01-07 | 姬文超 | In-service pipeline corrosion and leakage safety monitoring and early warning system and control method thereof |
| CN101660663B (en) * | 2009-03-02 | 2012-10-03 | 重庆和航科技股份有限公司 | Water pressure remote monitoring management system of fire-fighting water supply network |
| CN102779198A (en) * | 2011-05-13 | 2012-11-14 | 中国石油天然气股份有限公司 | Method for building dynamic simulation system of natural gas pipeline network conveying system |
| CN102779198B (en) * | 2011-05-13 | 2015-01-21 | 中国石油天然气股份有限公司 | Method for building dynamic simulation system of natural gas pipeline network conveying system |
| CN104092688A (en) * | 2014-07-14 | 2014-10-08 | 上海航天能源股份有限公司 | Natural gas pipeline network pressure-regulating system allowing curve to be remotely preset |
| CN104122872A (en) * | 2014-07-29 | 2014-10-29 | 成都国光电子仪表有限责任公司 | Natural gas station yard monitoring method |
| CN104199401A (en) * | 2014-08-17 | 2014-12-10 | 成都国光电子仪表有限责任公司 | Monitoring device for rapidly finding out leakage at natural gas station |
| CN110285323A (en) * | 2019-05-16 | 2019-09-27 | 中石化石油工程技术服务有限公司 | Natural gas line based on SCADA system standardizes integration module |
| CN110515340A (en) * | 2019-07-09 | 2019-11-29 | 深圳市中燃科技有限公司 | A kind of inspection remote power feeding system and its method cooperateing with protection with fire-fighting system |
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