CN101777791B - Method compatible with plurality of types of communication protocols of electric negative control system simultaneously and system thereof - Google Patents
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Abstract
The invention provides a method compatible with a plurality of types of communication protocols of an electric negative control system simultaneously, comprising the following steps that: an electric system is provided; the electric system carries out abstract modeling on the communication protocols; database is initiated when the electric system is started; and the electric system reads the content of the database and instantiates Java objects of relevant communication service programs. The invention also provides a system compatible with the plurality of types of communication protocols of the electric negative control system simultaneously.
Description
Technical field
The present invention relates to the negative control system of electric power field, a kind of method and system thereof of while compatible with plurality of types of communication protocols of electric negative control system is provided.
Background technology
Along with the lasting input of electric power enterprise to negative control system, not only scale is more and more huger for the negative control system of present electric power, and the terminal kind that inserts is also more and more, and electric power negative control terminal new, communication protocol different from the past inserts successively.On the other hand, also there is very big difference in the negative control system of the negative control system of present electric power and traditional sense, and its business function constantly increases, with marketing system combine also more and more closelyr, this causes bearing also frequent variations of kind that the control system copies and accepts data.
The characteristics in China Power market cause the negative control system of electric power demand side various to communication protocol, copy and accept the present situation of data frequent variations.Because each net province company; Even prefecture-level power administration all has independent bid to build the right and the resource of the negative control system of electric power; Office side often makes part according to local actual conditions to communication protocol and revises when bid; Therefore also cause the various places agreement totally consistent, but the phenomenon that details is not quite similar occur.
Though negative control system at present commonly used can guarantee to insert the electric power negative control terminal and with its proper communication; Accomplish to gather, control, to the time etc. business; But can't simultaneously compatible multiple negative control communication protocol; Protocol contents or copy and accept data class and any variation takes place all will write code again, the variation that can't bring through configuration database dynamic response agreement.
Summary of the invention
In order to solve the above-mentioned technical problem of prior art, be necessary to provide a kind of method of compatible with plurality of types of communication protocols of electric negative control system simultaneously.
Also be necessary to provide a kind of system of compatible with plurality of types of communication protocols of electric negative control system simultaneously.
A kind of method of while compatible with plurality of types of communication protocols of electric negative control system comprises unified power system is provided; Electric power system is carried out abstract modeling with communication protocol; Data base initialize when electric power system starts; The Java object of the communication service program relevant with electric power system reading database content and instantiation.The present invention also provides a kind of system of while compatible with plurality of types of communication protocols of electric negative control system.
A kind of system of while compatible with plurality of types of communication protocols of electric negative control system; It is characterized in that: comprise the communication server and connected electric power negative control terminal; The said communication server possesses the public network communication capacity; Can set up the multi-protocols passage automatically according to the communication protocol of the electric power negative control terminal on connecting,, supply other application services of backstage to use electric power negative control terminal data forwarding to the different communication port of different agreement.
Compared to prior art; The method of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention and system thereof are through the negative control of the complete description electric power of the mode communication protocol of database, Java object, initialization statement; Reach the purpose that the communication service program can the dynamic corresponding agreement changes, avoids hard coded; Make the negative control and management system of electric power have very strong compatibility, and can dispose conveniently, transplant flexibly, exploitation rapidly and efficiently, be easy to field conduct, reduce construction and maintenance cost, the raising operational efficiency.
Description of drawings
Fig. 1 is the schematic flow sheet of the method analytic message of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention.
Embodiment
Below in conjunction with Figure of description embodiment of the present invention is described further.
The method of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention comprises:
The communication protocol abstract model is set up;
The communication protocol message data is dynamically resolved;
Wherein, The present invention can set up a data coding in modeling process; Each data cell is set up unique digital coding at total system, and the identification code and the digital coding of setting up different communication protocol concern correspondence table, to reach the purpose of compatible all communication protocols.
Said database dictionary table is meant a plurality of Table in the relational database, and these dictionary tables combine the complete description of completion to the negative control of electric power communication protocol.Dictionary table comprises: database table coding schedule (TABLECODE), database column coding schedule (TABLE_COLUMN_CODE), digital coding table (DATACODE), table and digital coding relation table (TABLEDATACODE), identification code table (DTICODE), identification code resolution table (DTIPARSE), branch system of solutions table (DECOMPGROUP), identification code group table (DTIGROUP), identification code group detail list (DTIGROUPITEM).
Said Java object is meant a series of types that set up in the communication service program, and these types are combined the complete description of completion to the negative control of electric power communication protocol, and possess the ability of resolving all kinds of frame formats, data cell.These types comprise: Dai, Dti, Dui, DtiGroup.
Said initialization statement is meant a series of database Insert Into scripts, and these scripts insert the relevant dictionary table of database to all the elements of regulation in the negative control communication protocol, supply the communication service program to read.
(1) about the database dictionary table definition
Following table has been listed database coding schedule (TABLECODE) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DATA_CODE | Digital coding | varchar2(20) | PK | Not | ||
| DATA_NAME | Data name | varchar2(50) | Not |
| UNIT | Unit | varchar2(20) |
The database coding schedule has defined the title that needs the table of specified data in the negative control of the storage communication protocol in the database, comprises instantaneous scale, current electric quantity indication table, day electric weight indication table, month electric weight indication table, alarm event table etc.
In the embodiment of the invention, following table has been listed database column coding schedule definition (TABLE_COLUMN_CODE):
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| TABLE_CODE | The table numbering | number(4) | PK | Not | ||
| COLUMN_CODE | Column number | number(5) | PK | Not | ||
| COLUMN_NAME | The row title | varchar2(30) | Not |
The database column coding schedule has defined the title of every row in the table that needs specified data in the negative control of the storage communication protocol in the database.
In the embodiment of the invention, following table has been listed digital coding table (DATACODE) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DATA_CODE | Digital coding | varchar2(20) | PK | Not | ||
| DATA_NAME | Data name | varchar2(50) | Not | |||
| UNIT | Unit | varchar2(20) |
The digital coding table has defined the coding of all data cells in the database aspect, is the data cell definition of the final unique use of total system.
In the embodiment of the invention, following table has been listed table and digital coding relation table (TABLEDATACODE) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| TABLE_CODE | The table numbering | number(4) | PK | Not | ||
| ASSEMBLE_NUM | The assembled scheme numbering | number(4) | PK | Not | ||
| ORIG_DATA_CODE | The initial data coding | varchar2(20) | PK | Not | ||
| DEST_DATA_CODE | The target data coding | varchar2(20) | Not | Keep | ||
| COLUMN_CODE | Column number | number(5) | Not |
Table and digital coding relation table have defined the corresponding relation of Table and digital coding in the database; Definition to a data unit in communication protocol has multiple; Such as the electric weight indication can be current electric quantity indication, day electric weight indication, month electric weight indication, can be the field of different agreement to the definition unification of same data cell concrete some Table in the database through this table.
In the embodiment of the invention, following table has been listed identification code table (DTICODE) definition:
The identification code table definition in the negative control communication protocol to the regulation of data unit, the data cell that dissimilar in the communication protocol, difference is freezed kind, different objects is all imported in this table and is defined.
In the embodiment of the invention, following table has been listed identification code resolution table (DTIPARSE) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DTI_CODE | Identification code | varchar2(20) | PK | Not | ||
| PRTL_TYPE | Protocol type | number(2) | PK | Not | ||
| CNT_TYPE | Content type | number(3) | PK | Not | ||
| PARSE_ORDER | Resolve order | number(3) | PK | Not | ||
| DATA_CODE | Digital coding | varchar2(20) | Not | |||
| PARSE_TYPE | Resolve type | number(3) | Not | Word ammeter: 70 | ||
| DATA_LENGTH | Data length | number(3) | Not | |||
| ADD_LENGTH | Increase length | number(3) | Not | |||
| DEC_DIGIT | Scale | number(3) | Not | |||
| BIT_EXTR_FLAG | The bit extraction sign | number(1) | Not | Word ammeter: 71 | ||
| BEGIN_BIT | Initial BIT position | number(2) | Not | |||
| END_BIT | Finish the BIT position | number(2) | Not | |||
| INDI_REPLAY_FLAG | Sign circulation layer sign | number(1) | Not | Word ammeter: 72 | ||
| REPLAY_TYPE | The circulation layer type | number(2) | Not | Word ammeter: 73 | ||
| BLG_REPLAY_FLAG | Affiliated circulation layer sign | number(1) | Not | |||
| BLG_REPLAY_POS_FLAG | Tick lables in the affiliated circulation layer | number(1) | Not | Word ammeter: 74 | ||
| DECOMP_FLAG | Decompose sign | number(1) | Not | Word ammeter: 75 | ||
| OFFSET_VALUE | Side-play amount | number(10) | Not | |||
| EXT_DISP_FLAG | Whether the FF data significance bit | number(2) | Not | 0--is invalid, and 1--is effective |
The identification code resolution table is the key that realizes that dynamic protocol is resolved, and has defined all behaviors of the negative control of complete parsing communication protocol message.The identification code table has been set up the notion of cursor; Regard the message that receives as an integral body, cursor moves forward according to the definition in the identification code table, extracts the length of regulation and resolves; Judge circulation, decomposition, extraction, drift marker then, data are done further processing.After cursor runs into end mark, then accomplish resolving, program is returned and is waited for next message.The communication service program reaches the purpose that possesses compatible multiple negative control communication protocol through reading this table.
In the embodiment of the invention, following table has been listed branch system of solutions table (DECOMPGROUP) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DTI_CODE | Identification code | varchar2(20) | PK | Not | ||
| DATA_CODE | Digital coding | varchar2(20) | PK | Not | ||
| DECOMP_ORDER | Decompose order | number(3) | PK | Not | ||
| ITEM_NAME | Decompose a title | varchar2(30) | Not | |||
| BEGIN_BIT | Initial BIT position | number(3) | Not | |||
| END_BIT | Finish the BIT position | number(3) | Not |
The decomposition behavior of bit that divided system of solutions table definition, the message minimum memory unit that the communication service program receives is a byte, but many times a plurality of information have been stored in a byte the inside, represent deciliter state of a switch such as each bit.Through reading the content of branch system of solutions table, read out the information of bit during analytic message, the confession program is used.
In the embodiment of the invention, following table has been listed identification code group table (DTIGROUP) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DTI_GRPID | The identification code group # | varchar2(20) | PK | Not | ||
| DT1_GRP_NAME | The identification code group name is claimed | varchar2(50) | Not | |||
| PRTL_TYPE | Protocol type | number(2) | Not | Dictionary table classification: 23 | ||
| CNT_TYPE | Content type | number(3) | Not | Dictionary table classification: 68 | ||
| OWNER_TYPE | Object type | number(2) | Not | Dictionary table classification: 1 | ||
| FRZ_TYPE | The data-frozen type | number(2) | Not | Dictionary table classification: 49 | ||
| TABLE_CODE | The table numbering | number(4) | Not | |||
| ASSEMBLE_NUM | The assembled scheme numbering | number(4) | Not | |||
| INTEGRITY_DAIA_NUM | Data integrity is counted | number(3) | Not |
Identification code group table is combined a plurality of data cells, uses during for the data in the communication service programmed acquisition electric power negative control terminal.Through this table, system can dynamic combined copy and accept data class, and does not need to write again code.
In the embodiment of the invention, following table has been listed identification code group detail list (DTIGROUPITEM) definition:
| The field title | The field note | Data type | Keyword | Can be empty | Default value | Remarks |
| DTI_GRP_ID | The identification code group # | varchar2(20) | PK | Not | ||
| DTI_CODE | Identification code | varchar2(20) | PK | Not | ||
| ORDERS | Affiliated order | number(3) | Not |
Identification code group detail list has been stipulated the parsing order of each data cell in the group.
(2) about the JAVA definition of object
The DAI class, accomplish the definition of data cell identification point:
public?class?Dai{
public?int?daiCode＝-1；//0--64
public?byte[]daiFrm＝new?byte[]{0，0}；
private?Protocol?m_prtlService＝Protocol.getInstance()；
public?Dai(){
}
/**
* constructed fuction is constructed DA according to Pn and terminal protocol type
*/
public?Dai(int?daiCode，int?prtl){
}
public?Dai(int?daiCode){
}
/**
* with Da0 and Da1 structure DA (having comprised 698 agreements)
*/
public?Dai(byte?da0，byte?da?1，int?prtl){
}
}
The DTI class, accomplish the information point definition:
public?class?Dti{
Public static finalint DTICODE_IMPEVENT=1; // ask important thing
Part
Public static final int DTICODE_CMMEVENT=2; // request is general
Incident
Public static final int FRZTYPE_NONE=-1; // do not freeze
Public static final int FRZTYPE_HOUR=1; // hour freeze
Public static final int FRZTYPE_DAY=2; // day freezes
Public static final int FRZTYPE_CBDAY=3; // the day of checking meter freezes
Public static final int FRZTYPE_MONTH=4; // the moon freezes
Public static final int FRZTYPE_CURRVE=5; // curve
public?String?dtiCode＝″″；
public?byte[]dtiFrm＝new?byte[]{0，0}；
public?Vector<DtiDesc>dtiDescs＝new?Vector<DtiDesc>()；
public?DtiDataNe?dtiData＝null；
public?byte[]m_td＝null；
Public boolean integrity=false; // data integrity sign
private?Vector<byte[]>setParas＝new?Vector<byte[]>()；
public?int?setSign＝-1；
private?Protocol?protocol＝Protocol.getInstance()；
public?Dti(){
}
}
The DUI class, accomplish the data cell complete definition:
public?class?Dui{
public?Dai?dai；
public?DtiNe?dti；
public?byte[]duiFrm＝new?byte[]{0，0，0，0}；
private?Protocol?m_prtlService＝Protocol.getInstance()；
public?Dui(){
}
public?Dui(Dai?dai，DtiNe?dti){
}
}
The DTIGROUP class is accomplished the combination to the data unit, definition:
public?class?DtiGroup{
public?String?dtigrpId＝″″；
Public int tableNum=-1; // affiliated Table sequence number
Public int integrityDataNum=-1; // judgment data is complete counts
Public int contentType=-1; The type of // identification code content
public?int?objType＝-1，frzType＝-1；
Public int frzDensity=-1; // freeze density
private?LinkedHashMap?dtiMap＝new?LinkedHashMap()；
private LinkedHashMap origDestCodeMap ＝ new
LinkedHashMap()；
private LinkedHashMap destOrigCodeMap ＝ new
LinkedHashMap()；
public?DtiGroup(){
}
}
(3) about initialization definitions
In the embodiment of the invention, initialization statement is responsible for accomplishing the definition to all data cells in the negative control communication protocol, and accomplishes the conversion of identification code and digital coding, is an instance of initialization statement below:
INSERT INTO DTIPARSE
VALUES(′1′，4，1，0，′3000′，6，4，4，0，0，0，0，0，0，0，3，0，0，0)；
INSERT INTO DTIPARSE
VALUES(′1′，4，1，1，′3001′，6，8，8，0，0，0，0，0，0，0，3，0，0，0)；
INSERT INTO DTIPARSE
VALUES(′1′，4，1，2，′3002′，6，4，4，0，0，0，0，0，0，0，3，0，0，0)；
INSERT INTO DTIPARSE
VALUES(′1′，4，1，3，′3003′，70，3，3，0，0，0，0，0，0，0，3，0，0，0)；
INSERT INTO DTIPARSE
VALUES(′1′，4，1，4，′3004′，6，11，11，0，0，0，0，0，0，0，3，0，0，0)；
Seeing also Fig. 1, is the schematic flow sheet of the method analytic message of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention.Beginning, the reading database dictionary table is set up the JAVA object; Received communication message then; Set up cursor, get into parse cycle; Analyze the message data district; Circulate, extract, decompose judgement; Analytic message; Run into end mark, close cursor, finish.
The system of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention comprises the communication server and connected electric power negative control terminal; The said communication server possesses the public network communication capacity; Can set up the multi-protocols passage automatically according to the communication protocol of the electric power negative control terminal on connecting; With electric power negative control terminal data forwarding to the different communication port of different agreement, supply other application services of backstage to use.Wherein, the multi-protocols passage comprises the abstract modeling to present main flow communication protocol.When electric power system need newly access terminal or the data class that need copy and accept when changing; Through the change initialization statement; Again carry out initialize routine, entire database and server have just possessed the support to New Deal or new data kind, need not change code.
The method of a kind of while compatible with plurality of types of communication protocols of electric negative control system of the present invention and system thereof be through the negative control of the complete description electric power of the mode communication protocol of database, Java object, initialization statement, reaches the purpose that the communication service program can the dynamic corresponding agreement changes, avoids hard coded.Make the negative control and management system of electric power have very strong compatibility, and can dispose conveniently, transplant flexibly, exploitation rapidly and efficiently, be easy to field conduct, reduce construction and maintenance cost, the raising operational efficiency.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. method of compatible with plurality of types of communication protocols of electric negative control system simultaneously comprises:
Unified power system is provided;
Electric power system is carried out abstract modeling with communication protocol;
Data base initialize when electric power system starts;
The Java object of the communication service program that electric power system reading database content and instantiation are relevant; With
In modeling process, can set up data coding, each data cell is set up unique digital coding at total system, and the identification code and the digital coding of setting up different communication protocol concern correspondence table; Wherein,
Call initialize routine during the negative control of electric power system start-up; Insert the database correlation table to communication protocol with the form of dictionary table; The relevant dictionary table content of reading database behind the communication service program start, and the relevant Java object of instantiation based on this are when the communication protocol content changes; When the data acquisition system that perhaps need copy and accept changed, the communication service program was accomplished synchronously through reading the relevant dictionary table content of amended database again.
2. like the method for right 1 described a kind of while compatible with plurality of types of communication protocols of electric negative control system; It is characterized in that: data base initialize comprised a series of initialization statements of execution when electric power system started; Accomplish the filling process of the relevant dictionary table of database, the corresponding dictionary table of database can be described the negative control of complete electric power communication protocol after initialize routine was carried out and finished.
3. like the method for right 1 described a kind of while compatible with plurality of types of communication protocols of electric negative control system; It is characterized in that: when electric power system need newly access terminal or the data class that need copy and accept when changing; Through the change initialization statement; Again carry out initialize routine, entire database and server have just possessed the support to New Deal or new data kind, need not change code.
4. the system of compatible with plurality of types of communication protocols of electric negative control system a method based on the described while compatible with plurality of types of communication protocols of electric negative control system of claim 1 time; It is characterized in that: comprise the communication server and connected electric power negative control terminal; The said communication server possesses the public network communication capacity; Can set up the multi-protocols passage automatically according to the communication protocol of the electric power negative control terminal on connecting; With electric power negative control terminal data forwarding to the different communication port of different agreement, supply other application services of backstage to use.
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| CN102148825B (en) * | 2011-01-28 | 2013-07-31 | 清华大学 | Method and device for configuring and analysing dynamic protocol |
| US9825884B2 (en) | 2013-12-30 | 2017-11-21 | Cavium, Inc. | Protocol independent programmable switch (PIPS) software defined data center networks |
| US10616380B2 (en) | 2014-06-19 | 2020-04-07 | Cavium, Llc | Method of handling large protocol layers for configurable extraction of layer information and an apparatus thereof |
| US9635146B2 (en) | 2014-06-19 | 2017-04-25 | Cavium, Inc. | Method of using bit vectors to allow expansion and collapse of header layers within packets for enabling flexible modifications and an apparatus thereof |
| US9531848B2 (en) * | 2014-06-19 | 2016-12-27 | Cavium, Inc. | Method of using generic modification instructions to enable flexible modifications of packets and an apparatus thereof |
| CN108449398B (en) * | 2018-03-06 | 2021-09-10 | 江阴长仪集团有限公司 | Object-oriented data exchange protocol implementation method and electric energy meter |
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Effective date of registration: 20210728 Address after: 518000 Nanshan Nanyou No.1 Industrial Zone, Shenzhen, Guangdong Province, 107 buildings and 3 floors Patentee after: Shenzhen Longdian Huaxin Holding Group Co., Ltd Address before: 518000 Room 202, block B, aerospace micromotor building, No.7, Langshan 2nd Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen LIAN intellectual property service center |