CN107070589A - A kind of electric energy meter adaptive approach, device and electric energy meter based on object-oriented agreement and legacy protocol - Google Patents
A kind of electric energy meter adaptive approach, device and electric energy meter based on object-oriented agreement and legacy protocol Download PDFInfo
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- CN107070589A CN107070589A CN201611264807.1A CN201611264807A CN107070589A CN 107070589 A CN107070589 A CN 107070589A CN 201611264807 A CN201611264807 A CN 201611264807A CN 107070589 A CN107070589 A CN 107070589A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
- H04L47/323—Discarding or blocking control packets, e.g. ACK packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
The invention discloses a kind of electric energy meter adaptive approach, device and electric energy meter based on object-oriented agreement and legacy protocol.Communications protocol between each level of current acquisition system is not yet unified, same system using two kinds of different communications protocol, can there are problems that data trace to the source,.The electric energy meter adaptive approach of the present invention includes:The electric energy meter receives the command signal that main website or acquisition terminal are sent;The electric energy meter recognizes the corresponding communication protocol of the command signal, and the communication protocol includes being based on object-oriented agreement and legacy protocol;The command signal is parsed according to the communication protocol, and corresponding operation is performed according to analysis result.The present invention enables electric energy meter compatibility DL/T 645 and 698 two kinds of agreements of DL/T, realizes the self-adapting estimation of both agreements, improves the interactive efficiency communicated between system.
Description
Technical field
The present invention relates to electric energy meter field, especially a kind of electric energy meter based on object-oriented agreement and legacy protocol is adaptive
Induction method, device and electric energy meter.
Background technology
At present, main website uses the communications protocol of Q/GDW 376.1 with acquisition terminal, and between acquisition terminal and measuring terminal
What is used is then the communications protocol of DL/T 645, and because the communications protocol between each level of acquisition system is not yet unified, same system is adopted
With two kinds of different communications protocol, can there are problems that data trace to the source,.Meanwhile, industry constituent parts are carrying out unification
The communication standard of acquiring electric energy information system《The interoperability data exchange of acquiring electric energy information and management system-object-oriented
Agreement》(communications protocol of DL/T 698), but in the old and new's Protocol interim stage, due to new legacy system and is deposited, therefore provides a kind of
Can the backward compatible old communications protocol of DL/T 645 can meet the electric energy meter of the newest communications protocol of DL/T 698 again, as mesh
Preceding urgent problem to be solved.
The content of the invention
For above-mentioned problems of the prior art, the present invention is intended to provide a kind of based on object-oriented agreement and tradition
Electric energy meter adaptive approach, device and the electric energy meter of agreement, are possible to the protocol type for the data that automatic identification is received, to carry
The compatibility of high electric energy meter, reduces the replacement cost of electric energy meter.
Therefore, the technical solution adopted by the present invention is:A kind of electric energy meter based on object-oriented agreement and legacy protocol is certainly
Adaptive method, methods described includes:
The electric energy meter receives the command signal that main website or acquisition terminal are sent;
The electric energy meter recognizes the corresponding communication protocol of the command signal, and the communication protocol includes being based on object-oriented
Agreement or legacy protocol;
The command signal is parsed according to the communication protocol, and corresponding operation is performed according to analysis result.
Further, before electric energy meter recognizes the corresponding communication protocol of the command signal, also opened for the command signal
A data buffer zone is warded off, the command signal is stored in the data buffer zone.
Further, the command signal is parsed according to the communication protocol, including:Determining the command signal pair
The communication protocol answered is described when being based on object-oriented agreement or legacy protocol, parses the command signal;Or
Determining that the corresponding communication protocol of the command signal is not based on object-oriented agreement, nor described
During legacy protocol, judge the command signal mistake and abandon the command signal.
Further, the legacy protocol is DL/T645 agreements, and described is DL/T698 agreements based on object-oriented agreement.
Further, it is determined that electric energy meter recognizes the corresponding communication protocol of the command signal, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one first head, first head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether the bebinning character for judging data is 68H;If the determination result is YES, the length byte of data is obtained, judgement is
It is no to meet DL/T698 agreements;
If the determination result is YES, judge whether address field meets DL/T698 agreements;
If the determination result is YES, judge whether frame head check character meets DL/T698 agreements;
If the determination result is YES, whether judgment frame check character meets DL/T698 agreements;
If the determination result is YES, perform step and judge whether the termination character of data is 16H;
If the determination result is YES, judge that the command signal meets DL/T698 agreements, institute is parsed according to the communication protocol
Command signal is stated, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on first head address increase by 1 of pointer, abandons described first
The byte of address before head identification pointer, whether the bebinning character for rejudging data in data buffer zone is 68H.
Further, when first head identification pointer is moved at the tail pointer of the data buffer zone,
Judge the corresponding communication protocol of the command signal be not it is described be based on object-oriented agreement.
Further, it is determined that whether the corresponding communication protocol of the command signal is the legacy protocol, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one second head, second head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether first bebinning character for judging data is 68H;
If the determination result is YES, whether second bebinning character for judging data is 68H;
If the determination result is YES, the length byte of data is obtained, judges whether to meet DL/T645 agreements;
If the determination result is YES, judge whether the check code of data meets DL/T645 agreements;
If the determination result is YES, whether the termination character for judging data is 16H;
If the determination result is YES, judge that the command signal meets DL/T645 agreements, according to communication protocol parsing
Command signal, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on second head address increase by 1 of pointer, abandons described second
The byte of address before head identification pointer, whether first bebinning character for rejudging data is 68H.
Further, when second head identification pointer is moved at the tail pointer of the data buffer zone,
It is not the legacy protocol to judge the corresponding communication protocol of the command signal.
Another technical scheme that the present invention is used for:A kind of electric energy meter based on object-oriented agreement and legacy protocol is certainly
Adaptive device, comprising:
Receiving module, for receiving the command signal that main website or acquisition terminal are sent;
Identification module, for recognizing the corresponding communication protocol of the command signal, the communication protocol include being based on towards
Object Protocol or legacy protocol;
Parsing and performing module, parse the command signal, and perform phase according to analysis result according to the communication protocol
The operation answered.
Further, in addition to a data buffering module, the corresponding communication of the command signal is recognized in electric energy meter
Before agreement, the command signal is stored in the data buffering module.
Further, described parsing and performing module, for parsing the command signal, bag according to the communication protocol
Include:Determine the corresponding communication protocol of the command signal be it is described be based on object-oriented agreement or legacy protocol when,
Parse the command signal;Or
Determining that the corresponding communication protocol of the command signal is not based on object-oriented agreement, nor described
During legacy protocol, judge the command signal mistake and abandon the command signal.
Further, whether the identification module, it is the base to determine the corresponding communication protocol of the command signal
In object-oriented agreement, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one first head, first head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether the bebinning character for judging data is 68H;If the determination result is YES, the length byte of data is obtained, judgement is
It is no to meet DL/T698 agreements;
If the determination result is YES, judge whether address field meets DL/T698 agreements;
If the determination result is YES, judge whether frame head check character meets DL/T698 agreements;
If the determination result is YES, whether judgment frame check character meets DL/T698 agreements;
If the determination result is YES, perform step and judge whether the termination character of data is 16H;
If the determination result is YES, judge that the command signal meets DL/T698 agreements, institute is parsed according to the communication protocol
Command signal is stated, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on first head address increase by 1 of pointer, abandons described first
The byte of address before head identification pointer, whether the bebinning character for rejudging data in data buffer zone is 68H.
Further, the identification module, when first head, identification pointer is moved to the data buffer zone
When at tail pointer, the communication protocol for judging the command signal is not described based on object-oriented agreement.
Further, whether the identification module, it is the biography to determine the corresponding communication protocol of the command signal
System agreement, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one second head, second head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether first bebinning character for judging data is 68H;
If the determination result is YES, whether second bebinning character for judging data is 68H;
If the determination result is YES, the length byte of data is obtained, judges whether to meet DL/T645 agreements;
If the determination result is YES, judge whether the check code of data meets DL/T645 agreements;
If the determination result is YES, whether the termination character for judging data is 16H;
If the determination result is YES, judge that the command signal meets DL/T645 agreements, according to communication protocol parsing
Command signal, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on second head address increase by 1 of pointer, abandons described second
The byte of address before head identification pointer, whether first bebinning character for rejudging data is 68H.
Further, the identification module, when second head, identification pointer is moved to the data buffer zone
When at tail pointer, the communication protocol for judging the command signal is not the legacy protocol.
The another technical scheme that the present invention is used for:A kind of electric energy meter, comprising above-mentioned based on object-oriented agreement and tradition
The electric energy meter self-reacting device of agreement.
The invention has the advantages that or beneficial effect:The present invention enables electric energy meter compatibility DL/T 645 and DL/T 698
Two kinds of agreements, realize the self-adapting estimation of both agreements, improve the interactive efficiency communicated between acquisition system.In addition, this
Invention improves meter compatibility, reduces the replacement cost of electric energy meter.
Brief description of the drawings
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is the schematic flow sheet one of the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet two of the embodiment of the present invention one;
Fig. 3 is that the embodiment of the present invention one judges whether command signal meets the schematic flow sheet of DL/T698 agreements;
Fig. 4 is that the embodiment of the present invention one judges whether command signal meets the schematic flow sheet of DL/T654 agreements;
Fig. 5 is the structural representation of the electric energy meter self-reacting device of the embodiment of the present invention two.
Embodiment
With reference to specification drawings and specific embodiments, the present invention is described in detail.
Embodiment one
The present embodiment is a kind of electric energy meter adaptive approach based on object-oriented agreement and legacy protocol, and idiographic flow is such as
Shown in Fig. 1.
Electric energy meter adaptive approach based on object-oriented agreement and legacy protocol as shown in Figure 1, its step is as follows:
S1, electric energy meter receive the command signal that main website or acquisition terminal are sent;
S2, electric energy meter recognize the corresponding communication protocol of the command signal;
S3, according to the communication protocol command signal is parsed, and corresponding operation is performed according to analysis result.
Specifically, in the self-adaptive identification method of the electric energy meter, electric energy meter receives main website or acquisition terminal is sent
After the command signal come, the command signal is identified, the corresponding communication protocol of the command signal, and the root after judgement is judged
Command signal is parsed according to the communication protocol, then electric energy meter performs corresponding operation according to analysis result.
Wherein, the command signal that main website or acquisition terminal are sent is by legacy protocol and based on being based on face towards corresponding
To Object Protocol, wherein legacy protocol is the agreements of DL/T 645 (legacy protocol used before electric energy meter), based on towards right
As agreement is the agreements of DL/T 698 (the new agreement i.e. based on object-oriented).Accordingly, electric energy meter is received after command signal, is sentenced
The command signal of breaking meets DL/T645 agreements or DL/T698 agreements.
For further, before the corresponding communication protocol of electric energy meter recognition command signal, one is opened up for the command signal
Data buffer zone, and the command signal is stored in the data buffer zone, form a circular queue structure.Carrying out communication protocols
During view identification, whether meet link-layer frame form by the data from head pointer to tail pointer recognized in buffering area, if
Do not meet, then head pointer one byte (the corresponding byte of head pointer before discarding) of forward movement be identified again,
Until occurring meeting a complete frame data.If when head pointer does not all occur meeting communication protocol corresponding to tail pointer
During one frame data of link-layer frame form, illustrate the command signal and do not meet the communication protocol, then need whether to belong to it
Other communication protocols are judged or directly abandoned.
Specifically, it is the data buffer zone that each communication channel is opened up after electric energy meter receives command signal, is ring
Shape queue structure, wherein:PTail is circle queue tail pointer, often receives a data and adds, and points to next data and deposits
The position of storage;PHead_645 recognizes pointer for the second head of the agreement of circle queue 645;PHead_698 is circle queue 698
The first head identification pointer of agreement.When being identified, agreement possesses each independent head pointer pHead, tail pointer
PTail is then offset by physical receipt layer control;In respective identification process by recognize pHead to pTail data whether
Meet link-layer frame form, pHead plus 1 if not meeting, abandon a byte, identification, until pHead is equal to pTail;If symbol
The pHead that then fixes is closed, continues to recognize other frame format conditions, until meeting a complete frame.
For further, as shown in Fig. 2 in step s 2, electric energy meter judges the corresponding communication protocol process of command signal
Including step:
S21, judge whether the corresponding communication protocol of the command signal is DL/T698 agreements, if so, performing step S3;It is no
Then, step S22 is performed;
S22, judge whether the corresponding communication protocol of the command signal is DL/T645 agreements, if so, performing step S3;It is no
Then, step S23 is performed;
S23, judge the command signal mistake and abandon the command signal.
Specifically, during electric energy meter judges the corresponding communication protocol of command signal, it is first determined whether meeting
DL/T698 agreements, if not judging whether to meet DL/T645 agreements again.If the communication protocol of the command signal is not meet DL/
T698 does not meet DL/T645 yet, then it is wrong to illustrate the command signal, and the signal can not be identified for electric energy meter, institute
To abandon the signal.
As shown in table 1, its be DL/T698 communication protocols frame format:
The frame format of table 1DL/T698 communication protocols
So, as shown in figure 3, judge the command signal whether meet DL/T698 agreements process include step:
Whether S211, the data length judged in data buffer zone are 0, if it is not, performing step S212;Otherwise, exit
Identification process;
S212, by the first head identification pointer be positioned at the head of the queue of data buffer zone;
S213, judge whether bebinning character is 68H, if so, performing step S214;Otherwise, step S2110 is performed;
S214, acquisition length byte, judge whether to meet DL/T698 agreements, if so, performing step S215;Otherwise, perform
Step S2110;
S215, judge whether address field meets DL/T698 agreements, if so, performing step S216;Otherwise, step is performed
S2110;
S216, judge whether frame head check character meets DL/T698 agreements, if so, performing step S217;Otherwise, step is performed
Rapid S2110;
Whether S217, judgment frame check character meet DL/T698 agreements, if so, performing step S218;Otherwise, step is performed
S2110;
S218, judge whether termination character is 16H, if so, performing step S219;Otherwise, step S2110 is performed;
S219, judge that the command signal meets DL/T698 agreements, perform step S3;
S2110, the address increase by 1 by the first head identification pointer, abandon address before the first head identification pointer
Byte, return to step S213.
Wherein, it is worthy of note that, when the first head identification pointer be moved at the tail pointer of data buffer zone when, sentence
The communication protocol for determining command signal is not described based on object-oriented agreement.
As shown in table 2, its be DL/T645 communication protocols frame format:
The frame format of table 2DL/T645 communication protocols
Explanation | Code |
Start-of-frame | 68H |
Address field | A0~A5 |
Start-of-frame | 68H |
Control code | C |
Data field length | L |
Data field | DATA |
Check code | CS |
End mark | 16H |
So, as shown in figure 4, judge the command signal whether meet DL/T645 agreements process include step:
Whether S221, the data length judged in data buffer zone are 0, if it is not, performing step S222;Otherwise, exit
Identification process;
S222, by the second head identification pointer be positioned at the head of the queue of data buffer zone;
S223, judge whether first bebinning character is 68H, if so, performing step S224;Otherwise, step S229 is performed;
S224, judge whether second bebinning character is 68H, if so, performing step S225;Otherwise, step S229 is performed;
S225, acquisition data field length byte, judge whether to meet DL/T645 agreements, if so, performing step S226;It is no
Then, step S229 is performed;
S226, judge whether check code meets DL/T645, if so, performing step S227;Otherwise, step S229 is performed;
S227, judge whether termination character is 16H, if so, performing step S228;Otherwise, step S229 is performed;
S228, judge that the command signal meets DL/T645 agreements, perform step S3;
Address before S229, the address increase by 1 by the second head identification pointer, the second head of discarding identification pointer
Byte, return to step S223.
Wherein, it is worthy of note that, when the second head identification pointer be moved at the tail pointer of data buffer zone when, sentence
The communication protocol for determining command signal is not the legacy protocol.
In the electric energy meter adaptive approach set forth above based on object-oriented agreement and legacy protocol, electric energy meter can
Compatible DL/T 645 and 698 two kinds of agreements of DL/T, realize the self-adapting estimation of both agreements, improve between acquisition system
The interactive efficiency of communication.In addition, the present invention improves meter compatibility, the replacement cost of electric energy meter is reduced.
Embodiment two
The present embodiment is related to a kind of electric energy meter self-reacting device based on object-oriented agreement and legacy protocol, such as Fig. 5 institutes
Show, the device is included:
Receiving module, for receiving the command signal that main website or acquisition terminal are sent;
Identification module, for recognizing the corresponding communication protocol of the command signal, the communication protocol include being based on towards
Object Protocol or legacy protocol;
Parsing and performing module, parse the command signal, and perform phase according to analysis result according to the communication protocol
The operation answered;
Data buffering module, before electric energy meter recognizes the corresponding communication protocol of the command signal, by the life
Signal is made to be stored in the data buffering module.
Described parsing and performing module, for parsing the command signal according to the communication protocol, including:It is determined that
It is described when being based on object-oriented agreement or legacy protocol to go out the corresponding communication protocol of the command signal, parses the life
Make signal;Or
Determining that the corresponding communication protocol of the command signal is not based on object-oriented agreement, nor described
During legacy protocol, judge the command signal mistake and abandon the command signal.
Specifically, whether the identification module, it is the base to determine the corresponding communication protocol of the command signal
In object-oriented agreement, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one first head, first head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether the bebinning character for judging data is 68H;If the determination result is YES, the length byte of data is obtained, judgement is
It is no to meet DL/T698 agreements;
If the determination result is YES, judge whether address field meets DL/T698 agreements;
If the determination result is YES, judge whether frame head check character meets DL/T698 agreements;
If the determination result is YES, whether judgment frame check character meets DL/T698 agreements;
If the determination result is YES, perform step and judge whether the termination character of data is 16H;
If the determination result is YES, judge that the command signal meets DL/T698 agreements, institute is parsed according to the communication protocol
Command signal is stated, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on first head address increase by 1 of pointer, abandons described first
The byte of address before head identification pointer, whether the bebinning character for rejudging data in data buffer zone is 68H.
When first head identification pointer is moved at the tail pointer of the data buffer zone, the order is judged
The communication protocol of signal is not described based on object-oriented agreement.
Specifically, whether the identification module, it is the biography to determine the corresponding communication protocol of the command signal
System agreement, including:
Whether judge the data length in the data buffer zone is 0;
If the determination result is YES pointer is recognized there is provided one second head, second head identification pointer is positioned over institute
State at the head of the queue of data buffer zone;
Whether first bebinning character for judging data is 68H;
If the determination result is YES, whether second bebinning character for judging data is 68H;
If the determination result is YES, the length byte of data is obtained, judges whether to meet DL/T645 agreements;
If the determination result is YES, judge whether the check code of data meets DL/T645 agreements;
If the determination result is YES, whether the termination character for judging data is 16H;
If the determination result is YES, judge that the command signal meets DL/T645 agreements, according to communication protocol parsing
Command signal, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on second head address increase by 1 of pointer, abandons described second
The byte of address before head identification pointer, whether first bebinning character for rejudging data is 68H.
When second head identification pointer is moved at the tail pointer of the data buffer zone, the order is judged
The communication protocol of signal is not the legacy protocol.
Embodiment three
The present embodiment be related to the electric energy meter in a kind of electric energy meter, the present embodiment comprising in above-described embodiment two based on towards
The electric energy meter self-reacting device of Object Protocol and legacy protocol.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is the flow with reference to method, equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.For a person skilled in the art, read after described above, respectively
Variations and modifications are planted undoubtedly to will be evident.Therefore, appended claims should regard the true intention for covering the present invention as
With whole variations and modifications of scope.Any and all scope and content of equal value, are all considered as in Claims scope
Still belong to the intent and scope of the invention.
Claims (10)
1. a kind of electric energy meter adaptive approach based on object-oriented agreement and legacy protocol, it is characterised in that methods described bag
Include:
The electric energy meter receives the command signal that main website or acquisition terminal are sent;
The electric energy meter recognizes the corresponding communication protocol of the command signal, and the communication protocol includes being based on object-oriented agreement
Or legacy protocol;
The command signal is parsed according to the communication protocol, and corresponding operation is performed according to analysis result.
2. the electric energy meter adaptive approach according to claim 1 based on the double agreements of object-oriented and tradition, its feature exists
In the electric energy meter is recognized before the corresponding communication protocol of the command signal, also opens up a number for the command signal
According to buffering area, the command signal is stored in the data buffer zone.
3. the electric energy meter adaptive approach according to claim 2 based on the double agreements of object-oriented and tradition, its feature exists
In, the command signal is parsed according to the communication protocol, including:
Determine the corresponding communication protocol of the command signal be it is described be based on object-oriented agreement or legacy protocol when,
Parse the command signal;Or
Determining that the corresponding communication protocol of the command signal is not based on object-oriented agreement, nor the tradition
During agreement, judge the command signal mistake and abandon the command signal.
4. the electric energy meter adaptive approach based on the double agreements of object-oriented and tradition according to Claims 2 or 3, its feature
It is, the legacy protocol is DL/T645 agreements, described is DL/T698 agreements based on object-oriented agreement.
5. the electric energy meter adaptive approach according to claim 4 based on the double agreements of object-oriented and tradition, its feature exists
In, whether determine the corresponding communication protocol of the command signal is described based on object-oriented agreement, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one first head, first head identification pointer is positioned over the number
At buffering area head of the queue;
Whether the bebinning character for judging data is 68H;If the determination result is YES, the length byte of data is obtained, judges whether symbol
Close DL/T698 agreements;
If the determination result is YES, judge whether address field meets DL/T698 agreements;
If the determination result is YES, judge whether frame head check character meets DL/T698 agreements;
If the determination result is YES, whether judgment frame check character meets DL/T698 agreements;
If the determination result is YES, perform step and judge whether the termination character of data is 16H;
If the determination result is YES, judge that the command signal meets DL/T698 agreements, the life is parsed according to the communication protocol
Signal is made, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on first head address increase by 1 of pointer, abandons first head
The byte of address before identification pointer, whether the bebinning character for rejudging data in data buffer zone is 68H.
6. the electric energy meter adaptive approach according to claim 5 based on the double agreements of object-oriented and tradition, its feature exists
In, when first head identification pointer is moved at the tail pointer of the data buffer zone, the judgement command signal
Communication protocol be not it is described be based on object-oriented agreement.
7. the electric energy meter adaptive approach according to claim 4 based on towards the double agreements of correspondence and tradition, its feature exists
In, whether determine the corresponding communication protocol of the command signal is the legacy protocol, including:
Whether judge the data length in the data buffer zone is 0;
If judged result recognizes pointer to be no there is provided one second head, second head identification pointer is positioned over the number
At buffering area head of the queue;
Whether first bebinning character for judging data is 68H;
If the determination result is YES, whether second bebinning character for judging data is 68H;
If the determination result is YES, the length byte of data is obtained, judges whether to meet DL/T645 agreements;
If the determination result is YES, judge whether the check code of data meets DL/T645 agreements;
If the determination result is YES, whether the termination character for judging data is 16H;
If the determination result is YES, judge that the command signal meets DL/T645 agreements, the order is parsed according to the communication protocol
Signal, and corresponding operation is performed according to analysis result;
If above-mentioned judged result is no, it is both needed to recognize on second head address increase by 1 of pointer, abandons second head
The byte of address before identification pointer, whether first bebinning character for rejudging data is 68H.
8. the electric energy meter adaptive approach according to claim 7 based on the double agreements of object-oriented and tradition, its feature exists
In, when second head identification pointer is moved at the tail pointer of the data buffer zone, the judgement command signal
Communication protocol be not the legacy protocol.
9. a kind of electric energy meter self-reacting device based on object-oriented agreement and legacy protocol, it is characterised in that include:
Receiving module, for receiving the command signal that main website or acquisition terminal are sent;
Identification module, for recognizing the corresponding communication protocol of the command signal, the communication protocol includes being based on object-oriented
Agreement or legacy protocol;
Parsing and performing module, parse the command signal, and perform accordingly according to analysis result according to the communication protocol
Operation.
10. a kind of electric energy meter, it is characterised in that described electric energy meter comprising described in claim 9 based on object-oriented agreement
With the electric energy meter self-reacting device of legacy protocol.
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