CN111314133A - Ammeter communication module upgrading method, ammeter control module and ammeter communication module - Google Patents
Ammeter communication module upgrading method, ammeter control module and ammeter communication module Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000004044 response Effects 0.000 claims abstract description 21
- 238000012795 verification Methods 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- 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
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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
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- 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
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
Abstract
The invention provides an electric meter communication module upgrading method, an electric meter control module and an electric meter communication module, which relate to the technical field of electric meters and comprise the steps of obtaining a mirror image file for upgrading; verifying the legality of the mirror image file, and storing the mirror image file; sending upgrading request information to an ammeter communication module; and receiving upgrade response information sent by the ammeter communication module, and sending the image file to the communication module for upgrading. The invention can realize the remote upgrade of the ammeter communication module without changing the prior communication network, has simple method and easy realization, and is beneficial to reducing the design complexity of the communication module.
Description
Technical Field
The invention relates to the technical field of electric meters, in particular to an electric meter communication module upgrading method, an electric meter control module and an electric meter communication module.
Background
At present, electric meters and remote meter reading are popularized and applied globally, the market has higher and higher requirements on the long service life of the electric meters, and the functional requirements on the electric meters are more and more complex. In the life cycle of the electric meter, in order to meet the requirements of communication safety, newly added functions of a power supply office or defect repair of a manufacturer, the upgrading of the firmware of the electric meter and the firmware of a matched communication module is a necessary trend. The firmware of the communication module is upgraded in two common modes, namely local upgrading and remote upgrading. The local upgrading needs to be carried out by manually upgrading the electric meters or the communication modules one by one on site, so that the resource waste is serious, and the cost is high; the standard remote upgrading process needs a communication module to support a DLMS protocol stack, and the design complexity of communication module software is increased.
Disclosure of Invention
The invention aims to provide an electric meter communication module upgrading method, an electric meter control module and an electric meter communication module, which can realize remote upgrading of the electric meter communication module without changing the conventional communication network, are simple and easy to realize, and are beneficial to reducing the design complexity of the communication module.
In a first aspect, an embodiment provides an electric meter communication module upgrading method applied to an electric meter control module, including:
acquiring a mirror image file for upgrading;
verifying the legality of the mirror image file, and storing the mirror image file;
sending upgrading request information to an ammeter communication module;
and receiving upgrade response information sent by the ammeter communication module, and sending the image file to the communication module for upgrading.
In an optional embodiment, after verifying the validity of the image file, storing the image file includes:
judging the integrity and the legality of the image file, and if the image file is complete and legal, storing the image file into a nonvolatile memory of the ammeter; otherwise, recording the failure event of the image file verification.
In an optional embodiment, sending the image file to a communication module for upgrading includes:
receiving the ith block of image file data sent by the ammeter control module; wherein i is not greater than the maximum number of blocks of the image file;
sending the ith block of image file data to an electric meter communication module according to the ith block of image file data sent by the electric meter control module;
repeatedly executing the steps until all the mirror image files are sent;
and receiving the checking state information sent by the ammeter communication module, and recording an upgrade success event or an upgrade failure event according to the checking state information.
In a second aspect, an embodiment provides an electric meter communication module upgrading method, which is applied to an electric meter communication module, and includes:
receiving upgrading request information sent by an ammeter control module;
sending upgrading response information to the ammeter control module according to the upgrading request information;
receiving an ith block of image file sent by an ammeter control module, wherein i is not more than the maximum block number of the image file;
judging whether an ith block of image file is received or not, if so, saving the ith block of image file and continuously receiving an (i + 1) th block of image file, otherwise, continuously waiting for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to an ammeter control module.
In an alternative embodiment, the method further comprises:
if all the image files are received, performing cyclic redundancy check on the image files to obtain a check result;
and sending verification state information to the ammeter control module according to a verification result.
In a third aspect, an embodiment provides an electricity meter control module, including:
the file acquisition module is used for acquiring a mirror image file for upgrading;
the file verification module is used for storing the mirror image file after verifying the legality of the mirror image file;
the request sending module is used for sending upgrading request information to the ammeter communication module;
and the file sending module is used for receiving the upgrading response information sent by the ammeter communication module and sending the image file to the communication module for upgrading.
In a fourth aspect, an embodiment provides an electricity meter communication module, including:
the request receiving module is used for receiving upgrading request information sent by the ammeter control module;
the response sending module is used for sending upgrading response information to the ammeter control module according to the upgrading request information;
the file receiving module is used for receiving the ith block of image file sent by the ammeter control module, wherein i is not more than the maximum block number of the image file;
the judging module is used for judging whether the ith block of image file is received or not, if so, saving the ith block of image file and continuously receiving the (i + 1) th block of image file, otherwise, continuously waiting for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to an ammeter control module.
In a fifth aspect, embodiments provide an electric meter, including the electric meter control module according to the third aspect and the electric meter communication module according to the fourth aspect; the ammeter control module is connected with the ammeter communication module.
In a sixth aspect, an embodiment provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the method of any one of the foregoing embodiments when executing the computer program.
In a seventh aspect, embodiments provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method of any of the preceding embodiments.
According to the electric meter communication module upgrading method, the electric meter control module and the electric meter communication module, the image file is received and stored through the electric meter control module, so that an upgrading request is sent to the communication module during upgrading, and the image file is sent to the communication module after the communication module responds to the upgrading request so as to be upgraded; the invention can realize the remote upgrade of the communication module of the ammeter without changing the communication network of the prior communication module, has simple method and easy realization, and is beneficial to reducing the design complexity of the communication module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of an electric meter communication module upgrading method applied to an electric meter control module according to an embodiment of the present invention;
fig. 2 is a flowchart of an electric meter communication module upgrading method applied to an electric meter communication module according to an embodiment of the present invention;
FIG. 3 is a system diagram of a meter control module according to an embodiment of the present invention;
FIG. 4 is a system schematic diagram of a meter communication module according to an embodiment of the invention;
FIG. 5 is a system diagram of an electricity meter according to an embodiment of the present invention;
fig. 6 is a system schematic diagram of an electronic device according to an embodiment of the present invention.
Icon: 31-a file acquisition module; 32-a document authentication module; 33-request sending module; 34-a file sending module; 41-request receiving module; 42-response sending module; 43-a file receiving module; 44-a judgment module; 100-an electricity meter control module; 200-an electricity meter communication module; 400-an electronic device; 401 — a communication interface; 402-a processor; 403-a memory; 404-bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as meaning either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, the firmware upgrading mode of the ammeter communication module adopts local upgrading or a mode that a master station directly upgrades the communication module, so that the cost is high, the design complexity is high, and the communication module cannot be upgraded through the ammeter. Therefore, the embodiment provides the electric meter communication module upgrading method, the electric meter control module and the electric meter communication module, the electric meter communication module can be upgraded remotely without changing the existing communication network, the method is simple, easy to implement and beneficial to reducing the design complexity of the communication module.
Referring to fig. 1, the embodiment provides an electric meter communication module upgrading method applied to an electric meter control module, including the following steps:
s110, acquiring a mirror image file for upgrading;
s120, verifying the legality of the mirror image file, and storing the mirror image file;
s130, sending upgrading request information to an ammeter communication module;
and S140, receiving the upgrade response information sent by the ammeter communication module, and sending the image file to the communication module for upgrading.
Specifically, the electric meter acquires an image file for upgrading the communication module from an upper computer or a master station. The specific flow is shown in section 4.4.6 of Blue _ Book _ edge _12-2, Page 95-Page 102.
It should be noted that the electric meter may also receive the image file through the communication module, and then perform the verification and storage in step S120.
And after the ammeter control module acquires the image file, verifying the legality and the integrity of the image file, and if the verification fails, recording a verification failure event of the image file. And if the verification is successful, storing the image file in a nonvolatile memory outside the electric meter, and reading the image file from the nonvolatile memory and transmitting the image file when the image file needs to be transmitted to the electric meter communication module.
The electric meter upgrading process of this embodiment includes two steps, that is, the electric meter control module in step S130 notifies the electric meter communication module to acquire the image file, and the image file transmission process in step S140.
The method does not need to change the existing communication network into a DLMS protocol stack, does not need to design a complex communication module, can realize upgrading only on the basis of the existing communication module, is simple and easy to realize, and is favorable for reducing the design complexity of the communication module.
Optionally, step S120 in the above embodiment includes the following steps:
judging the integrity and the legality of the image file, and if the image file is complete and legal, storing the image file into a nonvolatile memory of the ammeter; otherwise, recording the failure event of the image file verification.
Specifically, after receiving a complete image file, the electric meter judges whether the image file is complete and legal, if not, the electric pump records a failure event of the image file, and the process is ended; if yes, the image file is stored and then upgrading request information is sent;
receiving upgrade response information sent by an ammeter communication module;
and judging whether the upgrade response information sent by the communication module is received, if so, entering the mirror image file transmission process of the step S140 by the electric meter, and if not, repeatedly receiving the upgrade response information within the preset times of the preset time period. And if the upgrade response information is not received within the preset times, ending the process.
The preset time period is usually 10 seconds, and the preset number of times is usually 3 times.
Optionally, the sending the image file to the communication module for upgrading in step S140 in the foregoing embodiment includes the following steps:
receiving the ith block of image file data sent by the ammeter control module; wherein i is not more than the maximum block number of the mirror image file;
sending the ith block of image file data to an electric meter communication module according to the ith block of image file data sent by the electric meter control module;
repeatedly executing the steps until all the mirror image files are sent;
and receiving the verification state information sent by the ammeter communication module, and recording an upgrade success event or an upgrade failure event according to the verification state information.
Specifically, the communication module waits for receiving the ith block of image file data, and continues processing if the data is received. Otherwise, after the waiting time T is delayed, the previous two steps are repeatedly executed (namely the ith block of image file data sent by the electric meter control module is received). If the N times of repetition fail, the upgrading fails, and upgrading failure processing is carried out. To ensure communication timeliness and reliability, T is usually 10s, and N is usually 3 times.
And then, the communication module judges whether all the image files are received or not, and if all the image files are received, the processing is continued. Otherwise, the ith block of mirror image file data sent by the electric meter control module is repeatedly received.
And judging whether all the image files are received or not according to the i-image file size/image file transmission size-1.
Referring to fig. 2, the embodiment provides an electric meter communication module upgrading method, which is applied to an electric meter communication module, and includes the following steps:
s210, receiving upgrading request information sent by an ammeter control module;
s220, sending upgrading response information to the ammeter control module according to the upgrading request information;
s230, receiving an ith block of image file sent by the ammeter control module, wherein i is not more than the maximum block number of the image file;
s240, judging whether the ith block of image file is received or not, if so, saving the ith block of image file and continuously receiving the (i + 1) th block of image file, otherwise, continuously waiting for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to the ammeter control module.
Optionally, the electric meter communication module upgrading method according to the above embodiment further includes the following steps:
if all the mirror image files are received, performing cyclic redundancy check on the mirror image files to obtain a check result;
and sending the checking state information to the ammeter control module according to the checking result.
Specifically, the communication module usually adopts cyclic redundancy check (CRC check), the check is passed, the upgrade success status is sent to the electric meter, and the electric meter records the upgrade success event of the communication module. And if the verification fails, sending an upgrading failure state to the ammeter, and recording an upgrading failure event of the communication module by the ammeter.
Referring to fig. 3, the present embodiment provides an electricity meter control module, including:
a file obtaining module 31, configured to obtain an image file for upgrading;
the file verification module 32 is used for storing the mirror image file after verifying the validity of the mirror image file;
the request sending module 33 is used for sending upgrading request information to the ammeter communication module;
and the file sending module 34 is used for receiving the upgrade response information sent by the ammeter communication module and sending the image file to the communication module for upgrading.
Optionally, the file verification module 32 in the electric meter control module of the above embodiment specifically includes:
judging the integrity and the legality of the image file, and if the image file is complete and legal, storing the image file into a nonvolatile memory of the ammeter; otherwise, recording the failure event of the image file verification.
Optionally, the file sending module 34 in the electric meter control module of the above embodiment includes:
the mirror image file data receiving module is used for receiving the ith block of mirror image file data sent by the ammeter control module; wherein i is not more than the maximum block number of the mirror image file;
the mirror image file data sending module is used for sending the ith block of mirror image file data to the ammeter communication module according to the ith block of mirror image file data sent by the ammeter control module;
the repeating module is used for repeatedly executing the steps until all the mirror image files are sent;
and the recording module is used for receiving the verification state information sent by the ammeter communication module and recording an upgrade success event or an upgrade failure event according to the verification state information.
Referring to fig. 4, the present embodiment provides an electricity meter communication module, including:
a request receiving module 41, configured to receive upgrade request information sent by the electric meter control module;
the response sending module 42 is used for sending upgrading response information to the ammeter control module according to the upgrading request information;
the file receiving module 43 is configured to receive the ith block of image file sent by the electric meter control module, where i is not greater than the maximum block number of the image file;
the judging module 44 is configured to judge whether the ith block of image file is received, if so, save the ith block of image file and continue to receive the (i + 1) th block of image file, and otherwise, continue to wait for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to the ammeter control module.
Optionally, the electric meter communication module of the above embodiment further includes:
the verification module is used for performing cyclic redundancy verification on the mirror image files to obtain a verification result if all the mirror image files are received;
and the checking state information sending module is used for sending the checking state information to the ammeter control module according to the checking result.
Referring to fig. 5, the present embodiment provides an electricity meter including an electricity meter control module 100 as in the previous embodiment and an electricity meter communication module 200 as in the previous embodiment; the meter control module 100 is connected to the meter communication module 200.
Referring to fig. 6, an embodiment of the present invention further provides an electronic device 400, which includes a communication interface 401, a processor 402, a memory 403, and a bus 404, where the processor 402, the communication interface 401, and the memory 403 are connected by the bus 404; the memory 403 is used for storing a computer program for supporting the processor 402 to execute the electric meter communication module upgrading method, and the processor 402 is configured to execute the program stored in the memory 403.
Optionally, an embodiment of the present invention further provides a computer-readable medium having non-volatile program code executable by a processor, where the program code causes the processor to execute the method for upgrading the electric meter communication module in the above embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An electric meter communication module upgrading method is applied to an electric meter control module and comprises the following steps:
acquiring a mirror image file for upgrading;
verifying the legality of the mirror image file, and storing the mirror image file;
sending upgrading request information to an ammeter communication module;
and receiving upgrade response information sent by the ammeter communication module, and sending the image file to the communication module for upgrading.
2. The method of claim 1, wherein storing the image file after verifying the validity of the image file comprises:
judging the integrity and the legality of the image file, and if the image file is complete and legal, storing the image file into a nonvolatile memory of the ammeter; otherwise, recording the failure event of the image file verification.
3. The method of claim 1, wherein sending the image file to a communication module for upgrade comprises:
receiving the ith block of image file data sent by the ammeter control module; wherein i is not greater than the maximum number of blocks of the image file;
sending the ith block of image file data to an electric meter communication module according to the ith block of image file data sent by the electric meter control module;
repeatedly executing the steps until all the mirror image files are sent;
and receiving the verification state information sent by the ammeter communication module, and recording an upgrade success event or an upgrade failure event according to the verification state information.
4. The electric meter communication module upgrading method is applied to an electric meter communication module and comprises the following steps:
receiving upgrading request information sent by an ammeter control module;
sending upgrading response information to the ammeter control module according to the upgrading request information;
receiving an ith block of image file sent by an ammeter control module, wherein i is not more than the maximum block number of the image file;
judging whether an ith block of image file is received or not, if so, saving the ith block of image file and continuously receiving an (i + 1) th block of image file, otherwise, continuously waiting for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to an ammeter control module.
5. The method of claim 4, further comprising:
if all the image files are received, performing cyclic redundancy check on the image files to obtain a check result;
and sending verification state information to the ammeter control module according to a verification result.
6. An electricity meter control module, comprising:
the file acquisition module is used for acquiring a mirror image file for upgrading;
the file verification module is used for storing the mirror image file after verifying the legality of the mirror image file;
the request sending module is used for sending upgrading request information to the ammeter communication module;
and the file sending module is used for receiving the upgrading response information sent by the ammeter communication module and sending the image file to the communication module for upgrading.
7. An electricity meter communication module, comprising:
the request receiving module is used for receiving upgrading request information sent by the ammeter control module;
the response sending module is used for sending upgrading response information to the ammeter control module according to the upgrading request information;
the file receiving module is used for receiving the ith block of image file sent by the ammeter control module, wherein i is not more than the maximum block number of the image file;
the judging module is used for judging whether the ith block of image file is received or not, if so, saving the ith block of image file and continuously receiving the (i + 1) th block of image file, otherwise, continuously waiting for receiving the ith block of image file within a preset time period; and judging whether the image file is received or not, and if the image file is not received, sending upgrading failure information to an ammeter control module.
8. An electricity meter comprising the meter control module of claim 6 and the meter communication module of claim 7; the ammeter control module is connected with the ammeter communication module.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any of the preceding claims 1 to 4 are implemented when the computer program is executed by the processor.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 1 to 4.
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| CN111857777A (en) * | 2020-07-16 | 2020-10-30 | 南方电网数字电网研究院有限公司 | System updating method and device based on double-core intelligent electric meter and computer equipment |
| WO2022083046A1 (en) * | 2020-10-20 | 2022-04-28 | 威胜集团有限公司 | Smart electricity meter checking method and apparatus, smart electricity meter, and computer storage medium |
| CN115604113B (en) * | 2022-10-20 | 2023-09-29 | 杭州粒合信息科技有限公司 | FAN network equipment rapid upgrading method, system, equipment and medium |
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