CN1791062A - Intelligent terminal server for power equipment communication system and its communication method - Google Patents
Intelligent terminal server for power equipment communication system and its communication method Download PDFInfo
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- CN1791062A CN1791062A CNA2005101121447A CN200510112144A CN1791062A CN 1791062 A CN1791062 A CN 1791062A CN A2005101121447 A CNA2005101121447 A CN A2005101121447A CN 200510112144 A CN200510112144 A CN 200510112144A CN 1791062 A CN1791062 A CN 1791062A
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Abstract
The intelligent terminal server for communication system of electric power equipment comprises at least : a serial port connected to said electric equipment, a TCP/IP network port connected to a third party application system by network, a data transceiver, and a data processor to treat and send data received by transceiver from former port to opposite port. Compared with prior art, this invention realizes remote multiplexing one serial communication line.
Description
Technical field
The present invention relates to a kind of intelligent terminal server and communication means thereof that is used for power equipment communication system, this intelligent terminal server is applied between intelligent power equipment and the third party's application system.
Background technology
Because electricity needs increases and the raising of automatic technology, the Automation of Electric Systems degree improves constantly, and is also more and more higher to the ageing requirement of troubleshooting means.After fault took place, how the attendant obtained fault message as soon as possible, just formed the effective means that the scheme of dealing with problems is the shortening fault handling time before reaching the spot.In order to obtain fault message and analyzing failure cause; for most protection or measure and control device; the attendant need move the maintenance software of manufacturer at the exploitation of specific intelligence power equipment usually on PC; and be connected with intelligent power equipment obtaining relevant fault message, and analyzing failure cause by serial communication mode.On the one hand, because most intelligent power equipment only has a serial communication interface, when reading maintenance information, just can interrupt with the communication of control centre, thereby cause it to lose monitoring, on the other hand, because these intelligent power equipments are installed in mechanical floor usually, the surrounding environment more complicated, and the line length that serial communication is supported is limited, feasible extremely constant to the maintenance of these equipment by PC, be unfavorable for failure diagnosis and solution.
In recent years, the TCP/IP network technology has obtained extensive use in automated system, terminal server is one of application wherein, as shown in Figure 1, the PC of operation manufacturer maintenance software is connected with terminal server by the TCP/IP network, terminal server is connected with intelligent power equipment by serial port, it is addressable relevant intelligent power equipment that terminal server need be installed the simulative serial port driver so that maintenance software need not change at PC usually, because the circuit distance that the TCP/IP network is supported by switch etc. almost without limits, the different client of tolerable is shared physical circuit simultaneously, solved traditional mode connected in series preferably and obtained the inconvenience that system maintenance information is brought, so terminal server has obtained good application.Unfortunately, traditional terminal server does not solve the passage conflict of reading between intelligent power equipment maintenance information and the monitor message, when reading maintenance information, still must stop the communication of monitor message, make intelligent power equipment lose monitoring, this be operational procedure therefore do not allow that unpromising traditional failure diagnosis and fault settling mode bring revolution.
On the other hand, in order to improve the online maintainability of intelligent power equipment, guarantee that electric power system steadily and efficiently will enrich, cheap, the electric power of high-quality is supplied with demanding party, operating personnel not only will include the electric network state information that intelligent power equipment reflected in monitoring, but also be necessary as often as possible the information relevant with operation maintenance electrical network that intelligent power equipment write down also to be obtained, therefore, in the prior art, in order to obtain the maintenance information of intelligent power equipment, the operation maintenance personnel must arrive the place that intelligent power equipment is installed, and directly use the serial communication circuit to obtain relevant maintenance information by PC, not only can not analyze the maintenance information of grasping smart machine at any time, but also must stop real-time communication, the electric component that intelligent power equipment is connected loses temporary transient monitoring with relevant electrical characteristic.Even if used traditional terminal server, though solved space problem, promptly can not obtain maintenance information in the position that intelligent power equipment is installed, when work, still need to stop real-time communication.So just be necessary to provide a specific multiplexed port device, make and use the smart machine of a serial port to support that multi-client obtains for information about simultaneously for maintenance and real-time communication information.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent terminal server and communication means thereof that is used for power equipment communication system at above-mentioned prior art present situation, by this intelligent terminal server being applied between intelligent power equipment and the third party's application system, make the power system operation attendant can be in the distance or this locality obtain electric power supervisory control information and maintenance information simultaneously.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this intelligent terminal server that is used for power equipment communication system includes: the serial port that at least one is connected with corresponding intelligent power equipment, the TCP/IP network port that at least one links to each other with network with third party's application system, and at least one carries out the data source and sink of data transmit-receive to the described serial port and/or the network port; It is characterized in that also including data processing equipment, this data processing equipment to receive by described data source and sink, handle and be sent to the corresponding network port and/or serial port from the data of the described serial port and/or the described network port.
Described data processing equipment can lead directly to processing to data, thereby between the described serial port and the described TCP/IP network port, setting up transparent transmission path under the described data source and sink collaborative work, like this, third party's application system can not influence its original communication function because having used apparatus of the present invention, does not need to change its system program yet;
Better, have in the described data processing equipment communication packet is carried out the message analysis module, cache module of electric power system Standards Code on-line analysis and shows storage and functional module that search is preserved.
The described communication processing method that is used for the intelligent terminal server of power equipment communication system can may further comprise the steps:
1. described data processing equipment is set up independently buffering area for the third party's application system that connects by the described TCP/IP network port in its cache module, store the message of its transmission;
2. described data processing equipment is analyzed the message of being stored by its message analysis module, and forms complete transmission message frame;
3. start serial query script by described serial port by group bag time order and function to the corresponding intelligent power equipment that is connected, after treating correctly to receive the feedback message of intelligent power equipment, give corresponding third party's application system by TCP/IP network port foldback again.
By said method,, because the setting of buffering and the realization of complete feedback procedure, make a plurality of clients to distinguish and independently visited intelligent power equipment concomitantly though still be serial to the visit of intelligent power equipment.
In addition, the described communication processing method that is used for the intelligent terminal server of power equipment communication system also can may further comprise the steps:
1. described data processing equipment is set up an independently serial ports query script, and is its distributing independent timeslice, distributes corresponding processing time sheet for each by third party's application system that the described TCP/IP network port connects simultaneously;
2. the message analysis module is selected communication protocol automatically, analyzes the network message that picks up from corresponding third party's application system in given timeslice, if form the complete message frame, then waits for the serial process process free time;
3. in case wait by the time the serial process process free time, promptly start the serial ports query script with limit priority, in given timeout interval, if receive the complete answer of intelligent power equipment, then return corresponding third party's application system by TCP/IP network port foldback by described serial port.
Further, the described communication processing method that is used for the intelligent terminal server of power equipment communication system also includes following steps: if the network that connects by the TCP/IP network port interrupts, and connect recovery back third party's application system and also do not set up special communication context parameters, then described data source and sink uses automatically and connected the communication context parameters that uses last time.
Compared with prior art, by using the present invention, realized third party's application system by network remote ground to two kinds of the same serial communication circuit realizations of intelligent power equipment and the concurrent visit of two or more information, and do not influence each other also promptly remotely multiplexing same serial communication circuit.
Description of drawings
Fig. 1 is the application implementation schematic diagram of the embodiment of the invention.
Fig. 2 is the principle schematic of the embodiment of the invention.
Fig. 3 is the communication means flow chart of the embodiment of the invention.
Fig. 4 is the message analysis flow chart of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the intelligent terminal server that is used for power equipment communication system includes: the serial port that at least one is connected with corresponding intelligent power equipment, the TCP/IP network port that at least one links to each other with network with third party's application system, and at least one carries out the data source and sink of data transmit-receive to the described serial port and/or the network port; It is characterized in that also including data processing equipment, this data processing equipment to receive by described data source and sink, handle and be sent to the corresponding network port and/or serial port from the data of the described serial port and/or the described network port;
Have in the described data processing equipment communication packet is carried out message analysis module, the cache module of electric power system Standards Code on-line analysis and shows storage and the functional module of search preservation.
Its communication processing method as shown in Figure 3, may further comprise the steps:
1. described data processing equipment is set up independently buffering area for the third party's application system that connects by the described TCP/IP network port in its cache module, store the message of its transmission;
2. described data processing equipment is analyzed the message of being stored by its message analysis module, and forms complete transmission message frame;
3. start serial query script by described serial port by group bag time order and function to the corresponding intelligent power equipment that is connected, after treating correctly to receive the feedback message of intelligent power equipment, give corresponding third party's application system by TCP/IP network port foldback again.
By said method,, because the setting of buffering and the realization of complete feedback procedure, make a plurality of clients to distinguish and independently visited intelligent power equipment concomitantly though still be serial to the visit of intelligent power equipment.
As shown in Figure 4, described communication processing method, also can carry out according to the following steps:
1. described data processing equipment is set up an independently serial ports query script, and is its distributing independent timeslice, distributes corresponding processing time sheet for each by third party's application system that the described TCP/IP network port connects simultaneously;
2. the message analysis module is selected communication protocol automatically, analyzes the network message that picks up from corresponding third party's application system in given timeslice, if form the complete message frame, then waits for the serial process process free time;
3. in case wait by the time the serial process process free time, promptly start the serial ports query script with limit priority, in given timeout interval, if receive the complete answer of intelligent power equipment, then return corresponding third party's application system by TCP/IP network port foldback by described serial port;
Also do not set up special communication context parameters if the 4. network interruption that connects by the TCP/IP network port, and connection recovers back third party's application system, then described data source and sink uses automatically and connected the communication context parameters of use last time.
Claims (8)
1, a kind of intelligent terminal server that is used for power equipment communication system, include: the serial port that at least one is connected with corresponding intelligent power equipment, the TCP/IP network port that at least one links to each other with network with third party's application system, and at least one carries out the data source and sink of data transmit-receive to the described serial port and/or the network port; It is characterized in that also including data processing equipment, this data processing equipment to receive by described data source and sink, handle and be sent to the corresponding network port and/or serial port from the data of the described serial port and/or the described network port.
2, the intelligent terminal server that is used for power equipment communication system according to claim 1, it is characterized in that described data processing equipment leads directly to processing to data, thereby between the described serial port and the described TCP/IP network port, setting up transparent transmission path under the described data source and sink collaborative work.
3, the intelligent terminal server that is used for power equipment communication system according to claim 1 is characterized in that having the message analysis module of communication packet being carried out the on-line analysis of electric power system Standards Code in the described data processing equipment.
4, the intelligent terminal server that is used for power equipment communication system according to claim 3 is characterized in that having cache module in the described data processing equipment.
5, the intelligent terminal server that is used for power equipment communication system according to claim 4 is characterized in that described data processing equipment has the functional module that shows that storage and search are preserved.
6, a kind of communication means that is used for the intelligent terminal server of power equipment communication system according to claim 4 is characterized in that may further comprise the steps:
1. described data processing equipment is set up independently buffering area for the third party's application system that connects by the described TCP/IP network port in its cache module, store the message of its transmission;
2. described data processing equipment is analyzed the message of being stored by its message analysis module, and forms complete transmission message frame;
3. start serial query script by described serial port by group bag time order and function to the corresponding intelligent power equipment that is connected, after treating correctly to receive the feedback message of intelligent power equipment, give corresponding third party's application system by TCP/IP network port foldback again.
7, a kind of communication means that is used for the intelligent terminal server of power equipment communication system according to claim 4 is characterized in that may further comprise the steps:
1. described data processing equipment is set up an independently serial ports query script, and is its distributing independent timeslice, distributes corresponding processing time sheet for each by third party's application system that the described TCP/IP network port connects simultaneously;
2. the message analysis module is selected communication protocol automatically, analyzes the network message that picks up from corresponding third party's application system in given timeslice, if form the complete message frame, then waits for the serial process process free time;
3. in case wait by the time the serial process process free time, promptly start the serial ports query script with limit priority, in given timeout interval, if receive the complete answer of intelligent power equipment, then return corresponding third party's application system by TCP/IP network port foldback by described serial port.
8, the communication means that is used for the intelligent terminal server of power equipment communication system according to claim 7, it is characterized in that also including following steps: if the network that connects by the TCP/IP network port interrupts, and connect recovery back third party's application system and also do not set up special communication context parameters, then described data source and sink uses automatically and connected the communication context parameters that uses last time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101121447A CN100429902C (en) | 2005-12-28 | 2005-12-28 | Intelligent terminal server for power equipment communication system and its communication method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101121447A CN100429902C (en) | 2005-12-28 | 2005-12-28 | Intelligent terminal server for power equipment communication system and its communication method |
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| CN1791062A true CN1791062A (en) | 2006-06-21 |
| CN100429902C CN100429902C (en) | 2008-10-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145430A (en) * | 2012-03-20 | 2014-11-12 | 宗拓贝尔照明器材有限公司 | Method for transmitting data |
| CN111131302A (en) * | 2019-12-31 | 2020-05-08 | 珠海瑞捷电气股份有限公司 | Method for realizing IEC101 power communication protocol independent of physical channel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147982C (en) * | 2001-02-28 | 2004-04-28 | 西安前进电器实业有限公司 | Method for implementing power distribution automatization |
| CN1531219A (en) * | 2003-03-12 | 2004-09-22 | 深圳市迪恩斯特技术有限公司 | Converting and adaptering method and system structure for power system communication agreement stipulation |
| CN1216475C (en) * | 2003-08-28 | 2005-08-24 | 东南大学 | Embedded gate for realizing interconnection between networks with different structures |
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2005
- 2005-12-28 CN CNB2005101121447A patent/CN100429902C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145430A (en) * | 2012-03-20 | 2014-11-12 | 宗拓贝尔照明器材有限公司 | Method for transmitting data |
| CN104145430B (en) * | 2012-03-20 | 2017-06-06 | 宗拓贝尔照明器材有限公司 | For transmitting data method |
| CN111131302A (en) * | 2019-12-31 | 2020-05-08 | 珠海瑞捷电气股份有限公司 | Method for realizing IEC101 power communication protocol independent of physical channel |
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| Publication number | Publication date |
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| CN100429902C (en) | 2008-10-29 |
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