CN108964843A - A method of it is realized and is upgraded by intelligent electric energy meter infrared interface - Google Patents
A method of it is realized and is upgraded by intelligent electric energy meter infrared interface Download PDFInfo
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- CN108964843A CN108964843A CN201810677835.9A CN201810677835A CN108964843A CN 108964843 A CN108964843 A CN 108964843A CN 201810677835 A CN201810677835 A CN 201810677835A CN 108964843 A CN108964843 A CN 108964843A
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- electric energy
- energy meter
- intelligent electric
- upgrade
- infrared interface
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Classifications
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Selective Calling Equipment (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to intelligent electric energy meter technical fields, a kind of more particularly to method that upgrading is realized by intelligent electric energy meter infrared interface, it mainly carries out data penetration transmission by infrared interface, realizes the upgrading of communication module, this upgrade method operation is convenient and upgrading is stablized.
Description
Technical field
The present invention relates to intelligent electric energy meter technical fields, more particularly to a kind of realized by intelligent electric energy meter infrared interface to rise
The method of grade.
Background technique
With the gradual perfection that smart grid is built, the intelligent electric energy meter as smart grid construction key link is by passing
System electric energy meter gradually grows up, it is important intelligent terminal in smart grid.Intelligent electric meter has a vast market,
Requirement simultaneously to the performance of ammeter is also higher and higher.
Communication module (such as G3, GPRS, 3G, 4G etc.) is the important component of intelligent electric meter, has remote meter reading, intelligence
Can ammeter event the functions such as report.If communication module program needs to upgrade, there are two types of forms for the prior art, and one is by long-range
Upgrading mode, but this upgrading mode is easy that it is unstable to be in turn resulted in upgrading data by external interference；There are also one is logical
It needs to plug communication module when crossing upgrading tooling and carry out upgrade communication module, but upgrading, connects serial ports, it is not very convenient to operate.
Summary of the invention
The technical problems to be solved by the present invention are: providing, one kind is easy to operate and what upgrading was stable passes through intelligent electric energy meter
The method that infrared interface realizes upgrading.
The technical scheme adopted by the invention is that: a method of it is realized and is upgraded by intelligent electric energy meter infrared interface, it
The following steps are included:
S1, host computer send the signal of communication of setting by infrared interface；
S2, intelligent electric energy meter detection signal of communication continue to detect if not detecting, if detecting the communication of setting
Signal then enters transparent transmission mode, then branches in next step；
S3, intelligent electric energy meter and host computer are verified, if verification passes through, are replied host computer confirmation signal, are then branched to
In next step；If verification does not pass through, infrared interface is initialized, and exit transparent transmission mode；
S4, host computer receive confirmation signal, then pass through infrared interface sending module upgrade command；
The module receiving module upgrade command that S5, needs upgrade, the module for then needing to upgrade judge whether to be upgraded,
If judgement needs to upgrade, confirmation upgrade signal is sent to host computer, is then branched in next step；If judgement does not need to be risen
Grade then sends not upgrade signal and while initializing infrared interface, and exit transparent transmission mode to host computer；
S6, host computer receive confirmation upgrade signal, then module upgrade data packet is passed through infrared interface transparent transmission frame by frame by host computer
It is sent to intelligent electric energy meter, intelligent electric energy meter is transmitted to the module for needing to upgrade, if a frame receives returning for module after sending
Multiple confirmation then continues to send subsequent frame, until whole frame numbers are all sent, then jumps in next step；If a frame sends the past
It does not receive reply confirmation before the deadline afterwards, then retransmits the frame within the scope of limitation sending times, if it is true to receive reply
Recognize, then send next frame, if not receiving reply confirmation often still after reaching limitation sending times, initializes infrared connect
Mouthful, and exit transparent transmission mode；
After S7, host computer confirmation module upgrading data packet are all sent, sending module reset command；
S8, initialization infrared interface, and exit transparent transmission mode.
Verification in step S3 the following steps are included:
S31, intelligent electric energy meter generate random number and are sent to host computer by infrared interface, and according to intelligent electric energy meter storage
Signcode processing random number obtains first password number；
Then the random number that S32, host computer receive handles the random number received according to the signcode of storage and obtains second
Then second password number is sent to intelligent electric energy meter by password number；
S33, intelligent electric energy meter receive the second password number that host computer sends over, and then obtain the second password number with step S31
To first password number compare, if the two is identical, be judged as that verification is correct, if the two is not identical, be judged as verification not
Correctly.
Step S31, the random number mentioned in S32 and S33 is eight random numbers, and obtained first password number and the
Two password numbers are also eight.
The signcode is LLS password.
It include Z in the signal of communication of step S1 setting, and if detect signal of communication in step S2, it is also necessary to judge
The value of Z does not switch communication baud rate if Z=0, if Z is not equal to 0, needs to switch communication baud rate according to the value of Z.
Module upgrade order is sent to intelligent electric energy meter, and intelligent electric energy meter by infrared interface by host computer in step S5
Module upgrade order is directly transmitted to the module for needing to upgrade.
Step S5 needs whether the module upgraded judgement can be carried out upgrading at this time.
If not receiving return signal in the host computer stipulated time in step S5, repeating transmission mould within the scope of sending times is limited
Block upgrade command enters upgrade procedure transmission phase if receiving confirmation upgrade signal；If receiving not upgrade signal, reset
Infrared interface, and exit transparent transmission mode；If resetting infrared interface there are no receiving to reply after reaching limitation sending times,
And exit transparent transmission mode.
It, will using above method compared with prior art, the invention has the following advantages that by infrared interface transparent transmission mode
Upgrading data packet directly passes through upgraded module by infrared interface, and such upgrading stability is higher, and does not need plug liter
Grade module, upgrades more convenient.
And using setting password and to be LLS password verified, and can guarantee not will do it maloperation in this way.
And it is arranged to eight random numbers and password number, calculating in this way is got up more convenient, and it is preferable to verify effect.
One Z value is set, different communication baud rates can be selected according to different upgrade cases in this way, be adapted in this way
Property is higher.
And need whether judgment module can be carried out upgrading at this time when judging whether upgrading, consideration situation in this way is completeer
Entirely.
Specific embodiment
The present invention is described further below by way of specific embodiment, but the present invention is not limited only in detail below in fact
Apply mode.
A method of by intelligent electric energy meter infrared interface realize upgrade, it the following steps are included:
S1, host computer send the signal of communication of setting by infrared interface；The signal of communication set in this embodiment
Communication frame is 0 Z of ACK, 6 CR LF；And it receives communication frame also to need to judge Z value later, if Z=0, does not switch communication wave
Special rate needs to switch communication baud rate according to the value of Z if Z is not equal to 0.
S2, intelligent electric energy meter detection signal of communication continue to detect if not detecting, if detecting setting
Signal of communication then enters transparent transmission mode, then branches in next step；
S3, intelligent electric energy meter and host computer are verified, verification the following steps are included:
S31, intelligent electric energy meter generate eight random numbers and are sent to host computer by infrared interface, and are stored up according to intelligent electric energy meter
The LLS signcode processing random number deposited obtains eight first password numbers；
Eight random numbers that S32, host computer receive, then according to the LLS signcode of storage handle receive eight with
Machine number obtains eight the second password numbers, and the second password number is then sent to intelligent electric energy meter；
S33, intelligent electric energy meter receive the second password number that host computer sends over, and then obtain the second password number with step S31
To first password number compare, if the two is identical, be judged as that verification is correct, if the two is not identical, be judged as verification not
Correctly；
If verification passes through, host computer confirmation signal is replied, is then branched in next step；If verification does not pass through, initialize red
External tapping, and exit transparent transmission mode；
S4, host computer receive confirmation signal, then pass through infrared interface sending module upgrade command；
Module upgrade order is sent to intelligent electric energy meter by infrared interface by S5, host computer, and intelligent electric energy meter is directly by mould
Block upgrade command is transmitted to the module for needing to upgrade, and centre does not carry out additional processing, and the module for needing to upgrade receives mould
Block upgrade command, the module for then needing to upgrade judge whether to be upgraded, and whether main judgment module can be carried out at this time
Upgrading；If judgement needs to upgrade, confirmation upgrade signal is sent to host computer, is then branched in next step；If judgement does not need
Upgraded, then sends not upgrade signal and while initializing infrared interface, and exit transparent transmission mode to host computer；
S6, host computer go receive return signal, if do not received in the host computer stipulated time return signal (confirmation upgrade signal with
Not upgrade signal), then repeating transmission module upgrade order within the scope of sending times is limited, if receiving confirmation upgrade signal, enters and rises
Grade program transmission phase；If receiving not upgrade signal, infrared interface is resetted, and exit transparent transmission mode；If reaching limitation weight
There are no receiving to reply after hair number, then infrared interface is resetted, and exit transparent transmission mode.Into after upgrade procedure transmission phase,
Then by module upgrade data packet, by infrared interface, transparent transmission is sent to intelligent electric energy meter to host computer frame by frame, and intelligent electric energy meter is transmitted to
The module for needing to upgrade continues to send subsequent frame, until whole frame if a frame receives the reply confirmation of module after sending
Number is all sent, then is jumped in next step；If a frame does not receive reply confirmation after sending the past before the deadline,
It limits and retransmits the frame within the scope of sending times, if receiving reply confirmation, next frame is sent, if reaching limitation sending times
It does not receive reply confirmation often still afterwards, then initializes infrared interface, and exit transparent transmission mode；
After S7, host computer confirmation module upgrading data packet are all sent, sending module reset command；
S8, initialization infrared interface, and exit transparent transmission mode.
And there are mainly five types of infrared protocols, A, B, C, D and E, and the application mainly uses agreement C, agreement C to support band wave
300 baud bidirectional data exchanges of special rate switching, the mode allow to carry out data reading, with reinforce the mode of security protection into
Row is programmed and is operated by protocol mode as defined in manufactory.
The present invention is based on protocol mode C, meter program borrows this pattern switching to " manufactory is specific " mode, even if infrared
Interface is in transparent transmission mode and comes upgraded module, program principle are as follows:
HHU handheld terminal (hand-held unit) is a kind of to be set with message accounting and electric instrument progress the portable of data exchange
It is standby, as client device.
A kind of Tariff device message accounting (tariff device) data acquisition unit usually connects with electric instrument
It connects or combines, as server apparatus.
/ Device address CR LF is the opening imformation that HHU is sent to message accounting.
/ XXX Z Indentification CR LF is the response of message accounting.Z is baud rate
0 Z of ACK, 6 CR LF is confirmation/option selection information, determines that this request is transparent transmission mode, and is determined next logical
The baud rate of letter is Z.
STX P0 STX (D1 ... D1) ETX BCC message accounting issues 8 random numbers (D1 ... D1) to HHU.
STX P2 STX (D2 ... D2) ETX BCC HHU obtains new according to the LLS cryptographic calculations of random number and communication
Value (8) is sent to message accounting.
ACK need to judge that password, password use LLS password, correctly just can enter transparent transmission mode.Message accounting reads internal deposit
If the value that the LLS password and random number of storage are calculated replys ACK identical as (D2 ... D2), into transparent transmission mode.
If Module upgrade command HHU is module upgrade by the order that infrared interface is sent, to communication
Frame is without any processing, is directly forwarded to module.
SOH B2 ETX BCC is sent after the completion of upgrading to module resets.
SOH B0 ETX BCC is sent after the completion of upgrading initializes infrared serial interface.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of skill in the art that it still can be right
Technical solution documented by previous embodiment is modified, or is replaced on an equal basis to part of technical characteristic；And these
It modifies or replaces, the essence of corresponding technical solution is not made to be detached from the spirit and model of technical solution of various embodiments of the present invention
It encloses.
Claims (8)
1. it is a kind of by intelligent electric energy meter infrared interface realize upgrading method, which is characterized in that it the following steps are included:
S1, host computer send the signal of communication of setting by infrared interface；
S2, intelligent electric energy meter detection signal of communication continue to detect if not detecting, if detecting the communication of setting
Signal then enters transparent transmission mode, then branches in next step；
S3, intelligent electric energy meter and host computer are verified, if verification passes through, are replied host computer confirmation signal, are then branched to
In next step；If verification does not pass through, infrared interface is initialized, and exit transparent transmission mode；
S4, host computer receive confirmation signal, then pass through infrared interface sending module upgrade command；
The module receiving module upgrade command that S5, needs upgrade, the module for then needing to upgrade judge whether to be upgraded,
If judgement needs to upgrade, confirmation upgrade signal is sent to host computer, is then branched in next step；If judgement does not need to be risen
Grade then sends not upgrade signal and while initializing infrared interface, and exit transparent transmission mode to host computer；
S6, host computer receive confirmation upgrade signal, then module upgrade data packet is passed through infrared interface transparent transmission frame by frame by host computer
It is sent to intelligent electric energy meter, intelligent electric energy meter is transmitted to the module for needing to upgrade, if a frame receives returning for module after sending
Multiple confirmation then continues to send subsequent frame, until whole frame numbers are all sent, then jumps in next step；If a frame sends the past
It does not receive reply confirmation before the deadline afterwards, then retransmits the frame within the scope of limitation sending times, if it is true to receive reply
Recognize, then send next frame, if not receiving reply confirmation often still after reaching limitation sending times, initializes infrared connect
Mouthful, and exit transparent transmission mode；
After S7, host computer confirmation module upgrading data packet are all sent, sending module reset command；
S8, initialization infrared interface, and exit transparent transmission mode.
2. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 1, it is characterised in that:
Verification in step S3 the following steps are included:
S31, intelligent electric energy meter generate random number and are sent to host computer by infrared interface, and according to intelligent electric energy meter storage
Signcode processing random number obtains first password number；
Then the random number that S32, host computer receive handles the random number received according to the signcode of storage and obtains second
Then second password number is sent to intelligent electric energy meter by password number；
S33, intelligent electric energy meter receive the second password number that host computer sends over, and then obtain the second password number with step S31
To first password number compare, if the two is identical, be judged as that verification is correct, if the two is not identical, be judged as verification not
Correctly.
3. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 2, it is characterised in that:
Step S31, the random number mentioned in S32 and S33 is eight random numbers, and obtained first password number and the second password number
It also is eight.
4. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 2, it is characterised in that:
The signcode is LLS password.
5. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 1, it is characterised in that:
It include Z in the signal of communication of step S1 setting, and if detect signal of communication in step S2, it is also necessary to judge the value of Z, if
Z=0 does not switch communication baud rate then, if Z is not equal to 0, needs to switch communication baud rate according to the value of Z.
6. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 1, it is characterised in that:
Module upgrade order is sent to intelligent electric energy meter by infrared interface by host computer in step S5, and intelligent electric energy meter is directly by mould
Block upgrade command is transmitted to the module for needing to upgrade.
7. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 1, it is characterised in that:
Step S5 needs the module upgraded to judge whether that carrying out upgrading refers to whether module judgement can be carried out upgrading at this time.
8. a kind of method for realizing upgrading by intelligent electric energy meter infrared interface according to claim 1, it is characterised in that:
If not receiving return signal in the host computer stipulated time in step S5, limits and retransmit module upgrade life within the scope of sending times
It enables, if receiving confirmation upgrade signal, enters upgrade procedure transmission phase；If receiving not upgrade signal, infrared interface is resetted,
And exit transparent transmission mode；If resetting infrared interface, and exit transparent transmission there are no receiving to reply after reaching limitation sending times
Mode.
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| CN201810677835.9A CN108964843A (en) | 2018-06-27 | 2018-06-27 | A method of it is realized and is upgraded by intelligent electric energy meter infrared interface |
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| CN201810677835.9A CN108964843A (en) | 2018-06-27 | 2018-06-27 | A method of it is realized and is upgraded by intelligent electric energy meter infrared interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314133A (en) * | 2020-02-14 | 2020-06-19 | 宁波三星智能电气有限公司 | Ammeter communication module upgrading method, ammeter control module and ammeter communication module |
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