CN115480802A - Lithium battery BMS Internet of things system updating method, device, medium and equipment - Google Patents
Lithium battery BMS Internet of things system updating method, device, medium and equipment Download PDFInfo
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- CN115480802A CN115480802A CN202211270050.2A CN202211270050A CN115480802A CN 115480802 A CN115480802 A CN 115480802A CN 202211270050 A CN202211270050 A CN 202211270050A CN 115480802 A CN115480802 A CN 115480802A
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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]
- G16Y10/00—Economic sectors
- G16Y10/25—Manufacturing
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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]
- G16Y20/00—Information sensed or collected by the things
- G16Y20/20—Information sensed or collected by the things relating to the thing itself
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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]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/30—Control
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a method, a device, a medium and computer equipment for updating a lithium battery BMS Internet of things system, wherein the method comprises the following steps: acquiring a system upgrading request of a regional battery pack system; obtaining an upgrade label of each battery pack module of a regional battery pack system; constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS; a server OTA upgrading network protocol of the self-cloud platform is sent to each lithium battery BMS; and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and completes data upgrading. According to the method, the OTA upgrading data packet matched with the upgrading tag is sent to each lithium battery BMS through the server of the cloud platform in a one-to-many mode, and data upgrading is completed. The software upgrading efficiency of the battery pack system in the systematically arranged areas is greatly improved, and the upgrading failure probability caused by personal operation errors is reduced.
Description
Technical Field
The invention relates to the technical field of BMS (Battery management System) Internet of things systems, in particular to a method, a device, a medium and computer equipment for updating a lithium battery BMS Internet of things system.
Background
Lithium battery BMS (battery management system) mainly realizes functions such as battery state detection, battery state analysis, battery safety protection, and lithium battery BMS needs regularly or irregularly to carry out software upgrading because of battery system's update, needs to carry out data connection, data download, send data upgrade order completion data upgrade to independent BMS through the system upgrade at lithium battery BMS among the prior art. In a regional battery pack system arranged in a system, such as a bus company, a forklift company and the like belonging to the same company, hardware parameters and upgrading requirements of each battery module in the regional battery pack system are basically the same, and a lithium battery BMS is adopted to independently upgrade the regional battery pack system in a low efficiency manner, so that a lithium battery BMS upgrading method of the regional battery pack system needs to be further improved and perfected.
Disclosure of Invention
Based on this, it is necessary to provide a method, an apparatus, a medium, and a computer device for updating a lithium battery BMS internet of things system in order to solve the above problems.
A lithium battery BMS Internet of things system updating method is applied to a regional battery system, the regional battery system comprises a plurality of battery modules, each battery module comprises a lithium battery BMS, and the method comprises the following steps:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading label to each lithium battery BMS and completes data upgrading.
Further, the step of constructing a system upgrade link from the server of the cloud platform, the 4G module of the Internet of things control panel and the MCU module of the Internet of things control panel to the lithium battery BMS includes:
each battery pack module of the regional battery pack system is provided with the same battery hardware and lithium battery BMS, each lithium battery BMS is connected with one Internet of things control board, each Internet of things control board is connected with a server of the cloud platform through a 4G module of the Internet of things control board, and each 4G module comprises a GPS antenna and a 4G antenna; and each lithium battery BMS and a server of the cloud platform corresponding to the battery pack system in the region establish a sub-link, and all the sub-links form a system upgrading link.
Furthermore, the control panels of the internet of things of the regional battery pack system are connected through a CAN bus.
Further, the upgrade label also comprises BMS upgrade requirements and control panel upgrade requirements.
Further, the step that the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and finishes data upgrading comprises:
acquiring a state to be upgraded of a regional battery pack system, wherein the state to be upgraded is whether all lithium battery BMSs are in an upgradable state and whether all Internet of things control boards are in an upgradable state; acquiring OTA data packet receiving states of a regional battery pack system, wherein the OTA data packet receiving states are whether all lithium battery BMS have received a battery OTA upgrading data packet and whether all Internet of things control boards have received a control board OTA upgrading data packet; if all the lithium battery BMSs and all the control boards of the Internet of things are in the upgradable state, acquiring equipment parameters before the lithium battery BMS and the control boards are upgraded; sending an upgrading instruction to the regional battery pack system to complete data upgrading; acquiring equipment parameters after all lithium batteries are upgraded and equipment parameters after control panels are upgraded; acquiring an equipment upgrading evaluation result and an upgrading abnormal result of the regional battery pack according to the equipment parameters before the lithium battery is upgraded, the equipment parameters before the control panel is upgraded, the equipment parameters after the lithium battery is upgraded and the equipment parameters after the control panel is upgraded; and sending the equipment upgrading evaluation result and the upgrading abnormal result to a server of the cloud platform to serve as BMS upgrading requirements and control panel upgrading requirements.
Further, the regional battery pack system comprises a first battery pack module, a plurality of second battery pack modules and a common storage unit, the common storage unit comprises an instruction area and a storage area, the first battery pack module is any battery pack module of the regional battery pack system, the second battery pack module is any battery pack module except the first battery pack module in the regional battery pack system, the first battery pack module comprises a first internet of things control board and a first lithium battery BMS, the first internet of things control board comprises a first 4G module and a first MCU module, and the first 4G module comprises a GPS antenna and a 4G antenna; the first battery pack module and/or the second battery pack module acquire the OTA upgrade package from a server of the cloud platform and store the OTA upgrade package in a storage area of the public storage unit, and the OTA upgrade package in the storage area can be downloaded by the first battery pack module or the second battery pack module.
Further, the step that the server of the self-cloud platform sends the OTA upgrade data packet matched with the upgrade label to each lithium battery BMS and completes data upgrade comprises:
acquiring a starting time node of a first battery pack module for downloading an OTA upgrade package from a server of a cloud platform; acquiring a first network quality signal of a first battery pack module from a starting time node, wherein the first network quality signal comprises wireless signal strength and wireless signal stability between a first 4G module and a server of a cloud platform; if the network quality of the first network quality signal is lower than a preset signal quality threshold value, generating a downloading breakpoint record and a control password, wherein the downloading breakpoint record comprises equipment parameters, a network breakpoint position and an OTA upgrading requirement, the OTA upgrading requirement comprises downloading server information and OTA upgrading package information, the control password comprises an identity judgment module for verifying a connection request and a connection authority module, and the identification method of the network breakpoint position comprises the following steps: performing breakpoint position identification according to block files of an OTA upgrade package, wherein the total of the block files is the OTA upgrade package, or performing breakpoint position identification according to the data volume of downloaded files of the OTA upgrade package; sending a downloading breakpoint record to an instruction area of a public storage unit to generate a command to be processed, and sending a downloaded OTA upgrade package to a storage area of the public storage unit; acquiring a polling access state of the second battery pack module from a starting time node, wherein the polling access state comprises an instruction area in which the second battery pack module can poll to access the public storage unit or an instruction area in which the second battery pack module cannot poll to access the public storage unit, and after the starting time node, if the second battery pack module is not in an OTA data downloading state or an OTA data upgrading state, the second battery pack module can poll to access the instruction area of the public storage unit and sends a polling instruction to the second battery pack module so that the second battery pack module polls the instruction area of the public storage unit at a set frequency; if the second battery pack module acquires the instruction to be processed in the instruction area of the public storage unit, the second battery pack module enters an assistance mode, and in the assistance mode, the second battery pack module reads the instruction to be processed in the instruction area of the public storage unit and stores the instruction to be processed in the second MCU module, and then deletes the instruction to be processed in the instruction area; the second battery pack module downloads the downloaded OTA data packet of the first battery pack module from the storage area of the public storage unit and stores the downloaded OTA data packet in a second MCU of the second battery pack module, and then deletes the downloaded OTA upgrade packet of the storage area; the second battery pack module requests to continuously download the OTA upgrade package from the server of the cloud platform according to the download server information, the OTA data package information and the network breakpoint position information in the download breakpoint record in the instruction to be processed; acquiring a starting time node of a second battery pack module for downloading an OTA upgrade package from a server of the cloud platform; acquiring a second network quality signal of a second battery pack module from a starting time node, wherein the second network quality signal comprises wireless signal strength and wireless signal stability between a second 4G module and a server of the cloud platform; if the network quality of the second network quality signal is higher than a preset signal quality threshold value, combining the OTA upgrade package downloaded after the network breakpoint position and the downloaded OTA upgrade package into a complete OTA upgrade package; sending a complete OTA upgrade package to a storage area of a public storage unit; generating a processed instruction, wherein the processed instruction comprises a state identifier of an OTA upgrade package downloading state, and storing the processed instruction in an instruction area of a public storage unit; after the public storage unit receives the processed instruction, starting a counter, wherein the counter is used for counting the successful downloading times of the complete OTA upgrade package in the storage area; and if the successful downloading times are the same as the number of battery pack modules in the regional battery pack system, which are consistent with the OTA equipment information, deleting the complete OTA upgrade package.
A lithium battery BMS thing networking system update device includes:
the request module is used for acquiring a system upgrading request of the regional battery pack system;
the system comprises a label module, a battery module and a control module, wherein the label module is used for acquiring an upgrading label of each battery module of a regional battery pack system, and the upgrading label comprises battery hardware information and Internet of things control panel hardware information;
the link module is used for constructing a system upgrading link from the cloud platform server, the 4G module of the Internet of things control panel and the MCU module of the Internet of things control panel to the lithium battery BMS;
the protocol module is used for sending the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS from the server of the cloud platform through the system upgrading link;
and the upgrading module is used for sending the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS from the server of the cloud platform and finishing data upgrading.
A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control board, and an MCU module of the Internet of things control board to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading label to each lithium battery BMS and completes data upgrading.
A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control board, and an MCU module of the Internet of things control board to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading label to each lithium battery BMS and completes data upgrading.
According to the method, a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel and an MCU module of the Internet of things control panel to the lithium battery BMSs is constructed, an OTA upgrading network protocol is sent to each lithium battery BMS through the system upgrading link to be stored, and an OTA upgrading data packet matched with an upgrading label is sent to each lithium battery BMS from the server of the cloud platform in a one-to-many mode to complete data upgrading. The software upgrading efficiency of the battery pack system in the systematically arranged areas is greatly improved, and the upgrading failure probability caused by personal operation errors is reduced.
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.
Wherein:
fig. 1 is a flowchart of a method for updating a lithium battery BMS internet of things system in one embodiment;
FIG. 2 is a schematic diagram of a system upgrade link of a lithium battery BMS Internet of things system in one embodiment;
FIG. 3 is a schematic view illustrating a process of collecting an upgrade evaluation result and an upgrade requirement of the lithium battery BMS Internet of things system in one embodiment;
fig. 4 is a block diagram of a connection structure of an internet of things control board and a common storage unit of the lithium battery BMS internet of things system in one embodiment;
FIG. 5 is a flowchart of a breakpoint upgrade method for a lithium battery BMS Internet of things system in one embodiment;
fig. 6 is a block diagram of a structure of a system updating apparatus of a lithium battery BMS internet of things in one embodiment;
FIG. 7 is a block diagram of a computer device in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are 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.
The updating method of the lithium battery BMS Internet of things system in the embodiment is applied to the lithium battery BMS Internet of things system, the system comprises a server of a cloud platform and a regional battery pack system, and the method can be applied to the server of the cloud platform and also can be applied to a base station or the lithium battery BMS.
Example one
The technical problem to be solved by this embodiment is that the lithium battery BMS needs to perform software upgrading periodically or irregularly because of the update of the battery system, and in the prior art, the data connection, data downloading, and data upgrading instruction sending are required to be performed on the individual BMS to complete data upgrading through the system upgrading of the lithium battery BMS. In a regional battery pack system which is arranged in a system, such as a bus company and a forklift company belonging to the same company, the hardware parameters and the upgrading requirements of each battery pack module in the regional battery pack system are basically the same, and the efficiency is low by adopting a lithium battery BMS independent upgrading mode, so that the lithium battery BMS upgrading method of the regional battery pack system has defects and problems.
In order to solve the above technical problems, this embodiment provides a method for updating a lithium battery BMS internet of things system, which is applied to a regional battery system including a plurality of battery modules, each of which includes a lithium battery BMS, as shown in fig. 1, and the method includes:
s101: acquiring a system upgrading request of a regional battery pack system;
specifically, every battery pack module of regional battery pack system has the same battery hardware and lithium cell BMS, and every lithium cell BMS is connected with an thing networking control panel, and every thing networking control panel is connected with the server of cloud platform through its 4G module, the 4G module includes GPS antenna and 4G antenna.
The system upgrading request comprises an upgrading request sent by a regional battery pack to a server of the cloud platform and an upgrading request directly sent to the cloud platform, and the system upgrading request comprises a BMS upgrading request of a lithium battery BMS and also can comprise a control board upgrading request of an internet of things control board.
And the control panels of the Internet of things of the regional battery pack system are connected through a CAN bus.
S102: the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
specifically, the upgrade patch further includes BMS upgrade requirements and control panel upgrade requirements. The upgrading tag is used for identifying the identity and upgrading requirement of the lithium battery BMS to be upgraded and the identity and upgrading requirement of the IOT control panel to be upgraded.
S103: constructing a system upgrade link from a server of the cloud platform, a 4G module of the control board of the internet of things, and an MCU module of the control board of the internet of things to the lithium battery BMS, as shown in FIG. 2;
specifically, each battery pack module of the regional battery pack system is provided with the same battery hardware and lithium battery BMS, each lithium battery BMS is connected with one Internet of things control panel, each Internet of things control panel is connected with a server of the cloud platform through a 4G module of the Internet of things control panel, and each 4G module comprises a GPS antenna and a 4G antenna;
and each lithium battery BMS and a server of the cloud platform corresponding to the battery pack system in the region establish a sub-link, and all the sub-links form a system upgrading link.
S104: the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
the network protocol needs to be downloaded and arranged in each lithium battery BMS, and system upgrading cannot be completed without the network protocol.
S105: and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and completes data upgrading.
According to the method, a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, an MCU module of the Internet of things control panel to the lithium battery BMS is constructed, an OTA upgrading network protocol is sent to each lithium battery BMS through the system upgrading link to be stored, an OTA upgrading data packet matched with an upgrading label is sent to each lithium battery BMS from the server of the cloud platform in a one-to-many mode, and data upgrading is completed. The software upgrading efficiency of the battery pack system in the systematically arranged areas is greatly improved, and the upgrading failure probability caused by personal operation errors is reduced.
Example two
The existing regional battery pack system is usually required to be upgraded based on monitoring and analysis of each battery pack module, for example, a lithium battery BMS of each battery pack module has a BUG (battery pack management system) to cause control errors, but detection and analysis of upgrading effects are delayed, unified acquisition and data analysis are required, and the work is background data processing based on a server, so that the problems caused by the upgrading effects needing to be subjected to too long period can not be solved in time, and the system is set to be deteriorated and can not be recovered.
In order to solve the above problem, the embodiment provides a method for updating a lithium battery BMS internet of things system, as shown in fig. 3, including the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control board, and an MCU module of the Internet of things control board to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
acquiring a state to be upgraded of a regional battery pack system, wherein the state to be upgraded is whether all lithium battery BMSs are in an upgradable state and whether all Internet of things control boards are in an upgradable state;
acquiring OTA data packet receiving states of a regional battery pack system, wherein the OTA data packet receiving states are whether all lithium battery BMS have received a battery OTA upgrading data packet and whether all Internet of things control boards have received a control board OTA upgrading data packet;
if all lithium battery BMSs and all Internet of things control boards are in an upgradable state, acquiring equipment parameters before lithium battery upgrading and equipment parameters before control board upgrading;
sending an upgrading instruction to the regional battery pack system to complete data upgrading;
acquiring equipment parameters after all lithium batteries are upgraded and equipment parameters after control panels are upgraded;
acquiring an equipment upgrading evaluation result and an upgrading abnormal result of the regional battery pack according to the equipment parameters before the lithium battery is upgraded, the equipment parameters before the control panel is upgraded, the equipment parameters after the lithium battery is upgraded and the equipment parameters after the control panel is upgraded;
and sending the equipment upgrading evaluation result and the upgrading abnormal result to a server of the cloud platform to serve as BMS upgrading requirements and control panel upgrading requirements.
According to the method, the equipment upgrading evaluation result of the regional battery pack is obtained according to the equipment parameters before the lithium battery upgrading, the equipment parameters before the control panel upgrading, the equipment parameters after the lithium battery upgrading and the equipment parameters after the control panel upgrading, the evaluation result of the system upgrading effect is immediately and automatically obtained after the system upgrading is completed, and the upgrading abnormal result of the system upgrading can be directly used as the upgrading requirement of the next system upgrading. In particular, the equipment upgrade evaluation involved in the method is based on the upgrade comparison of all the regional battery modules upgraded at the same time, and since the hardware parameters of the battery modules in the regional battery system and the BMS are the same, the upgrade effect of the quantifiable regional battery system and the upgrade effect of a single battery module are compared based on the upgrade result at the current time. For example, based on a function parameter, the device with the smallest or largest upgrade increase number can be screened out, in the existing scheme, the performance of the device is improved after the device completes the upgrade, so that the upgrade requirement is met, but based on the upgrade evaluation of the system, the device is screened out, the upgrade evaluation which is not complete in upgrade is made, and the device is corrected in the next upgrade process.
EXAMPLE III
The single battery pack module in the regional battery pack system has a complex and variable operating environment, and is often in a closed environment with poor signals such as indoors, and if the battery pack module is downloading an OTA upgrade package at the moment, a downloading error and a downloading failure are easily caused, so that a system of the regional battery pack system is updated slowly or wrongly.
Meanwhile, each battery pack module downloads data through the 4G module of the battery pack module, so that the data interaction quantity of a regional battery pack system is increased, and the transmission pressure of a data interaction link is increased.
In order to solve the above technical problems, the present embodiment provides a method for updating a lithium battery BMS internet of things system, as shown in fig. 4 to 5, including the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
specifically, the regional battery pack system comprises a first battery pack module, a plurality of second battery pack modules and a public storage unit, wherein the public storage unit is a public server arranged in the regional battery pack system, and the public server is connected with the battery pack modules through a 4G module or a CAN bus. The public storage unit comprises an instruction area and a storage area, the first battery pack module is any battery pack module of a regional battery pack system, the second battery pack module is any battery pack module except the first battery pack module in the regional battery pack system, the first battery pack module comprises a first Internet of things control board and a first lithium battery BMS, the first Internet of things control board comprises a first 4G module and a first MCU module, and the first 4G module comprises a GPS antenna and a 4G antenna; the second networking control board comprises a second 4G module and a second MCU module, and the second 4G module comprises a GPS antenna and a 4G antenna. The Nth thing networking control panel includes N4G module and Nth MCU module, the N4G module includes GPS antenna and 4G antenna.
The first battery pack module and/or the second battery pack module acquire the OTA upgrade package from a server of the cloud platform and store the OTA upgrade package in a storage area of the public storage unit, and the OTA upgrade package in the storage area can be downloaded by the first battery pack module or the second battery pack module.
Acquiring a starting time node of a first battery pack module for downloading an OTA upgrade package from a server of a cloud platform;
acquiring a first network quality signal of a first battery pack module from a starting time node, wherein the first network quality signal comprises wireless signal strength and wireless signal stability between a first 4G module and a server of a cloud platform;
and if the network quality of the first network quality signal is lower than a preset signal quality threshold, generating a downloading breakpoint record and a control secret password.
When the network quality of the first network quality signal is lower than the preset signal quality threshold, it indicates that the network signal of the 4G module of the first battery pack module is unstable, and the network connection tends to be interrupted or has been interrupted, at this time, the OTA upgrade package is continuously downloaded, which inevitably causes a download failure, and the downloaded data also causes a waste of storage space and a cumbersome work of subsequent identification and deletion.
The download breakpoint record comprises equipment parameters, a network breakpoint position and OTA upgrade requirements, and the OTA upgrade requirements comprise download server information and OTA upgrade package information. The download server information comprises login information, MAC address information and the like, and after other battery pack modules acquire the authority, the download server information can be connected with the server according to the download server information and continuously execute OTA data packet download.
The control password comprises an identity judgment module for verifying a connection request and a connection authority module, the control password is a password agreed with a public storage unit server and/or a server of the cloud platform, the connection request of other battery pack modules can be identified through the control password, and the control authority of the other battery pack modules on the battery pack module is given to the other battery pack modules under the condition that the agreement is met.
The method for identifying the network breakpoint position comprises the following steps: performing breakpoint position identification according to block files of an OTA upgrade package, wherein the total of the block files is the OTA upgrade package, or performing breakpoint position identification according to the data volume of downloaded files of the OTA upgrade package;
sending a downloading breakpoint record to an instruction area of a public storage unit to generate a command to be processed, and sending a downloaded OTA upgrade package to a storage area of the public storage unit;
acquiring a polling access state of the second battery pack module from a starting time node, wherein the polling access state comprises an instruction area in which the second battery pack module can poll to access the public storage unit or an instruction area in which the second battery pack module cannot poll to access the public storage unit, and after the starting time node, if the second battery pack module is not in an OTA data downloading state or an OTA data upgrading state, the second battery pack module can poll to access the instruction area of the public storage unit and sends a polling instruction to the second battery pack module so that the second battery pack module polls the instruction area of the public storage unit at a set frequency;
if the second battery pack module acquires a to-be-processed instruction in an instruction area of the public storage unit, the to-be-processed instruction comprises a state identifier, the state identifier comprises a to-be-processed state and a processed state, if the state identifier is the to-be-processed state, the second battery pack module enters an assistance mode, and if the state identifier is the processed state, the first battery pack module is downloaded and the second battery pack module does not enter the assistance mode. Through the state identification, the second battery pack module can quickly and conveniently analyze whether the first battery pack module contained in the instruction to be processed needs to assist in downloading the OTA upgrade package.
If the second battery pack module enters the assistance mode, under the assistance mode, the second battery pack module reads the to-be-processed instruction in the instruction area of the common storage unit and stores the to-be-processed instruction in the second MCU module, and then deletes the to-be-processed instruction in the instruction area; deleting the to-be-processed command in the command area can avoid other battery pack modules from repeatedly executing the operation.
The second battery pack module downloads the downloaded OTA data packet of the first battery pack module from the storage area of the public storage unit and stores the downloaded OTA data packet in a second MCU of the second battery pack module, and then deletes the downloaded OTA upgrade packet of the storage area;
in another embodiment, the second battery pack module continuously downloads the OTA upgrade package which is not downloaded by the first battery pack module, the OTA upgrade package which is continuously downloaded is sent to the first battery pack module, and the first battery pack module combines the OTA upgrade package which is downloaded before the breakpoint record and the OTA upgrade package which is sent by the second battery pack into a complete OTA upgrade package and continuously upgrades the data.
The second battery pack module requests to continuously download the OTA upgrade package from a server of the cloud platform according to the download server information, the OTA data package information and the network breakpoint position information in the download breakpoint record in the instruction to be processed;
acquiring a start time node for downloading the OTA upgrade package from a server of the cloud platform by the second battery pack module;
acquiring a second network quality signal of a second battery pack module from a starting time node, wherein the second network quality signal comprises wireless signal strength and wireless signal stability between a second 4G module and a server of the cloud platform;
if the network quality of the second network quality signal is higher than a preset signal quality threshold value, combining the OTA upgrade package downloaded after the network breakpoint position and the downloaded OTA upgrade package into a complete OTA upgrade package;
and if the network quality of the second network quality signal is lower than a preset signal quality threshold, generating a downloading breakpoint record and a control password, sending the downloading breakpoint record to an instruction area of the public storage unit to generate a command to be processed, sending the downloaded OTA upgrade package to a storage area of the public storage unit, and continuing to assist through other battery pack modules.
Sending a complete OTA upgrade package to a storage area of a public storage unit;
generating a processed instruction, wherein the processed instruction comprises a state identifier of the downloading state of the OTA upgrade package, and storing the processed instruction in an instruction area of a public storage unit;
after the public storage unit receives the processed instruction, starting a counter, wherein the counter is used for counting the successful downloading times of the complete OTA upgrade package in the storage area;
and if the successful downloading times are the same as the number of battery pack modules in the regional battery pack system, which are consistent with the OTA equipment information, deleting the complete OTA upgrade package. That is, as long as the complete OTA upgrade package is saved in the storage area of the common storage unit, the battery modules in all the regional battery systems can access the storage area of the common storage unit and obtain the complete OTA upgrade package.
The counter of the public storage unit is used for counting the successful downloading times of the complete OTA upgrading packet, the OTA upgrading packet is related to the battery hardware information and/or the BMS system information of the battery pack, therefore, the battery pack modules in the same regional battery pack system are the same if the battery hardware information of the battery pack modules is the same, the successful downloading times of the OTA upgrading packet counted by the counter is the same as the number of the battery pack modules in the system, if the battery hardware information of the battery pack modules is different, the battery pack modules with multiple brands, models or batches are contained in one regional battery pack system, the counter only counts the successful downloading times of the OTA upgrading packet downloaded to the corresponding battery pack modules, the OTA upgrading packet data in the storage area of the public storage unit can be deleted in time, and the storage space of the public storage unit is saved.
By the method, any battery pack module of the regional battery pack can download the OTA upgrade package in a stable or unstable network environment and perform data upgrade, if the first battery pack module enters a signal shielding region such as an indoor space in the upgrade process, the upgrade requirement is automatically sent to the instruction region of the public storage unit, and the OTA data download is completed by continuously accessing the server and continuously downloading breakpoints through other idle battery pack modules. The technical problem that the regional battery pack system is stable in data saving and downloading due to complex environment is effectively solved. The system upgrading efficiency and the upgrading effect are improved.
Example four
The technical problem to be solved by this embodiment is that the lithium battery BMS needs to perform software upgrading periodically or irregularly because of the update of the battery system, and in the prior art, the data connection, data downloading, and data upgrading instruction sending are required to be performed on the individual BMS to complete data upgrading through the system upgrading of the lithium battery BMS. In a regional battery pack system which is arranged in a system, such as a bus company and a forklift company which belong to the same company, hardware parameters and upgrading requirements of each battery pack module in the regional battery pack system are basically the same, and the efficiency is low by adopting a lithium battery BMS independent upgrading mode, so that the lithium battery BMS upgrading method of the regional battery pack system has defects and problems.
In order to solve the above technical problem, this embodiment provides a lithium battery BMS thing networking system updating device, as shown in fig. 6, including:
a request module 100, configured to obtain a system upgrade request of a regional battery pack system;
the system comprises a label module 200, a tag module and a control module, wherein the label module 200 is used for acquiring an upgrade label of each battery pack module of a regional battery pack system, and the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
the link module 300 is used for constructing a cloud platform server, a 4G module of the Internet of things control board, and a system upgrade link from an MCU module of the Internet of things control board to the lithium battery BMS;
the protocol module 400 is used for sending the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS from the server of the cloud platform through the system upgrading link;
and the upgrading module 500 is used for sending the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS from the server of the cloud platform and finishing data upgrading.
The device constructs a system upgrading link from the server of the cloud platform, the 4G module of the control panel of the Internet of things and the MCU module of the control panel of the Internet of things to the lithium battery BMS, an OTA upgrading network protocol is sent to each lithium battery BMS through the system upgrading link to be stored, and an OTA upgrading data packet matched with an upgrading label is sent to each lithium battery BMS from the server of the cloud platform in a one-to-many mode and is upgraded. The software upgrading efficiency of the battery pack system arranged systematically in the region is greatly improved, and the upgrading failure probability caused by personal operation errors is reduced.
EXAMPLE five
FIG. 7 is a diagram illustrating an internal structure of a computer device in one embodiment. The computer device may specifically be a terminal, and may also be a server. As shown in fig. 7, the computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and also stores a computer program, and when the computer program is executed by a processor, the computer program can enable the processor to realize the updating method of the internet of things system. The internal memory may also store a computer program, and when the computer program is executed by the processor, the processor may execute the internet of things system updating method. It will be appreciated by those skilled in the art that the configuration shown in fig. 7 is a block diagram of only a portion of the configuration associated with the present application, and is not intended to limit the computing device to which the present application may be applied, and that a particular computing device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is proposed, comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading label to each lithium battery BMS and completes data upgrading.
In one embodiment, a computer-readable storage medium is proposed, in which a computer program is stored which, when executed by a processor, causes the processor to carry out the steps of:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and completes data upgrading.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), rambus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. A lithium battery BMS Internet of things system updating method is applied to a regional battery system, the regional battery system comprises a plurality of battery modules, each battery module comprises a lithium battery BMS, and the method is characterized by comprising the following steps:
acquiring a system upgrading request of a regional battery pack system;
the method comprises the steps of obtaining an upgrade label of each battery pack module of a regional battery pack system, wherein the upgrade label comprises battery hardware information and Internet of things control panel hardware information;
constructing a system upgrading link from a server of the cloud platform, a 4G module of the Internet of things control panel, and an MCU module of the Internet of things control panel to the lithium battery BMS;
the server of the self-cloud platform sends the OTA upgrading network protocol matched with the upgrading label to each lithium battery BMS through a system upgrading link;
and the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and completes data upgrading.
2. The updating method of the lithium battery BMS IOT system according to claim 1, wherein the step of constructing a system upgrade link from the server of the cloud platform, the 4G module of the IOT control board, the MCU module of the IOT control board to the lithium battery BMS comprises the steps of:
each battery pack module of the regional battery pack system is provided with the same battery hardware and lithium battery BMS, each lithium battery BMS is connected with one Internet of things control board, each Internet of things control board is connected with a server of the cloud platform through a 4G module of the Internet of things control board, and each 4G module comprises a GPS antenna and a 4G antenna;
and each lithium battery BMS and a server of the cloud platform corresponding to the battery pack system in the region establish a sub-link, and all the sub-links form a system upgrading link.
3. The updating method of the lithium battery BMS Internet of things system according to claim 1, wherein: and the control panels of the Internet of things of the regional battery pack system are connected through a CAN bus.
4. The updating method of the lithium battery BMS Internet of things system according to claim 1, wherein: the upgrade label also includes BMS upgrade requirements and control panel upgrade requirements.
5. The updating method of the lithium battery BMS Internet of things system according to claim 4, wherein: the steps that the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS and finishes data upgrading comprise:
acquiring a state to be upgraded of a regional battery pack system, wherein the state to be upgraded is whether all lithium battery BMSs are in an upgradable state and whether all Internet of things control boards are in an upgradable state;
acquiring OTA data packet receiving states of a regional battery pack system, wherein the OTA data packet receiving states are whether all lithium battery BMS have received battery OTA upgrade data packets and whether all Internet of things control boards have received control board OTA upgrade data packets;
if all lithium battery BMSs and all Internet of things control boards are in an upgradable state, acquiring equipment parameters before lithium battery upgrading and equipment parameters before control board upgrading;
sending an upgrading instruction to the regional battery pack system to complete data upgrading;
acquiring equipment parameters after all lithium batteries are upgraded and equipment parameters after control panels are upgraded;
acquiring an equipment upgrading evaluation result and an upgrading abnormal result of the regional battery pack according to the equipment parameters before the lithium battery is upgraded, the equipment parameters before the control panel is upgraded, the equipment parameters after the lithium battery is upgraded and the equipment parameters after the control panel is upgraded;
and sending the equipment upgrading evaluation result and the upgrading abnormal result to a server of the cloud platform to serve as BMS upgrading requirements and control panel upgrading requirements.
6. The updating method of the lithium battery BMS Internet of things system according to claim 3, wherein: the regional battery pack system comprises a first battery pack module, a plurality of second battery pack modules and a public storage unit, wherein the public storage unit comprises an instruction area and a storage area, the first battery pack module is any battery pack module of the regional battery pack system, the second battery pack module is any battery pack module except the first battery pack module in the regional battery pack system, the first battery pack module comprises a first Internet of things control panel and a first lithium battery BMS, the first Internet of things control panel comprises a first 4G module and a first MCU module, and the first 4G module comprises a GPS antenna and a 4G antenna;
the first battery pack module and/or the second battery pack module acquire the OTA upgrade package from a server of the cloud platform and store the OTA upgrade package in a storage area of the public storage unit, and the OTA upgrade package in the storage area can be downloaded by the first battery pack module or the second battery pack module.
7. The updating method of the lithium battery BMS (Battery management System) and Internet of things system according to claim 6, wherein: the step that the server of the self-cloud platform sends the OTA upgrading data packet matched with the upgrading label to each lithium battery BMS and completes data upgrading comprises the following steps:
acquiring a starting time node of a first battery pack module for downloading an OTA upgrade package from a server of a cloud platform;
acquiring a first network quality signal of a first battery pack module from a starting time node, wherein the first network quality signal comprises wireless signal strength and wireless signal stability between a first 4G module and a server of a cloud platform;
if the network quality of the first network quality signal is lower than a preset signal quality threshold value, generating a downloading breakpoint record and a control password, wherein the downloading breakpoint record comprises equipment parameters, a network breakpoint position and an OTA upgrading requirement, the OTA upgrading requirement comprises downloading server information and OTA upgrading package information, the control password comprises an identity judgment module for verifying a connection request and a connection authority module, and the identification method of the network breakpoint position comprises the following steps: performing breakpoint position identification according to block files of an OTA upgrade package, wherein the total of the block files is the OTA upgrade package, or performing breakpoint position identification according to the data volume of downloaded files of the OTA upgrade package;
sending a downloading breakpoint record to an instruction area of a public storage unit to generate a command to be processed, and sending a downloaded OTA upgrade package to a storage area of the public storage unit;
acquiring a polling access state of the second battery pack module from a starting time node, wherein the polling access state comprises an instruction area which can be used for the second battery pack module to poll and access the public storage unit or an instruction area which cannot be used for the second battery pack module to poll and access the public storage unit, and after the starting time node, if the second battery pack module is not in an OTA data downloading state or an OTA data upgrading state, the second battery pack module can poll and access the instruction area of the public storage unit and send a polling instruction to the second battery pack module so that the second battery pack module polls the instruction area of the public storage unit at a set frequency;
if the second battery pack module acquires the instruction to be processed in the instruction area of the public storage unit, the second battery pack module enters an assistance mode, and in the assistance mode, the second battery pack module reads the instruction to be processed in the instruction area of the public storage unit and stores the instruction to be processed in the second MCU module, and then deletes the instruction to be processed in the instruction area;
the second battery pack module downloads the downloaded OTA data packet of the first battery pack module from the storage area of the public storage unit and stores the downloaded OTA data packet in a second MCU of the second battery pack module, and then deletes the downloaded OTA upgrade packet of the storage area;
the second battery pack module requests to continuously download the OTA upgrade package from a server of the cloud platform according to the download server information, the OTA data package information and the network breakpoint position information in the download breakpoint record in the instruction to be processed;
acquiring a start time node for downloading the OTA upgrade package from a server of the cloud platform by the second battery pack module;
acquiring a second network quality signal of a second battery pack module from a starting time node, wherein the second network quality signal comprises wireless signal strength and wireless signal stability between a second 4G module and a server of the cloud platform;
if the network quality of the second network quality signal is higher than a preset signal quality threshold value, combining the OTA upgrade package downloaded after the network breakpoint position and the downloaded OTA upgrade package into a complete OTA upgrade package;
sending a complete OTA upgrade package to a storage area of a public storage unit;
generating a processed instruction, wherein the processed instruction comprises a state identifier of an OTA upgrade package downloading state, and storing the processed instruction in an instruction area of a public storage unit;
after the public storage unit receives the processed instruction, starting a counter, wherein the counter is used for counting the successful downloading times of the complete OTA upgrade package in the storage area;
and if the successful downloading times are the same as the number of battery pack modules in the regional battery pack system, which are consistent with the OTA equipment information, deleting the complete OTA upgrade package.
8. The utility model provides a lithium cell BMS thing networking systems update device which characterized in that includes:
the request module is used for acquiring a system upgrading request of a regional battery pack system;
the system comprises a label module, a battery module and a control module, wherein the label module is used for acquiring an upgrading label of each battery module of a regional battery pack system, and the upgrading label comprises battery hardware information and Internet of things control panel hardware information;
the link module is used for constructing a system upgrading link from the cloud platform server, the 4G module of the Internet of things control panel and the MCU module of the Internet of things control panel to the lithium battery BMS;
the protocol module is used for sending the OTA upgrading network protocol matched with the upgrading tag to each lithium battery BMS from the server of the cloud platform through a system upgrading link;
and the upgrading module is used for sending the OTA upgrading data packet matched with the upgrading tag to each lithium battery BMS from the server of the cloud platform and finishing data upgrading.
9. A computer-readable storage medium, storing a computer program which, when executed by a processor, causes the processor to carry out the steps of the method according to any one of claims 1 to 7.
10. A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the method according to any one of claims 1 to 7.
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