CN112910679B - Multi-level remote upgrading method for power Internet of things - Google Patents
Multi-level remote upgrading method for power Internet of things Download PDFInfo
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- CN112910679B CN112910679B CN202011602194.4A CN202011602194A CN112910679B CN 112910679 B CN112910679 B CN 112910679B CN 202011602194 A CN202011602194 A CN 202011602194A CN 112910679 B CN112910679 B CN 112910679B
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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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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y30/00—IoT infrastructure
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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
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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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
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a multilevel remote upgrading method for an electric power Internet of things, which comprises the following steps: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, and an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file; according to the invention, a multi-level file transmission and upgrading mode is adopted, the Internet of things platform compresses the upgrading file and then sends the file to the upgrading process of the access node main control, the file is sequentially sent to the sink node by the access node, the sink node is sent to the channel and the terminal equipment and sends upgrading instructions layer by layer, the transmission efficiency is improved, and the problems that the existing point-to-point upgrading mode is low in transmission efficiency, the packet loss of the file is easy to occur in the case of multi-hop in a wireless environment, and a large amount of time is consumed for verifying the channel and the terminal after upgrading is completed are solved.
Description
Technical Field
The invention relates to the technical field of power Internet of things, in particular to a multilevel remote upgrading method for the power Internet of things.
Background
The internet of things is a network which connects any article with the internet through various terminal devices to exchange and communicate information so as to realize intelligent identification, positioning, tracking, monitoring and management of the article. The Internet of things technology is applied to the power system, namely, the modern information technologies such as mobile interconnection, artificial intelligence and the like and advanced communication technologies are fully applied around each link of the power system, all things interconnection and man-machine interaction of each link of the power system are achieved, and the intelligent service system has the characteristics of comprehensive state sensing, efficient information processing and convenient and flexible application. With the rapid development of the internet of things and the IP of the infrastructure communication system, the tendency of the mass devices to be interconnected through the network is.
The power internet of things is an application of the internet of things in a smart grid, is a result of information communication technology development to a certain stage, effectively integrates communication infrastructure resources and power system infrastructure resources, improves the informatization level of a power system, improves the utilization efficiency of the existing infrastructure of the power system, and provides important technical support for links such as power grid generation, transmission, transformation, distribution and power utilization.
In the field of power internet of things, a channel and a terminal from a node to the lower part of the channel and the terminal have a remote upgrading requirement, the transmission efficiency of the traditional point-to-point upgrading mode is low, the problem of packet loss exists in a file transmission under a wireless environment multi-hop occasion, a large amount of time is consumed for verification after the channel and the terminal are upgraded, and the upgrading period is greatly prolonged.
Disclosure of Invention
The invention aims to provide a multilevel remote upgrading method for an electric power internet of things, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multilevel remote upgrading method for an electric power Internet of things comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, and after receiving the confirmation message, the access node verifies the fragmentation serial number and continues to send the next fragmentation;
(2) file retransmission: if the Internet of things platform does not receive the confirmation message of the access node within the set time after the file fragments are sent, the file retransmission is started, and the current fragments are regarded as failed transmission after the set times of retransmission;
(3) and (3) breakpoint query: before the Internet of things platform starts to send the upgrade file and after the current fragment is failed to be sent, breakpoint query is carried out, a request message for querying the breakpoint of the file fragment is sent to an access node, and the access node feeds back a confirmation message containing the file ID and the breakpoint fragment serial number;
(4) issuing an upgrading instruction: the Internet of things platform issues upgrading instructions to all the nodes, the channels and the terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to the sink nodes under the topological structure layer by layer from the access node warehouse by the master control, and layer-by-layer upgrading of all the nodes is achieved;
(5) main control upgrading: after receiving a channel upgrading instruction issued by the main control of the Internet of things platform/upper node, the main control of each node can upgrade each channel of the node, and the main control of the node inquires channel information before and after issuing the upgrading instruction each time to judge whether the upgrading is successful;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, and when a control channel response frame sent by the micropower terminal is received or the low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal.
Preferably, in the step (1), the upgrade file is transmitted between the access node and the sink node and between the sink node and the terminal device in an asynchronous fragmentation manner.
Preferably, in the step (2), the access node to the sink node, and the file transmission from the sink node to the terminal also have a retransmission function.
Preferably, in the step (3), the request message is composed of 4 parts, namely, a request line (requestline), a request header (header), a null line and request data.
Preferably, in the step (3), the file transmission from the access node to the sink node, from the sink node to the channel and the terminal also has functions of querying a breakpoint and resuming transmission.
Preferably, in the step (4), the sink node receives all the fragments and then automatically packages the fragments, and then stores the files in the main control system of the sink node.
Preferably, in step (4), the fingerprint information attribute of the terminal device includes a process name, a file name, a publisher name and vendor information.
Preferably, in the step (5), the master control of each node sends an upgrade instruction through the WIFI device, so as to realize full coverage of the terminal device of the internet of things.
Preferably, in the step (5), the channel information queried by the node master control is a version number before and after the channel upgrade.
Preferably, in the step (6), the terminal needs to be continuously powered during the upgrading process, so as to prevent the upgrading interruption of the terminal equipment caused by power failure.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, a multi-level file transmission and upgrading mode is adopted, the Internet of things platform compresses the upgrading file and then sends the file to the upgrading process of the access node main control, the file is sequentially sent to the sink node by the access node, the sink node is sent to the channel and the terminal equipment and sends upgrading instructions layer by layer, the transmission efficiency is improved, and the problems that the existing point-to-point upgrading mode is low in transmission efficiency, the packet loss of the file is easy to occur in the case of multi-hop in a wireless environment, and a large amount of time is consumed for verifying the channel and the terminal after upgrading is completed are solved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
A multilevel remote upgrading method for an electric power Internet of things comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, and after receiving the confirmation message, the access node verifies the fragmentation serial number and continues to send the next fragmentation;
(2) file retransmission: if the Internet of things platform does not receive the confirmation message of the access node within the set time after the file fragments are sent, the file retransmission is started, and the current fragments are regarded as failed transmission after the set times of retransmission;
(3) and (3) breakpoint query: before the Internet of things platform starts to send the upgrade file and after the current fragment is failed to be sent, breakpoint query is carried out, a request message for querying the breakpoint of the file fragment is sent to an access node, and the access node feeds back a confirmation message containing the file ID and the breakpoint fragment serial number;
(4) issuing an upgrading instruction: the Internet of things platform issues upgrading instructions to all the nodes, the channels and the terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to the sink nodes under the topological structure layer by layer from the access node warehouse by the master control, and layer-by-layer upgrading of all the nodes is achieved;
(5) main control upgrading: after receiving a channel upgrading instruction issued by the main control of the Internet of things platform/upper node, the main control of each node can upgrade each channel of the node, and the main control of the node inquires channel information before and after issuing the upgrading instruction each time to judge whether the upgrading is successful;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, and when a control channel response frame sent by the micropower terminal is received or the low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal.
The first embodiment is as follows:
a multilevel remote upgrading method for an electric power Internet of things comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, checks the fragmentation serial number after receiving the confirmation message and continues to send a next fragmentation, and the access node transmits the upgrade file to a sink node and the sink node to the terminal equipment in an asynchronous fragmentation mode, so that the narrowband transmission efficiency can be effectively improved;
(2) file retransmission: the Internet of things platform starts to retransmit the file if the confirmation message of the access node is not received within the set time after the file fragment is sent, the current fragment is regarded as failed sending after the set number of retransmission, the access node is transmitted to the sink node, and the file transmission from the sink node to the terminal also has a retransmission function;
(3) and (3) breakpoint query: before the Internet of things platform starts to send the upgrade file and after the current fragment is failed to be sent, breakpoint query is carried out, a request message for querying the breakpoint of the file fragment is sent to an access node, and the access node feeds back a confirmation message containing the file ID and the breakpoint fragment serial number;
(4) issuing an upgrading instruction: the Internet of things platform issues upgrading instructions to all the nodes, the channels and the terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to the sink nodes under the topological structure layer by layer from the access node warehouse by the master control, and layer-by-layer upgrading of all the nodes is achieved;
(5) main control upgrading: after receiving a channel upgrading instruction issued by the main control of the Internet of things platform/upper node, the main control of each node can upgrade each channel of the node, and the main control of the node inquires channel information before and after issuing the upgrading instruction each time to judge whether the upgrading is successful;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, and when a control channel response frame sent by the micropower terminal is received or the low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal.
Example two:
a multilevel remote upgrading method for an electric power Internet of things comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, checks the fragmentation serial number after receiving the confirmation message and continues to send a next fragmentation, and the access node transmits the upgrade file to a sink node and the sink node to the terminal equipment in an asynchronous fragmentation mode, so that the narrowband transmission efficiency can be effectively improved;
(2) file retransmission: the Internet of things platform starts to retransmit the file if the confirmation message of the access node is not received within the set time after the file fragment is sent, the current fragment is regarded as failed sending after the set number of retransmission, the access node is transmitted to the sink node, and the file transmission from the sink node to the terminal also has a retransmission function;
(3) and (3) breakpoint query: before an Internet of things platform starts to send an upgrade file and after a current fragment is failed to send, breakpoint query is carried out, a request message for querying a breakpoint of a file fragment is sent to an access node, the access node feeds back a confirmation message containing a file ID and a breakpoint fragment serial number, the request message consists of 4 parts of a request line (requestline), a request header (header), an empty line and request data, the access node is connected to a sink node, file transmission from the sink node to a channel and a terminal also has functions of querying the breakpoint and resuming transmission, and reliability of transmission of the upgrade file is ensured through an overtime retransmission and breakpoint resuming mechanism;
(4) issuing an upgrading instruction: the method comprises the steps that an Internet of things platform issues upgrading instructions to nodes, channels and terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to sink nodes under a topological structure layer by layer from an access node warehouse by a master controller, layer-by-layer upgrading of the nodes is achieved, the sink nodes automatically package the files after receiving all fragments, then the files are stored in a master control system of the sink nodes, and the fingerprint information attributes of the terminal equipment comprise process names, file names, publisher names and manufacturer information;
(5) main control upgrading: after receiving a channel upgrading instruction issued by the main control of the Internet of things platform/upper node, the main control of each node can upgrade each channel of the node, and the main control of the node inquires channel information before and after issuing the upgrading instruction each time to judge whether the upgrading is successful;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, and when a control channel response frame sent by the micropower terminal is received or the low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal.
Example three:
a multilevel remote upgrading method for an electric power Internet of things comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, checks the fragmentation serial number after receiving the confirmation message and continues to send a next fragmentation, and the access node transmits the upgrade file to a sink node and the sink node to the terminal equipment in an asynchronous fragmentation mode, so that the narrowband transmission efficiency can be effectively improved;
(2) file retransmission: the Internet of things platform starts to retransmit the file if the confirmation message of the access node is not received within the set time after the file fragment is sent, the current fragment is regarded as failed sending after the set number of retransmission, the access node is transmitted to the sink node, and the file transmission from the sink node to the terminal also has a retransmission function;
(3) and (3) breakpoint query: before an Internet of things platform starts to send an upgrade file and after a current fragment is failed to send, breakpoint query is carried out, a request message for querying a breakpoint of a file fragment is sent to an access node, the access node feeds back a confirmation message containing a file ID and a breakpoint fragment serial number, the request message consists of 4 parts of a request line (requestline), a request header (header), an empty line and request data, the access node is connected to a sink node, file transmission from the sink node to a channel and a terminal also has functions of querying the breakpoint and resuming transmission, and reliability of transmission of the upgrade file is ensured through an overtime retransmission and breakpoint resuming mechanism;
(4) issuing an upgrading instruction: the method comprises the steps that an Internet of things platform issues upgrading instructions to nodes, channels and terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to sink nodes under a topological structure layer by layer from an access node warehouse by a master controller, layer-by-layer upgrading of the nodes is achieved, the sink nodes automatically package the files after receiving all fragments, then the files are stored in a master control system of the sink nodes, and the fingerprint information attributes of the terminal equipment comprise process names, file names, publisher names and manufacturer information;
(5) main control upgrading: the method comprises the steps that after a channel upgrading instruction issued by the main control of an Internet of things platform/upper node is received by the main control of each node, each channel of the main control of each node can be upgraded, the main control of each node inquires channel information before and after the upgrading instruction is issued each time and judges whether the upgrading is successful or not, the main control of each node sends the upgrading instruction through wireless WIFI equipment to realize the full coverage of the terminal equipment of the Internet of things and is used for defending network phishing WIFI and illegal access, and the channel information inquired by the main control of each node is the version number before and after the channel upgrading;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, when a control channel response frame sent by the micropower terminal or a low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal, the terminal needs to be continuously powered in the upgrading process, and the terminal equipment is prevented from being upgraded and interrupted due to power failure.
According to the invention, a multi-level file transmission and upgrading mode is adopted, the Internet of things platform compresses the upgrading file and then sends the file to the upgrading process of the access node main control, the file is sequentially sent to the sink node by the access node, the sink node is sent to the channel and the terminal equipment and sends upgrading instructions layer by layer, the transmission efficiency is improved, and the problems that the existing point-to-point upgrading mode is low in transmission efficiency, the packet loss of the file is easy to occur in the case of multi-hop in a wireless environment, and a large amount of time is consumed for verifying the channel and the terminal after upgrading is completed are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multilevel remote upgrading method for an electric power Internet of things is characterized by comprising the following steps: the method comprises the following steps:
(1) file transmission: when the terminal equipment of the Internet of things is started up each time, version information and GPS position information of a channel of the terminal equipment of the Internet of things are reported to an Internet of things platform through wireless cellular communication, the Internet of things platform transmits an upgrade file to an access node warehouse in a synchronous fragmentation mode, an access node feeds back a confirmation message containing a fragmentation serial number after receiving the fragmentation file, and after receiving the confirmation message, the access node verifies the fragmentation serial number and continues to send the next fragmentation;
(2) file retransmission: if the Internet of things platform does not receive the confirmation message of the access node within the set time after the file fragments are sent, the file retransmission is started, and the current fragments are regarded as failed transmission after the set times of retransmission;
(3) and (3) breakpoint query: before the Internet of things platform starts to send the upgrade file and after the current fragment is failed to be sent, breakpoint query is carried out, a request message for querying the breakpoint of the file fragment is sent to an access node, and the access node feeds back a confirmation message containing the file ID and the breakpoint fragment serial number;
(4) issuing an upgrading instruction: the Internet of things platform issues upgrading instructions to all the nodes, the channels and the terminal equipment, meanwhile, the terminal equipment uploads fingerprint information to the Internet of things platform, upgrading files are distributed to the sink nodes under the topological structure layer by layer from the access node warehouse by the master control, and layer-by-layer upgrading of all the nodes is achieved;
(5) main control upgrading: after receiving a channel upgrading instruction issued by the main control of the Internet of things platform/upper node, the main control of each node can upgrade each channel of the node, and the main control of the node inquires channel information before and after issuing the upgrading instruction each time to judge whether the upgrading is successful;
(6) terminal upgrading: when the sink node receives a terminal upgrading instruction issued by the Internet of things platform, designated GID upgrading or batch upgrading can be carried out on terminal equipment connected with the sink node, and when a control channel response frame sent by the micropower terminal is received or the low-power-consumption terminal returns a confirmation signal of receiving DRX, the sink node sends the upgrading instruction to the terminal.
2. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (1), the upgrading file is transmitted between the access node and the sink node and between the sink node and the terminal device in an asynchronous fragmentation mode.
3. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (2), the access node is connected to the sink node, and the file transmission from the sink node to the terminal also has a retransmission function.
4. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (3), the request message is composed of 4 parts, namely, a request line (requestline), a request header (header), an empty line and request data.
5. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (3), the file transmission from the access node to the sink node, from the sink node to the channel and the terminal also has functions of inquiring breakpoint and continuously transmitting.
6. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (4), the sink node receives all the fragments and then automatically packages the fragments, and then stores the files in the master control system of the sink node.
7. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (4), the fingerprint information attribute of the terminal device includes a process name, a file name, a publisher name and manufacturer information.
8. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (5), the master control of each node sends an upgrade instruction through the wireless WIFI equipment, so that the full coverage of the terminal equipment of the Internet of things is realized.
9. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (5), the channel information queried by the node master control is the version number before and after the channel upgrade.
10. The multi-level remote upgrading method for the power internet of things according to claim 1, characterized in that: in the step (6), the terminal needs to be continuously powered in the upgrading process, so that the upgrading interruption of the terminal equipment caused by power failure is prevented.
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| CN114697312A (en) * | 2022-03-07 | 2022-07-01 | 南京国电南自电网自动化有限公司 | System and method for efficiently and safely upgrading switch software |
| CN114584594B (en) * | 2022-05-06 | 2022-09-02 | 中建电子商务有限责任公司 | Method and system for receiving data of Internet of things equipment |
| CN117037433B (en) * | 2023-09-06 | 2024-03-05 | 北京诺成新科技有限公司 | Cloud platform-based gas monitoring control system and method |
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