CN202043130U - Remote control system for power station - Google Patents
Remote control system for power station Download PDFInfo
- Publication number
- CN202043130U CN202043130U CN2010206309641U CN201020630964U CN202043130U CN 202043130 U CN202043130 U CN 202043130U CN 2010206309641 U CN2010206309641 U CN 2010206309641U CN 201020630964 U CN201020630964 U CN 201020630964U CN 202043130 U CN202043130 U CN 202043130U
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- Prior art keywords
- power station
- client
- control system
- remote control
- data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
Abstract
The utility model provides a remote control system for a power station, which comprises a server-side and at least one client-side. The server-side and at least one client-side are connected in communication mode through the third generation telecommunication (3G) internets. Each client-side includes a control unit for acquiring running data of the power station, a data terminal unit (DTU) for receiving data transmitting from the control unit, a 3G card connected with serial ports of the DTU and used for realizing the connection in communication mode between the server-side and each client-side. Compared with the prior art, the remote control system for the power station has effective data transceiving rate, realizes a network connection which never causes disconnection, and improves the real-time performance and stability of the remote control of the power station of a power system.
Description
Technical field
The utility model relates to the power station remote control system, particularly based on the power station remote control system of 3G communication network and DTU (Data Terminal Unit).
Background technology
To the collection of the service data in power station and the characteristics of monitoring: in real time, accurately, uninterrupted, lasting.Yet, consider the position of building a station in power station generally all to be to be in the more incomplete geographical position of network environment, the transfer of data of cable network also is not easy to realize, and also there is certain unsteadiness in long-range wire communication.
Existing network communication mainly is wired and wireless two kinds, because the power station generally all is to be in the more incomplete geographical position of network environment, cable network not necessarily can arrive; Require transmitted data amount bigger during power station operation simultaneously, transmission stability requires high, and traditional wireless network (as GPRS) is difficult to arrive requirement.
The utility model content
The utility model provides a kind of stability and reliability higher power station remote control system for solving the stability and the relatively poor technical problem of reliability of traditional power station tele-control system.
The utility model solves the problems of the technologies described above by the following technical solutions.
The power station remote control system, it comprises server end and at least one client, and described server end and described at least one client communicate to connect by 3G network, and each client includes: control unit is used to obtain the service data in power station; DTU is used to receive the service data that described control unit sends; With the 3G card, be connected with the DTU serial ports, be used to realize communicating to connect of server end and each client.
As the optimal technical scheme of power station remote control system of the present utility model, described server end comprises: data processing equipment is used to receive, resolve, store the service data that described server end obtains from each client; And database, be used to store described power station data.
As the optimal technical scheme of power station remote control system of the present utility model, described server end also comprises the display that is used to show service data.
As the optimal technical scheme of power station remote control system of the present utility model, described service data comprises voltage, electric current, power and/or temperature.
As the optimal technical scheme of power station remote control system of the present utility model, described power station remote control system comprises server end and at least three clients, and described at least three clients are connected with described network service with gateway via router.
Compared with prior art, the power station remote control system server end that the utility model provides and at least one client, and each client includes: the control unit that is used to obtain the service data in power station; Be used to receive the DTU of the data that described control unit sends; With the 3G card, be connected with the DTU serial ports, be used to realize communicating to connect of server end and each client, it has data transmit-receive speed efficiently, and never the network of broken string connects, and has improved the real-time and the stability of the power station remote monitoring of electric power system.
In conjunction with the drawings, read following detailed description, can further understand other advantage of the present utility model, feature and aspect specific embodiment of the utility model.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of power station remote control system of the present utility model;
Fig. 2 is the part workflow diagram of power station remote control system of the present utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to the accompanying drawings embodiment of the present utility model is elaborated.Herein, same reference numerals is represented the same composition part.
Should be clear, 3G (English 3rd-generation) or " three generations " refer to the abbreviation of 3G (Third Generation) Moblie technology, are meant the honeycomb mobile communication technology of supporting high speed data transfer; The DTU index is according to the terminal equipment of communication, it is a kind of terminal equipment of data communication, can read or send data by serial ports to serial ports, and then realization data acquisition and system monitoring function, in the utility model, be applied to the data acquisition and the remote real-time monitoring of electric power system, the Core Feature of DTU comprises: inner integrated ICP/IP protocol stack, serial data bi-directional conversion function is provided, support automatic heartbeat, keep forever online, support parameter configuration, the permanent preservation are supported user's serial ports parameter configuration; The 3G data card is meant and is applied to computer and adopts the 3G (Third Generation) Moblie technology to insert the equipment of the Internet.In China, according to 3 big telecommunications companies the 3G data card is divided into 3 classes: the WCDMA of CHINAUNICOM data card, the TD of China Mobile data card, the CDMA of China Telecom card of surfing Internet.
The power station remote control system that the utility model provides comprises server end and at least one client, and described server end and described at least one client communicate to connect by 3G network, and each client includes:
Control unit is used to obtain the service data in power station;
DTU is used to receive the service data that described control unit sends; With
The 3G card is connected with the DTU serial ports, is used to realize communicating to connect of server end and each client.
As shown in Figure 1, the power station remote control system that the utility model provides, this power station remote control system comprises client 100, network 4 and service end 200.Client 100 communicates to connect by network 4 and service end 200.Though only shown a client 100 among Fig. 1, the utility model also can comprise a plurality of clients.
Particularly, client 100 comprises control unit 1, DTU2,3G card 3.Server end 200 comprises data processing equipment 5, database 6.
Wherein, described control unit 1 is connected by serial ports with described DTU2, and described 3G card 3 is inserted into DTU2 and uses together.Described data processing equipment 5 and database 6 all are located at server end 200.
Wherein, described control unit 1 is used to obtain the service data in power station, after handling according to communication protocol, sends to described DTU2 in the mode of serial communication interface, is the important component part of client 100.
Described DTU2 is used for reading or sending data to control unit 1 from control unit 1, also is the important component part of client 100.
Described 3G card is used to realize the network service and the transfer of data of client 100 and server end 200.
Described server end 200 is used to fetch the power station data that client 100 is beamed back, and by being stored in the database 6 after data processing equipment 5 processing; Be used for simultaneously to client 100 transmitting control commands.
Described data processing equipment 5, the service data of be used to receive, parsing, storage server end 200 being obtained from client 100 can utilize existing various data processing software to handle.
Described database 6 is used to store the described service data that described data processing equipment 5 sends.
As mentioned above, the power station remote control system that is used to monitor of the present utility model, comprise control unit 1, DTU2,3G card 3, server end 200, data processing equipment 5, database 6, described control unit 1 is connected by serial ports with described DTU2, described 3G card 3 is inserted into DTU2 and uses together, and described data processing equipment 5 and database 6 all are present in server end 200.
Described control unit 1 is used to obtain the service data in power station, after handling according to communication protocol, is transmitted to DTU2, and wherein, the service data in power station for example comprises the power station running status, i.e. voltage, electric current, power, temperature, information such as fault message and/or warning information.Described DTU2 is used for described relatively control unit 1 and reads or send data in the mode of serial ports, is the part of client.Described 3G card 3 is used to realize the network service and the transfer of data of client and server end 200; Described server end 200 is used to fetch the power station data that client is beamed back, and is stored in the database 6 after handling; Be used for simultaneously to the client transmitting control commands.Described data processing equipment 5, the power station data of be used to receive, parsing, storage server end 200 being obtained from client.Described database 6 is used to store power station data.
The main effect of data processing equipment 5 is: 1, by 3G network 4, realize communicating by letter with control unit 1; 2, receive the information of control unit 1, carry out resolving information by agreement communication protocol, and be shown to the display (not shown) or deposit in the database 6, wherein display is used to show power station data; 3,, and send information to control unit 1 by agreement communication protocol packaging information.Wherein, encapsulation is meant the specific implementation process to communication protocol, and is corresponding with parsing, constituted the whole process that communication protocol realizes.
For example:
1, communication protocol requires to carry out data arrangement and transmission with " id (digital coding)+value (transmission data)+CRC (check code) " form;
2, encapsulation process: as obtain power station performance number value=505, corresponding digital coding id=10, check code CRC=87, combination back: 10||505||87;
3, resolving: be the inverse process of encapsulation, as obtain information a: 10||505||87, get id=10, check code CRC=87 by local calculation check code value, compares with the check code of obtaining, if value equates that then value is effective, the value=505 that obtain this moment, otherwise cast out.
Further improvement as power station remote control system of the present utility model can realize a plurality of clients: client 1, client 2, the corresponding same server end of client n.Each client all has a 3G-DTU equipment, and with their IP of data center and port numbers, according to the IP of server end and the port numbers setting of being intercepted.
The configuration step of power station remote control system of the present utility model can comprise:
Step 1 is carried out port arrangement to server end 200;
Step 4, service data processing unit 5;
Step 5 starts DTU2, connects communication.
Server should have fixed ip address (as 121.15.172.102), and to the open corresponding listening port of each client number, will keep online behind access network as far as possible.After the client work, can initiatively connect by DTU, subsequently the terminal address of notification server oneself with server.
As the further improvement of power station control system of the present utility model, step 1 should comprise: at first, server is in the public network, and fixedly IP is set; Then, arrange a port numbers, keep intercepting this port numbers.
As the further improvement of power station control system of the present utility model, step 2 should comprise: at first, the serial ports of client is carried out parameter configuration, comprise string slogan and baud rate etc. (as the string slogan is COM1, and baud rate is 115200); Then DTU is carried out basic configuration, comprise the IP of data center, i.e. the IP of server, and port numbers, i.e. the port numbers that server is intercepted in the step 1, other setting wouldn't be made an amendment.
As the further improvement of power station control system of the present utility model, step 3 should comprise: at first, control unit gets access to the service data in power station; Then, the communication protocol according to appointing in advance encapsulates power station data; At last, send the data of process encapsulation to serial ports.Communication protocol comprises but is not limited to TCP, and CAN perhaps based on the communication protocol of TCP client layer oneself exploitation, belongs to a kind of agreement of transmitting data format, is similar to some regulation standard.
As the further improvement of power station control system of the present utility model, step 4 should comprise: at first, according to the communication protocol of appointing in advance, the power station data that receives is resolved; Then, with the storage after resolving in the database in corresponding power station, for post analysis or check.
As the further improvement of power station control system of the present utility model, step 5 should comprise: at first, if reconfigured the basic parameter of serial ports or DTU, will re-power DTU, to guarantee the validity of configuration; Then, DTU can be automatically sets up and being connected of server by 3G; At last, when not having transfer of data for a long time, disconnect being connected of DTU and center, this moment DTU is connected with data center be disconnected before, a small data packets of transmission, promptly the DTU heartbeat packet is not disconnected with the maintenance connection.Wherein, heartbeat packet: be that DTU equipment is not when having transfer of data for a long time, a Frame of circulation timed sending (the inner Frame of realizing being different from the transmission power station data of DTU), its effect is whether the monitoring wireless network keeps connecting, if connect normally, then continue this Frame of timed sending, otherwise, initiatively disconnection of wireless connects, and reconnects server end.Be exactly a kind of means of guaranteeing that network is unobstructed in short.
Preferably, as shown in Figure 2, the configuration step of power station remote control system of the present utility model comprises:
Step S01 inserts server end in the public network, and the IP that sets server end is fixing IP.
Step S02, server end and port numbers of client agreement, server end keeps intercepting this port.
Step S03 is provided with the serial ports relevant parameter of client, such as string slogan and baud rate.
Step S04 is provided with the basic parameter of the DTU of client, such as the IP and the port numbers of data center.Other settings wouldn't be changed.
Step S05 is inserted into the 3G card among the DTU, again DTU is powered on.
Step S06 waits for the automatic Connection Service device of DTU end.
Step S07 gets nowhere if connect, and DTU can reconnect automatically, up to successful Connection Service device end.
Step S08, foundation is communicated by letter with server end, carries out transfer of data.
Compared with prior art, the power station remote control system that the utility model provides has data transmit-receive speed efficiently, and never the network of broken string connects, and has improved the real-time and the stability of the power station remote monitoring of electric power system.
The utility model is realized transfer of data based on 3G network communication, can solve the limitation that wired network communication brings.In addition, the utility model organically combines 3G communication network and DTU, forms the power station remote control system based on 3G-DTU.
Based on the power station remote control system of 3G-DTU is to be specifically designed to the 3G wireless device that serial data is transmitted by 3G network, and this has just solved the data transmission problems that causes because of client and server end network environment difference.By adopting the technical grade CPU of high-end high speed, 3G-DTU can receive the data from 3G network fast, sends to client by serial ports then.
The utility model has solved and has had stability and the relatively poor problem of reliability in the prior art, provides a kind of stability and reliability higher power station remote control system.
Those skilled in the art know easily; the above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.Protection range of the present utility model is determined by claims.
Claims (4)
1. the power station remote control system is characterized in that, comprises server end and at least one client, and described server end and described at least one client communicate to connect by 3G network, and each client includes:
Control unit is used to obtain the service data in power station;
DTU is used to receive the service data that described control unit sends; With
The 3G card is connected with the DTU serial ports, is used to realize communicating to connect of server end and each client.
2. power station remote control system according to claim 1 is characterized in that, described server end comprises:
Data processing equipment is used to receive, resolve, store the service data that described server end obtains from each client; With
Database is used to store described service data.
3. power station remote control system according to claim 2 is characterized in that described server end also comprises the display that is used to show service data.
4. power station remote control system according to claim 2 is characterized in that, described power station remote control system comprises server end and at least three clients, and described at least three clients are connected with described network service with gateway via router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206309641U CN202043130U (en) | 2010-11-26 | 2010-11-26 | Remote control system for power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206309641U CN202043130U (en) | 2010-11-26 | 2010-11-26 | Remote control system for power station |
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| CN202043130U true CN202043130U (en) | 2011-11-16 |
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| CN2010206309641U Expired - Lifetime CN202043130U (en) | 2010-11-26 | 2010-11-26 | Remote control system for power station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592429A (en) * | 2012-01-18 | 2012-07-18 | 中山大学 | Remote meter reading system based on EnOcean |
| CN102624515A (en) * | 2011-11-24 | 2012-08-01 | 中联重科股份有限公司 | Data transmission method, system and terminals |
| CN103986635A (en) * | 2014-04-25 | 2014-08-13 | 国家电网公司 | System and method for networking dispersed electric vehicle charging points |
| CN104980509A (en) * | 2015-06-17 | 2015-10-14 | 南京南瑞集团公司 | Data transmission method under the condition without fixed public network IP based on wireless data transmission terminals |
| CN108122401A (en) * | 2016-11-29 | 2018-06-05 | 英飞凌科技股份有限公司 | Signal generator, decoder, the method for the method that generates transmission signal and for determining speed data |
-
2010
- 2010-11-26 CN CN2010206309641U patent/CN202043130U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624515A (en) * | 2011-11-24 | 2012-08-01 | 中联重科股份有限公司 | Data transmission method, system and terminals |
| CN102624515B (en) * | 2011-11-24 | 2015-05-20 | 中联重科股份有限公司 | Data transmission method, system and terminals |
| CN102592429A (en) * | 2012-01-18 | 2012-07-18 | 中山大学 | Remote meter reading system based on EnOcean |
| CN103986635A (en) * | 2014-04-25 | 2014-08-13 | 国家电网公司 | System and method for networking dispersed electric vehicle charging points |
| CN104980509A (en) * | 2015-06-17 | 2015-10-14 | 南京南瑞集团公司 | Data transmission method under the condition without fixed public network IP based on wireless data transmission terminals |
| CN104980509B (en) * | 2015-06-17 | 2018-03-23 | 南京南瑞集团公司 | The data transmission method without fixed public network IP based on wireless data transmission terminal |
| CN108122401A (en) * | 2016-11-29 | 2018-06-05 | 英飞凌科技股份有限公司 | Signal generator, decoder, the method for the method that generates transmission signal and for determining speed data |
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Granted publication date: 20111116 |
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