CN112532417A - Intelligent ammeter upgrading method - Google Patents
Intelligent ammeter upgrading method Download PDFInfo
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- CN112532417A CN112532417A CN202010849350.0A CN202010849350A CN112532417A CN 112532417 A CN112532417 A CN 112532417A CN 202010849350 A CN202010849350 A CN 202010849350A CN 112532417 A CN112532417 A CN 112532417A
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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
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
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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
- H04L47/29—Flow control; Congestion control using a combination of thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
Abstract
The invention relates to the technical field of electric power operation and maintenance, in particular to an intelligent ammeter upgrading method, wherein a server sends a firmware downloading instruction to a first intelligent ammeter, the first intelligent ammeter downloads a firmware upgrading package for upgrading, the server sets the state of the first intelligent ammeter to be confirmed, and the server inquires the state in an upgrading table as an intelligent ammeter to be sent; the server sends a firmware transmission instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a firmware upgrading packet to the second intelligent electric meter; and the second intelligent electric meter receives the firmware upgrading packet for upgrading, and the steps are repeated, so that the second intelligent electric meter sends the firmware upgrading packet to the next intelligent electric meter until all the intelligent electric meters finish upgrading. By the method, the problem of network congestion during the upgrading of the firmware of the intelligent ammeter can be solved.
Description
Technical Field
The invention relates to the technical field of electric power operation and maintenance, in particular to an intelligent electric meter upgrading method.
Background
The intelligent electric meter undertakes the tasks of original electric energy data acquisition, metering and transmission, and simultaneously has intelligent functions of bidirectional multi-rate metering, user side control function, electricity larceny prevention function and the like, and currently, the intelligent electric meter enters thousands of households. The smart meter usually uses a single chip (such as a 51-chip microcomputer, an ARM, and an MCU) as a microprocessor, and a DSP for data acquisition and operation, and installs corresponding software firmware. When the firmware is found to have a bug or a new software function needs to be added, the firmware of the intelligent electric meter needs to be upgraded. At present, the upgrading of the intelligent electric meter needs to burn solid again by a manufacturer, and the steps are complex and time-consuming. The intelligent electric meter online upgrading method has the advantages that online upgrading of the intelligent electric meters is achieved, a master station needs to send firmware upgrading packages to each intelligent electric meter, network congestion between the master station and the intelligent electric meters is caused, upgrading speed is low, and efficiency is low.
Chinese published patent, publication number: CN109002303A discloses a method, a device and a storage medium for upgrading firmware of a smart meter. Wherein the method comprises the following steps: receiving a firmware upgrading packet of the intelligent electric meter issued by a master station; and sending the firmware upgrading package to all down-line electric meters in a broadcasting mode. According to the scheme, batch upgrading treatment is carried out on the electric meters hung downwards through the concentrator, the concentrator sends an upgrading packet to each intelligent electric meter, and the problems of network congestion and low upgrading speed still exist.
Disclosure of Invention
The invention aims to overcome the defect of network congestion during the upgrade of the firmware of the intelligent electric meter in the prior art, provides an upgrading method of the intelligent electric meter, and solves the problem of network congestion during the upgrade of the firmware of the intelligent electric meter.
In order to solve the technical problems, the invention adopts the technical scheme that: a smart meter upgrading method comprises the following steps:
s100: the server sends a firmware downloading instruction to the first intelligent electric meter, and the state of the first intelligent electric meter is set to be arranged in the upgrading meter;
s200: the first intelligent electric meter receives the firmware downloading instruction, downloads the firmware upgrading package for upgrading and sends confirmation information to the server, and the server sets the state of the first intelligent electric meter to be confirmed in the upgrading meter after receiving the confirmation information;
s300: the server inquires the intelligent electric meter to be sent in the upgrading table, and generates a firmware transmission instruction with a second intelligent electric meter identification according to the inquiry result;
s400: the server sends a firmware transmission instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a firmware upgrading packet to the second intelligent electric meter;
s500: and the second intelligent electric meter receives the firmware upgrading packet to upgrade and sends confirmation information to the server, the server sets the state of the second intelligent electric meter to be confirmed in the upgrading meter after receiving the confirmation information, and the step S300 is repeated, so that the second intelligent electric meter sends the firmware upgrading packet to the next intelligent electric meter until all the intelligent electric meters finish upgrading.
According to the method, the server is used for scheduling the intelligent electric meters, so that the firmware upgrading packages are transmitted among the intelligent electric meters, the network bandwidth among the intelligent electric meters can be fully utilized, and the intelligent electric meters which have downloaded the firmware packages transmit the firmware to the intelligent electric meters which do not download the firmware packages in the local network. The method can avoid network congestion caused by downloading the firmware package from the server by the massive intelligent electric meters at the same time, greatly reduce the read-write performance requirement of the server, and reduce the network pressure between the server and the intelligent electric meters. In addition, the state of the intelligent electric meter after the upgrade is finished is set to be confirmed, so that the situation that the upgraded intelligent electric meter sends a firmware upgrade package after being used by other intelligent electric meters can be avoided, and the scheduling efficiency of the server can be improved.
Further, step S300 specifically includes:
s310: the server inquires the intelligent electric meter to be sent in the upgrading table;
s320: setting the intelligent electric meter with the speed measuring time lower than the preset threshold value with the first intelligent electric meter as a second intelligent electric meter according to the query result of the step S310;
s330: the server generates a firmware transmission instruction with the second smart meter identification.
The speed measurement distance between the second intelligent electric meter and the first intelligent electric meter can be controlled through the preset threshold value, so that the phenomenon that the transmission speed is too slow and the upgrading of the first intelligent electric meter and the second intelligent electric meter is influenced is avoided.
Further, in step S320, the method further includes:
s321: inquiring speed measuring time from a pre-generated speed measuring table;
s322: the server screens the intelligent ammeter with the speed measuring time lower than a preset threshold value;
s323: and the server sets the intelligent electric meter with the minimum difference compared with the speed measuring time of the first intelligent electric meter as a second intelligent electric meter according to the screening result.
The intelligent electric meter with the minimum speed measuring time is selected as the second intelligent electric meter, so that the transmission of the firmware can be completed as soon as possible, and the transmission efficiency of the firmware is improved.
Further, the step of generating the velocity measurement table in step S321 is:
s321 a: the server sends a speed measurement instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a speed measurement data packet containing sending time to other intelligent electric meters;
s321 b: the server receives speed measurement time of other intelligent electric meters, wherein the speed measurement time is the time difference between the time when the other intelligent electric meters finish receiving the speed measurement data packet of the first intelligent electric meter and the time when the first intelligent electric meter sends the speed measurement data packet;
s321 c: the server generates a speed measuring meter containing the speed measuring time of the intelligent electric meter.
The speed measuring meter is generated through speed measurement between the intelligent electric meters, so that the network state between the intelligent electric meters can be rapidly inquired, and the faster intelligent electric meters can be selected for transmission in a targeted manner.
Further, the server includes:
the sending module is used for sending a firmware downloading instruction and a firmware transmission instruction;
the receiving module is used for receiving confirmation information of the intelligent electric meter;
the query module is used for querying the intelligent ammeter with the state to be sent in the upgrading table;
the setting module is used for setting the state of the intelligent electric meter in the upgrading meter;
a generation module: for generating a firmware transfer instruction having an identification.
Through server scheduling, upgrade package is passed each other between the smart electric meters, is favorable to the network bandwidth between the make full use of smart electric meters, makes the smart electric meter that has downloaded the firmware package be about to the firmware transmission for the smart electric meter that does not download the firmware package at the local network. The method avoids network congestion caused by downloading the firmware package from the server by the massive intelligent electric meters at the same time, greatly reduces the read-write performance requirement of the server, and reduces the network pressure between the server and the intelligent electric meters.
Further, the server further includes:
a screening module: the intelligent electric meter is used for screening the intelligent electric meters, and the speed measuring time between the intelligent electric meters and the first intelligent electric meter is lower than a preset threshold value.
Furthermore, the sending module is further used for sending a speed measuring instruction, and the receiving module is further used for measuring speed.
Further, the query module is further configured to query a speed measurement time from a pre-generated speed measurement table.
Further, the setting module is also used for setting the intelligent electric meter with the minimum difference value compared with the speed measuring time of the first intelligent electric meter as a second intelligent electric meter.
Furthermore, the generation module is also used for generating a speed measuring meter containing the speed measuring time of the intelligent electric meter.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the server is used for scheduling the plurality of intelligent electric meters, so that the firmware upgrading packages are mutually transmitted among the intelligent electric meters, and the network bandwidth among the intelligent electric meters can be fully utilized, so that the intelligent electric meters which have downloaded the firmware packages transmit the firmware to the intelligent electric meters which do not download the firmware packages in the local network. The invention can avoid network congestion caused by downloading the firmware package from the server by a large number of intelligent electric meters at the same time, greatly reduce the read-write performance requirement of the server and reduce the network pressure between the server and the intelligent electric meters.
Drawings
FIG. 1 is a schematic flow chart of a method in one embodiment of the present invention.
Fig. 2 is a block diagram of internal components of the server 1 in fig. 1.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example (b):
fig. 1 to fig. 2 show an upgrade method for a smart meter according to the present embodiment, in which a server schedules and regulates a plurality of smart meters, where in the present embodiment, the smart meters include a first smart meter, a second smart meter … …, a nth smart meter, and the following first smart meter and second smart meter are only for convenience of describing the method, and are not limited to the number of smart meters to which the method is applied.
Wherein, the method comprises the following steps as shown in figure 1:
s100: the server sends a firmware downloading instruction to the first intelligent electric meter, and the state of the first intelligent electric meter is set to be arranged in the upgrading meter;
the state of the intelligent electric meter is recorded in the upgrading table, the state comprises scheduled, confirmed and to-be-sent states, and the server adjusts and changes the state of the intelligent electric meter corresponding to the upgrading table according to the actual upgrading condition of the intelligent electric meter.
S200: after receiving the firmware downloading instruction, the first intelligent electric meter downloads the firmware upgrading package for upgrading and sends confirmation information to the server, and after receiving the confirmation information, the server sets the state of the first intelligent electric meter in the upgrading meter to be confirmed;
s300: the server inquires the intelligent electric meter to be sent in the upgrading table, and generates a firmware transmission instruction with a second intelligent electric meter identification according to the inquiry result;
s400: the server sends a firmware transmission instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a firmware upgrading packet to the second intelligent electric meter;
s500: and the second intelligent electric meter receives the firmware upgrading package to upgrade and sends confirmation information to the server, the server sets the state of the second intelligent electric meter to be confirmed in the upgrading meter after receiving the confirmation information, and the step S300 is repeated, so that the second intelligent electric meter sends the firmware upgrading package to the next intelligent electric meter until all the intelligent electric meters finish upgrading.
According to the method, the server is used for scheduling the intelligent electric meters, so that the firmware upgrading packages are transmitted among the intelligent electric meters, the network bandwidth among the intelligent electric meters can be fully utilized, and the intelligent electric meters which have downloaded the firmware packages transmit the firmware to the intelligent electric meters which do not download the firmware packages in the local network. The method can avoid network congestion caused by downloading the firmware package from the server by the massive intelligent electric meters at the same time, greatly reduce the read-write performance requirement of the server, and reduce the network pressure between the server and the intelligent electric meters. In addition, the state of the intelligent electric meter after the upgrade is finished is set to be confirmed, so that the situation that the upgraded intelligent electric meter sends a firmware upgrade package after being used by other intelligent electric meters can be avoided, and the scheduling efficiency of the server can be improved.
In this embodiment, step S300 specifically includes:
s310: the server inquires the intelligent electric meter in a state to be sent in the upgrading table;
s320: setting the intelligent electric meter with the speed measuring time lower than the preset threshold value with the first intelligent electric meter as a second intelligent electric meter according to the query result of the step S310;
s330: the server generates a firmware transmission instruction with the second smart meter identification.
The speed measurement distance between the second intelligent electric meter and the first intelligent electric meter can be controlled through the preset threshold value, so that the phenomenon that the transmission speed is too slow and the upgrading of the first intelligent electric meter and the second intelligent electric meter is influenced is avoided.
In this embodiment, in step S320, the method further includes:
s321: inquiring speed measuring time from a pre-generated speed measuring table;
s322: the server screens the smart electric meters with the speed measuring time lower than a preset threshold value;
s323: and the server sets the intelligent electric meter with the minimum difference compared with the speed measuring time of the first intelligent electric meter as a second intelligent electric meter according to the screening result.
The intelligent electric meter with the minimum speed measuring time is selected as the second intelligent electric meter, so that the transmission of the firmware can be completed as soon as possible, and the transmission efficiency of the firmware is improved.
In this embodiment, the step of generating the velocity measurement table in step S321 is:
s321 a: the server sends a speed measurement instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a speed measurement data packet containing sending time to other intelligent electric meters;
s321 b: the server receives speed measurement time of other intelligent electric meters, wherein the speed measurement time is the time difference between the time when the other intelligent electric meters finish receiving the speed measurement data packet of the first intelligent electric meter and the time when the first intelligent electric meter sends the speed measurement data packet;
s321 c: the server generates a speed measuring meter containing the speed measuring time of the intelligent electric meter.
The speed measuring meter is generated through speed measurement between the intelligent electric meters, so that the network state between the intelligent electric meters can be rapidly inquired, and the faster intelligent electric meters can be selected for transmission in a targeted manner.
As shown in fig. 2, the server 1 includes a sending module 101, a receiving module 102, a querying module 103, a setting module 104, a generating module 105, and a screening module 106.
The receiving module 102 is configured to receive confirmation information after the first smart meter receives the firmware downloading instruction, and set the state of the first smart meter to be confirmed in the upgrade table;
the query module 103 is configured to query the smart meter in a to-be-sent state in the upgrade table and generate a firmware transmission instruction including a second smart meter identifier according to a query result;
the sending module 101 is further configured to send a firmware transmission instruction to the first smart meter, so that the first smart meter sends a firmware upgrade package to the second smart meter.
Through server scheduling, upgrade package is passed each other between the smart electric meters, is favorable to the network bandwidth between the make full use of smart electric meters, makes the smart electric meter that has downloaded the firmware package be about to the firmware transmission for the smart electric meter that does not download the firmware package at the local network. According to the method and the system, network congestion caused by downloading the firmware package from the server by the massive intelligent electric meters is avoided, the read-write performance requirement of the server is greatly reduced, and the network pressure between the server and the intelligent electric meters is reduced.
In a preferred embodiment, the server further includes:
the query module 103 is further configured to query the smart meter in a to-be-sent state;
the setting module 104 is configured to set, as a second smart meter, the smart meter with the speed measurement time lower than a preset threshold value with the first smart meter according to the query result of the smart meter in the state to be sent;
and a generating module 105, configured to generate a firmware transmission instruction including the second smart meter identifier.
The speed measurement distance between the second intelligent electric meter and the first intelligent electric meter can be controlled through the preset threshold value, so that the phenomenon that the transmission speed is too slow and the upgrading of the first intelligent electric meter and the second intelligent electric meter is influenced is avoided.
In a preferred embodiment, the server further comprises;
the screening module 106 is used for screening the smart electric meters with the speed measuring time lower than a preset threshold value;
the setting module 104 is further configured to set the smart electric meter with the minimum speed measurement time between the smart electric meter and the first smart electric meter as a second smart electric meter according to the screening result.
The intelligent electric meter with the minimum speed measuring time is selected as the second intelligent electric meter, so that the transmission of the firmware can be completed as soon as possible, and the transmission efficiency of the firmware is improved.
In a preferred embodiment, the server further includes:
the receiving module 102 is further configured to receive confirmation information of the second smart meter, where the confirmation information is sent to the server after the second smart meter receives the firmware upgrade package sent by the first smart meter;
and the setting module 104 is further configured to set the state of the second smart meter to confirmed in the upgrade table.
The second intelligent electric meter is set to be confirmed, so that the second intelligent electric meter is prevented from repeatedly sending the firmware upgrading packet by other electric meters, and the scheduling efficiency of the server is improved.
In a preferred embodiment, the server further includes:
the query module 103 is further configured to query a speed measurement time from a pre-generated speed measurement table.
In a preferred embodiment, the server further includes:
the sending module 101 is further configured to send a speed measurement instruction to the first smart meter, so that the first smart meter sends a speed measurement data packet including sending time to other smart meters;
the receiving module 102 is further configured to receive speed measurement time of other smart electric meters, where the speed measurement time is a difference between time when the second smart electric meter finishes receiving the speed measurement data packet of the first smart electric meter and sending time;
the generating module 105 is further configured to generate a speed measuring meter including the speed measuring time between the smart electric meters.
The speed measuring meter is generated through speed measurement between the intelligent electric meters, so that the network state between the intelligent electric meters can be rapidly inquired, and the faster intelligent electric meters can be selected for transmission in a targeted manner.
In a preferred embodiment, the server further includes:
the sending module 101 is further configured to send an upgrade instruction to the smart meter in the upgrade table with the confirmed state, so as to run the firmware upgrade program in the firmware upgrade package in the smart meter in the confirmed state.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The intelligent electric meter upgrading method is characterized by comprising the following steps:
s100: the server sends a firmware downloading instruction to the first intelligent electric meter, and the state of the first intelligent electric meter is set to be arranged in the upgrading meter;
s200: the first intelligent electric meter receives the firmware downloading instruction, downloads the firmware upgrading package for upgrading and sends confirmation information to the server, and the server sets the state of the first intelligent electric meter to be confirmed in the upgrading meter after receiving the confirmation information;
s300: the server inquires the intelligent electric meter to be sent in the upgrading table, and generates a firmware transmission instruction with a second intelligent electric meter identification according to the inquiry result;
s400: the server sends a firmware transmission instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a firmware upgrading packet to the second intelligent electric meter;
s500: and the second intelligent electric meter receives the firmware upgrading packet to upgrade and sends confirmation information to the server, the server sets the state of the second intelligent electric meter to be confirmed in the upgrading meter after receiving the confirmation information, and the step S300 is repeated, so that the second intelligent electric meter sends the firmware upgrading packet to the next intelligent electric meter until all the intelligent electric meters finish upgrading.
2. The method for upgrading the smart meter according to claim 1, wherein the step S300 specifically includes:
s310: the server inquires the intelligent electric meter to be sent in the upgrading table;
s320: setting the intelligent electric meter with the speed measuring time lower than the preset threshold value with the first intelligent electric meter as a second intelligent electric meter according to the query result of the step S310;
s330: the server generates a firmware transmission instruction with the second smart meter identification.
3. The method for upgrading the smart meter according to claim 2, wherein in step S320, the method further comprises:
s321: inquiring speed measuring time from a pre-generated speed measuring table;
s322: the server screens the intelligent ammeter with the speed measuring time lower than a preset threshold value;
s323: and the server sets the intelligent electric meter with the minimum difference compared with the speed measuring time of the first intelligent electric meter as a second intelligent electric meter according to the screening result.
4. The upgrading method of the smart meter according to claim 3, wherein the step of generating the tachometer in step S321 is:
s321 a: the server sends a speed measurement instruction to the first intelligent electric meter, so that the first intelligent electric meter sends a speed measurement data packet containing sending time to other intelligent electric meters;
s321 b: the server receives speed measurement time of other intelligent electric meters, wherein the speed measurement time is the time difference between the time when the other intelligent electric meters finish receiving the speed measurement data packet of the first intelligent electric meter and the time when the first intelligent electric meter sends the speed measurement data packet;
s321 c: the server generates a speed measuring meter containing the speed measuring time of the intelligent electric meter.
5. The method for upgrading the smart meter according to claims 1-4, wherein the server comprises:
the sending module is used for sending a firmware downloading instruction and a firmware transmission instruction;
the receiving module is used for receiving confirmation information of the intelligent electric meter;
the query module is used for querying the intelligent ammeter with the state to be sent in the upgrading table;
the setting module is used for setting the state of the intelligent electric meter in the upgrading meter;
a generation module: for generating a firmware transfer instruction having an identification.
6. The method for upgrading a smart meter according to claim 5, wherein the server further comprises:
a screening module: the intelligent electric meter is used for screening the intelligent electric meters, and the speed measuring time between the intelligent electric meters and the first intelligent electric meter is lower than a preset threshold value.
7. The upgrading method for the intelligent electric meter according to claim 5, wherein the sending module is further used for sending a speed measurement instruction, and the receiving module is further used for measuring speed measurement time.
8. The upgrading method for the intelligent electric meter according to claim 5, wherein the query module is further configured to query a speed measurement time from a pre-generated speed measurement meter.
9. The upgrading method for the intelligent electric meter according to claim 5, wherein the setting module is further configured to set the intelligent electric meter with the smallest difference compared with the speed measurement time of the first intelligent electric meter as the second intelligent electric meter.
10. The upgrading method for the intelligent electric meter according to claim 5, wherein the generating module is further used for generating a speed measuring meter comprising speed measuring time of the intelligent electric meter.
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2020
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| WO2014127628A1 (en) * | 2013-02-21 | 2014-08-28 | 中兴通讯股份有限公司 | Firmware upgrade method and system |
| CN106953902A (en) * | 2017-03-10 | 2017-07-14 | 深圳市金正方科技股份有限公司 | The method and apparatus of electric energy meter firmware upgrade |
| CN109189434A (en) * | 2018-09-20 | 2019-01-11 | 安徽南瑞中天电力电子有限公司 | A kind of online upgrading method of electric energy meter |
| CN109769239A (en) * | 2019-03-06 | 2019-05-17 | 乐鑫信息科技（上海）股份有限公司 | Method for carrying out OTA firmware upgrade to the node in bluetooth Mesh network |
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