CN110908692A - Remote upgrading method and system for intelligent electric meter - Google Patents
Remote upgrading method and system for intelligent electric meter Download PDFInfo
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- CN110908692A CN110908692A CN201911287942.1A CN201911287942A CN110908692A CN 110908692 A CN110908692 A CN 110908692A CN 201911287942 A CN201911287942 A CN 201911287942A CN 110908692 A CN110908692 A CN 110908692A
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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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- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
Abstract
The invention discloses a remote upgrading method and system for an intelligent electric meter. The method comprises the following steps: the server sends a request data packet to the intelligent electric meter; the intelligent electric meter receives the request data packet, generates a confirmation data packet according to the request data packet and sends the confirmation data packet to the server; the server judges whether the intelligent ammeter needs to be upgraded or not by confirming the data packet, if so, the execution is continued, and if not, the upgrading program is terminated; a network upgrading channel is established between the server and the intelligent electric meter, and the server sends an upgrading file to the intelligent electric meter through the data upgrading channel; and the intelligent electric meter is upgraded according to the upgrade file, and the mark information is fed back to the server after the upgrade is finished, wherein the mark information at least comprises the model of the intelligent electric meter and the latest software version information. According to the intelligent ammeter updating method and device, the staff is not required to upgrade the intelligent ammeter at home, the efficiency of the intelligent ammeter is improved, and the situation that the intelligent ammeter cannot be used due to untimely upgrading is avoided.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to a remote upgrading method and system of an intelligent electric meter.
Background
In recent years, national grid companies have comprehensively promoted the installation and application of intelligent electric meters, about 2.5 hundred million intelligent electric meters are installed in an accumulated mode at present, and most users realize automatic collection of electricity utilization information. Southern power grid companies also accelerate the construction of metering automation systems, subordinate Guangdong power grid companies, Shenzhen power grid companies and Guangxi power grid companies have built provincial metering automation systems, the Guangxi power grid companies have realized the full coverage of 3 types of terminals including plant stations, special transformers and distribution transformers, the coverage rate of low-voltage meter reading clients is about 50%, and smart electric meters are unprecedentedly developed and applied in China.
The intelligent electric meter is one of intelligent terminal equipment of an intelligent power grid, and has the main functions of completing accurate and reliable electric energy metering work and providing accurate and objective basic data for development of work such as electric charge collection, power consumption condition statistics and the like. In addition, the electric meter also has the control functions of remote fee control, circuit on-off and the like so as to flexibly control the electricity consumption of the user.
Present smart electric meter upgrading mostly is artifical to upgrade, needs to go to the door, and upgrading efficiency is not high, and delays normal use easily. How to solve the technical problems becomes a difficult problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a remote upgrading method and system of an intelligent electric meter, which aim to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a remote upgrading method for a smart meter comprises the following steps:
the method comprises the steps that a server sends a request data packet to an intelligent electric meter, wherein the request data packet at least comprises upgrading request information and first upgrading port information, and the upgrading request information in the request data packet comprises software version information and query request information stored in the server;
the method comprises the steps that the intelligent electric meter receives a request data packet, generates a confirmation data packet according to the request data packet and sends the confirmation data packet to a server, wherein the confirmation data packet at least comprises upgrade feedback information, second upgrade port information and a flag bit, and the flag bit is used for recording the CPU utilization rate of the intelligent electric meter when current software runs;
the server judges whether the intelligent ammeter needs to be upgraded or not by confirming the data packet, if so, the execution is continued, and if not, the upgrading program is terminated;
a network upgrading channel is established between the server and the intelligent electric meter, the network upgrading channel is used for communicating the first upgrading port with the second upgrading port, and the server sends an upgrading file to the intelligent electric meter through the data upgrading channel;
and the intelligent electric meter is upgraded according to the upgrade file, and the mark information is fed back to the server after the upgrade is finished, wherein the mark information at least comprises the model of the intelligent electric meter and the latest software version information.
And further, before the intelligent electric meter automatically upgrades according to the upgrade file, sending various detection data in the intelligent electric meter to the server.
Further, the generating an acknowledgement packet according to the request packet and sending the acknowledgement packet to the server specifically includes:
inquiring latest software version information in the intelligent electric meter according to the inquiry request information;
comparing the latest software version information in the inquired intelligent electric meter with software version information stored in a server to form a confirmation data packet, wherein the upgrading feedback information in the confirmation data packet is required to be upgraded and is not required to be upgraded;
and sending the confirmation data packet to the server.
Further, the request data packet further includes unique identification information, and the unique identification information stores an identification code that forms a corresponding relationship with the server.
Further, the server determines whether the smart meter needs to be upgraded by confirming the data packet specifically as follows:
when the upgrade feedback information in the data packet is confirmed to be in need of upgrading, the server directly judges that the upgrading is needed through the upgrade feedback information;
when the upgrade feedback information in the confirmation data packet is not required to be upgraded, the server judges whether the intelligent electric meter needs to be upgraded or not through the confirmation data packet, and the method comprises the following steps:
the server acquires a flag bit in the confirmation data packet;
the server compares the CPU utilization rate of the smart electric meter stored in the zone bit during the current software operation with a preset threshold value, if the CPU utilization rate stored in the zone bit is less than or equal to the preset threshold value, the server judges that the upgrading is not needed, and if the CPU utilization rate stored in the zone bit is greater than the preset threshold value, the server judges that the upgrading is needed.
Further, the establishing of the data upgrading channel between the server and the smart electric meter specifically includes:
the server establishes a network upgrading channel with a network key;
and configuring the intelligent electric meter into a network upgrading channel with a network key, and verifying before the intelligent electric meter is configured into the network upgrading channel with the network key for the first time.
Furthermore, the intelligent electric meter upgrades according to the upgrade file and comprises a manual upgrade mode and an automatic upgrade mode, the intelligent electric meter has a waiting time during manual upgrade, and when the waiting time exceeds a set threshold value, the automatic upgrade mode is started.
The invention also provides a remote upgrading system of the intelligent electric meter, which comprises the following steps:
the server is used for sending a request data packet to the intelligent electric meter, judging whether the intelligent electric meter needs to be upgraded or not by confirming the data packet, and establishing a network upgrading channel;
the intelligent electric meter is used for receiving the request data packet, generating a confirmation data packet according to the request data packet, sending the confirmation data packet to the server, upgrading according to the upgrading file, and feeding back the mark information to the server after upgrading is finished;
and the mobile terminal is used for configuring the intelligent electric meter into a network upgrading channel, and the network upgrading channel is used for communicating the first upgrading port with the second upgrading port.
Further, the smart meter includes:
the first data transceiver module is used for receiving a request data packet, sending a confirmation data packet and sending various detection data in the intelligent electric meter to the server;
the query module is used for querying the latest software version information in the intelligent electric meter according to the query request information;
the comparison module is used for comparing the latest software version information in the inquired intelligent electric meter with the software version information stored in the server to form a confirmation data packet;
the upgrading module is used for upgrading according to the upgrading file and feeding back the mark information to the server after the upgrading is finished;
and the timing module is used for setting the waiting time of the intelligent electric meter during manual upgrading, and starting an automatic upgrading mode when the waiting time exceeds a set threshold value.
Further, the server includes:
the second transceiver module is used for sending a request data packet, receiving a confirmation data packet and sending a software program packet needing to be upgraded;
the judging module is used for judging whether the intelligent ammeter needs to be upgraded or not through the confirmation data packet;
the network upgrading channel module is used for establishing a network upgrading channel with a network key;
and the storage module is used for storing the software program package needing to be upgraded.
Compared with the prior art, the invention has the advantages that: according to the invention, the server sends the request information to the intelligent ammeter, the intelligent ammeter receives the request information and sends the confirmation information to the server, and the server can intelligently upgrade the intelligent ammeter through the confirmation information without the need of the on-site upgrade of workers, so that the efficiency of the intelligent ammeter is improved, and the situation that the intelligent ammeter cannot be used due to untimely upgrade is avoided.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a remote upgrading method of a smart meter according to the present invention.
Fig. 2 is a detailed flowchart of step S20 in the present invention.
Fig. 3 is a detailed flowchart of step S30 in the present invention.
Fig. 4 is a detailed flowchart of step S40 in the present invention.
Fig. 5 is a frame diagram of the remote upgrading system of the smart meter of the present invention.
Fig. 6 is a frame diagram of the smart meter in the remote upgrade system of the smart meter of the present invention.
Fig. 7 is a frame diagram of a server in the remote upgrade system of the smart meter of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present embodiment provides a remote upgrade method for an intelligent electric meter, including the following steps:
step S10: the method comprises the steps that a server sends a request data packet to an intelligent electric meter, wherein the request data packet at least comprises upgrading request information and first upgrading port information, and the upgrading request information in the request data packet comprises software version information and query request information stored in the server.
The first upgrade port information is opening and closing information of an upgrade port of the server, and can be replaced by symbols such as numbers, for example, 1 represents opening, and 0 represents closing.
The request data packet further comprises unique identification information, the unique identification information stores an identification code which forms a corresponding relation with the server, the intelligent electric meter internally comprises a verification program, namely, only the request data packet sent by the specific server (namely, the request data packet contains the specific identification code) can be identified, and the request data packets sent by other servers are not received, so that interference can be prevented, and the intelligent electric meter is prevented from being wrongly upgraded and the like.
Before the intelligent electric meter automatically upgrades according to the upgrade file, the intelligent electric meter sends various detection data in the intelligent electric meter to the server, so that the data in the intelligent electric meter can be stored conveniently, and the phenomena of data coverage or data loss and the like can be prevented when the program of the intelligent electric meter is upgraded.
Step S20: the intelligent electric meter receives the request data packet, generates a confirmation data packet according to the request data packet and sends the confirmation data packet to the server, wherein the confirmation data packet at least comprises upgrade feedback information, second upgrade port information and a flag bit, and the flag bit is used for recording the CPU utilization rate of the intelligent electric meter when current software operates.
The second upgrade port information is the opening and closing information of the upgrade port of the server, and can be replaced by symbols such as numbers, for example, 1 represents open, and 0 represents closed.
In this embodiment, the generating an acknowledgment packet according to the request packet and sending the acknowledgment packet to the server specifically includes: step S210: inquiring latest software version information in the intelligent electric meter according to the inquiry request information; step S220: and comparing the latest software version information in the inquired intelligent electric meter with the software version information stored in the server to form a confirmation data packet, wherein the upgrading feedback information in the confirmation data packet is required to be upgraded and is not required to be upgraded. Wherein, the upgrading is required to be: the software version information stored in the server is higher than the software version information in the intelligent electric meter; the upgrading is not needed: the software version information stored in the server is equal to or less than the software version information in the intelligent electric meter; step S230: and sending the confirmation data packet to the server, and executing subsequent actions by the server.
Step S30: and the server judges whether the intelligent electric meter needs to be upgraded or not by confirming the data packet, if so, the server continues to execute, and if not, the server terminates the upgrading program.
Specifically, when the upgrade feedback information in the confirmation data packet is the upgrade requirement, the server directly judges the upgrade requirement through the upgrade feedback information; when the upgrade feedback information in the confirmation data packet is not required to be upgraded, because reverse upgrading of software of a high version to software of a low version is usually not allowed in the actual operation process, the same is true in the present application, but based on the factor consideration of the chip hardware of the smart meter, some old/old smart meters sometimes have slow operation and the like after downloading the software of the high version, and at this time, reverse upgrading is allowed, that is, the software of the high version is degraded to the low version. At this time, the server specifically includes a special judgment program for judging whether the smart meter needs to be upgraded by confirming the data packet, that is: step S310: the server acquires a flag bit in the confirmation data packet, namely the CPU utilization rate of the intelligent electric meter during the current software operation; step S320: the server compares the CPU utilization rate of the smart electric meter stored in the zone bit during the current software operation with a preset threshold value, if the CPU utilization rate stored in the zone bit is less than or equal to the preset threshold value, the server judges that the upgrading is not needed, and if the CPU utilization rate stored in the zone bit is greater than the preset threshold value, the server judges that the upgrading is needed. In this embodiment, the preset threshold may be determined according to smart meters of different hardware versions.
Step S40: a network upgrading channel is established between the server and the intelligent electric meter and used for communicating the first upgrading port with the second upgrading port, and the server sends upgrading files to the intelligent electric meter through the data upgrading channel.
Specifically, the step of establishing the data upgrading channel between the server and the smart electric meter specifically includes: step S410: the server establishes a network upgrading channel with a network key; step S420: preferably, before the smart electric meter is firstly configured to the network upgrading channel with the network key, verification is required, namely a corresponding network key password needs to be input, and direct connection can be achieved without inputting the password during later operation.
Step S50: the intelligent electric meter is upgraded according to the upgrade file, mark information is fed back to the server after the upgrade is completed, the mark information at least comprises the model and the latest software version information of the intelligent electric meter, the server obtains the model and the latest software version information of the intelligent electric meter at the moment and can prove that the upgrade operation is completed, the server can timely close a network upgrade channel, and the display interface of the intelligent electric meter can directly display' upgrade is completed! ".
Specifically, the upgrading of the intelligent ammeter according to the upgrading file comprises a manual upgrading mode and an automatic upgrading mode, generally, during upgrading, the display interface of the intelligent ammeter has the manual upgrading mode, namely, one-step selection can be performed according to prompt operation, if necessary, the intelligent ammeter has a waiting time during manual upgrading, and when the waiting time exceeds a set threshold value, the automatic upgrading mode is started; specifically, the set threshold of the waiting time may be selected as needed.
Referring to fig. 5, the present invention further provides a remote upgrade system for an intelligent electric meter, including: the server 100 is configured to send a request data packet to the smart meter 300, determine whether the smart meter 300 needs to be upgraded by determining the data packet, and establish a network upgrade channel; the smart meter 300 is configured to receive the request data packet, generate a confirmation data packet according to the request data packet, send the confirmation data packet to the server 100, perform upgrading according to the upgrade file, and feed back flag information to the server 100 after upgrading is completed; the mobile terminal 200 is configured to configure the smart meter 300 into a network upgrade channel, where the network upgrade channel is configured to communicate the first upgrade port with the second upgrade port, that is, to complete the unique network connection between the server 100 and the smart meter 300.
In this embodiment, the mobile terminal 200 is mainly used for configuring the smart meter 300 into a network upgrade channel, and the mobile terminal 200 generally adopts a mobile device such as a mobile phone and a tablet computer.
Referring to fig. 6, in the present embodiment, the smart meter 300 includes: the first data transceiver module 3001 is configured to receive a request data packet and send a confirmation data packet, and send each item of detection data in the smart meter to the server; the query module 3002 is configured to query the latest software version information in the smart meter according to the query request information; a comparison module 3003, configured to compare the latest software version information in the queried smart meter with the software version information stored in the server, so as to form a confirmation data packet; the upgrading module 3004 is configured to upgrade according to the upgrade file, and feed back flag information to the server after the upgrade is completed; the timing module 3005 is configured to set a waiting time for the smart meter to perform manual upgrade, and when the waiting time exceeds a set threshold, start an automatic upgrade mode.
Referring to fig. 7, in the present embodiment, the server 100 includes: a second transceiving module 1001, configured to send a request data packet, receive a confirmation data packet, and send a software package to be upgraded; the judging module 1002 is configured to judge whether the smart meter needs to be upgraded by determining the data packet; a network upgrade channel module 1003, configured to establish a network upgrade channel with a network key; the storage module 1004 is used for storing the software packages needing to be upgraded.
It is noted that only server 100 having components 1001 and 1004 is shown in FIG. 7, but it is to be understood that not all of the illustrated components are required and that more or fewer components may alternatively be implemented. The server 100 in this embodiment is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and its hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like. The server 100 may be a computing device such as a desktop computer, a notebook, a palm top computer, and a cloud server. The computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
According to the invention, the server 100 sends the request information to the intelligent electric meter 300, the intelligent electric meter 300 receives the request information and sends the confirmation information to the server 100, the server 100 can intelligently upgrade the intelligent electric meter 300 through the confirmation information, a special upgrading network can be established between the server 100 and the intelligent electric meter 300 through the mobile terminal 200, the upgrade by workers is not needed, the efficiency of the intelligent electric meter is improved, and the situation that the intelligent electric meter cannot be used due to the untimely upgrade is avoided.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A remote upgrading method for an intelligent electric meter is characterized by comprising the following steps:
the method comprises the steps that a server sends a request data packet to an intelligent electric meter, wherein the request data packet at least comprises upgrading request information and first upgrading port information, and the upgrading request information in the request data packet comprises software version information and query request information stored in the server;
the method comprises the steps that the intelligent electric meter receives a request data packet, generates a confirmation data packet according to the request data packet and sends the confirmation data packet to a server, wherein the confirmation data packet at least comprises upgrade feedback information, second upgrade port information and a flag bit, and the flag bit is used for recording the CPU utilization rate of the intelligent electric meter when current software runs;
the server judges whether the intelligent ammeter needs to be upgraded or not by confirming the data packet, if so, the execution is continued, and if not, the upgrading program is terminated;
a network upgrading channel is established between the server and the intelligent electric meter, the network upgrading channel is used for communicating the first upgrading port with the second upgrading port, and the server sends an upgrading file to the intelligent electric meter through the data upgrading channel;
and the intelligent electric meter is upgraded according to the upgrade file, and the mark information is fed back to the server after the upgrade is finished, wherein the mark information at least comprises the model of the intelligent electric meter and the latest software version information.
2. The remote upgrade method of the smart meter according to claim 1, wherein before the smart meter automatically upgrades according to the upgrade file, the smart meter sends various items of detection data in the smart meter to the server.
3. The method for remotely upgrading a smart meter according to claim 1, wherein the generating a confirmation packet according to the request packet and sending the confirmation packet to the server specifically comprises:
inquiring latest software version information in the intelligent electric meter according to the inquiry request information;
comparing the latest software version information in the inquired intelligent electric meter with software version information stored in a server to form a confirmation data packet, wherein the upgrading feedback information in the confirmation data packet is required to be upgraded and is not required to be upgraded;
and sending the confirmation data packet to the server.
4. The remote upgrade method for smart meters according to claim 2, wherein the request data packet further includes unique identification information, and the unique identification information stores an identification code corresponding to the server.
5. The remote upgrading method for the intelligent electric meter according to claim 2, wherein the step of judging whether the intelligent electric meter needs to be upgraded by the server through the confirmation data packet is specifically as follows:
when the upgrade feedback information in the data packet is confirmed to be in need of upgrading, the server directly judges that the upgrading is needed through the upgrade feedback information;
when the upgrade feedback information in the confirmation data packet is not required to be upgraded, the server judges whether the intelligent electric meter needs to be upgraded or not through the confirmation data packet specifically comprises the following steps:
the server acquires a flag bit in the confirmation data packet;
the server compares the CPU utilization rate of the smart electric meter stored in the zone bit during the current software operation with a preset threshold value, if the CPU utilization rate stored in the zone bit is less than or equal to the preset threshold value, the server judges that the upgrading is not needed, and if the CPU utilization rate stored in the zone bit is greater than the preset threshold value, the server judges that the upgrading is needed.
6. The remote upgrading method for the intelligent electric meter according to claim 1, wherein the step of establishing the data upgrading channel between the server and the intelligent electric meter specifically comprises the following steps:
the server establishes a network upgrading channel with a network key;
and configuring the intelligent electric meter into a network upgrading channel with a network key, and verifying before the intelligent electric meter is configured into the network upgrading channel with the network key for the first time.
7. The remote upgrade method of the smart meter according to claim 1, wherein the upgrading of the smart meter according to the upgrade file includes a manual upgrade mode and an automatic upgrade mode, the smart meter has a waiting time during the manual upgrade, and the automatic upgrade mode is started when the waiting time exceeds a set threshold.
8. A remote upgrading system of a smart electric meter is characterized by comprising:
the server is used for sending a request data packet to the intelligent electric meter, judging whether the intelligent electric meter needs to be upgraded or not by confirming the data packet, and establishing a network upgrading channel;
the intelligent electric meter is used for receiving the request data packet, generating a confirmation data packet according to the request data packet, sending the confirmation data packet to the server, upgrading according to the upgrading file, and feeding back the mark information to the server after upgrading is finished;
and the mobile terminal is used for configuring the intelligent electric meter into a network upgrading channel, and the network upgrading channel is used for communicating the first upgrading port with the second upgrading port.
9. The system for remotely upgrading a smart meter according to claim 8, wherein the smart meter comprises:
the first data transceiver module is used for receiving a request data packet, sending a confirmation data packet and sending various detection data in the intelligent electric meter to the server;
the query module is used for querying the latest software version information in the intelligent electric meter according to the query request information;
the comparison module is used for comparing the latest software version information in the inquired intelligent electric meter with the software version information stored in the server to form a confirmation data packet;
the upgrading module is used for upgrading according to the upgrading file and feeding back the mark information to the server after the upgrading is finished;
and the timing module is used for setting the waiting time of the intelligent electric meter during manual upgrading, and starting an automatic upgrading mode when the waiting time exceeds a set threshold value.
10. The system for remotely upgrading a smart meter according to claim 8, comprising:
the second transceiver module is used for sending a request data packet, receiving a confirmation data packet and sending a software program packet needing to be upgraded;
the judging module is used for judging whether the intelligent ammeter needs to be upgraded or not through the confirmation data packet;
the network upgrading channel module is used for establishing a network upgrading channel with a network key;
and the storage module is used for storing the software program package needing to be upgraded.
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| CN113254044A (en) * | 2021-06-07 | 2021-08-13 | 深圳市蔚来芯科技有限公司 | High-reliability image chip remote upgrading method and system |
| CN113688051A (en) * | 2021-08-31 | 2021-11-23 | 南方电网科学研究院有限责任公司 | Electric energy meter software upgrading test method and storage medium |
| CN114172875A (en) * | 2021-12-03 | 2022-03-11 | 深圳小湃科技有限公司 | Remote upgrading method and system for network camera and readable storage medium |
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