WO2020182023A1 - 储能系统的远程升级方法、能量管理系统和电池管理系统 - Google Patents

储能系统的远程升级方法、能量管理系统和电池管理系统 Download PDF

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Publication number
WO2020182023A1
WO2020182023A1 PCT/CN2020/077702 CN2020077702W WO2020182023A1 WO 2020182023 A1 WO2020182023 A1 WO 2020182023A1 CN 2020077702 W CN2020077702 W CN 2020077702W WO 2020182023 A1 WO2020182023 A1 WO 2020182023A1
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Prior art keywords
upgraded
file
energy storage
upgrade
battery management
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PCT/CN2020/077702
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English (en)
French (fr)
Inventor
冯勇勇
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宁德时代新能源科技股份有限公司
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Priority to EP20769922.4A priority Critical patent/EP3799397A4/en
Publication of WO2020182023A1 publication Critical patent/WO2020182023A1/zh
Priority to US17/137,056 priority patent/US11550561B2/en

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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
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1433—Saving, restoring, recovering or retrying at system level during software upgrading
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00—Systems for storing electric energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • 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
    • H04L67/50—Network services
    • H04L67/55—Push-based network services
    • 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
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/562—Brokering proxy services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/865—Monitoring of software
    • 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
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • This application relates to the field of battery technology, and in particular to a remote upgrade method of an energy storage system, an energy management system, and a battery management system.
  • the battery management system (Battery Management System; hereinafter referred to as: BMS) is the link between the battery and the user, which can improve the utilization of the battery, prevent the battery from overcharging and overdischarging, extend the battery life, and monitor the battery status. But when the BMS has program defects or version problems, it will directly affect the service life of the battery, and even produce serious consequences, which puts forward higher requirements for the BMS software management.
  • the embodiments of the present application provide a remote upgrade method, energy management system, and battery management system for an energy storage system, so as to implement remote program upgrades for the energy storage system, simplify the upgrade operation of the energy storage system, and save labor and time costs, and Upgrade and communication can use the same line, saving hardware cost.
  • an embodiment of the present application provides a remote upgrade method for an energy storage system, which is applied to an energy storage system, and the energy storage system includes an energy management system, a battery management system, and an energy storage converter, characterized in that:
  • the remote upgrade method of the energy storage system includes: obtaining a file to be upgraded of the energy storage system; when the current operating state of the energy storage system allows program upgrade, controlling the energy storage system through the energy storage converter Power down the high voltage, and detect the high voltage online state of the energy storage system through the battery management system; receive the notification that the energy storage system has been powered off under high voltage from the battery management system; send the file to be upgraded to The battery management system so that the battery management system performs program upgrade according to the file to be upgraded.
  • the obtaining the file to be upgraded of the energy storage system includes: receiving the file to be upgraded of the energy storage system sent by the server, and the file to be upgraded of the energy storage system is the After the file to be upgraded uploaded by the client is sent, the file to be upgraded uploaded by the client is the encrypted file to be upgraded after the client performs format adjustment and/or data encryption on the file to be upgraded of the energy storage system Uploaded to the server; or, periodically or periodically query the server for the version of the file to be upgraded in the server, if it is detected that the version of the file to be upgraded in the server is the updated version, then The server obtains the updated file to be upgraded; or, obtains the file to be upgraded of the energy storage system from a memory connected to the energy management system.
  • the sending the file to be upgraded to the battery management system so that the battery management system performs program upgrade according to the file to be upgraded includes: detecting that the file to be upgraded The type of the node to be upgraded; the upgrade data corresponding to the type of the node to be upgraded is obtained from the file to be upgraded; the upgrade data corresponding to the type of the node to be upgraded is sent to the communication in the battery management system Gateway, so that the communication gateway sends the upgrade data corresponding to the type of the node to be upgraded to the corresponding node to be upgraded, and completes the program upgrade of the corresponding node to be upgraded.
  • an embodiment of the present application provides a remote upgrade method for an energy storage system, which is applied to an energy storage system, and the energy storage system includes an energy management system, a battery management system, and an energy storage converter.
  • the remote upgrade method of the system includes: the communication gateway in the battery management system receives the file to be upgraded sent by the energy management system, the file to be upgraded is obtained by the energy management system, and when the current of the energy storage system
  • the energy management system controls the low-voltage high voltage of the energy storage system through the energy storage converter, and detects the high-voltage online state of the energy storage system through the battery management system.
  • the type of the node to be upgraded includes the communication gateway; the step of using the file to be upgraded to program upgrade the node to be upgraded according to the type of the node to be upgraded includes : Set an update flag bit in the non-volatile memory of the communication gateway; after detecting the upgrade request for the communication gateway included in the file to be upgraded, copy the upgrade data in the file to be upgraded to The designated area of the communication gateway; after the copy of the upgrade data is completed, the upgrade data in the designated area is verified; after the upgrade data in the designated area passes the verification, in the communication gateway Run the upgrade data in the designated area to complete the program upgrade of the communication gateway.
  • the type of the node to be upgraded includes a battery management unit and/or an insulation detection module in the battery management system; the type of the node to be upgraded is used according to the type of the node to be upgraded.
  • the upgrade file to upgrade the program of the node to be upgraded includes: sending a program upgrade notification to the battery management unit and/or the insulation detection module; after the program upgrade process of the battery management unit and/or the insulation detection module starts, from Obtain upgrade data from the file to be upgraded, and send the upgrade data to the battery management unit and/or insulation detection module, so that the battery management unit and/or insulation detection module can calibrate the upgrade data And after the upgrade data has passed the verification, put the upgrade data into the designated area of the battery management unit and/or the insulation detection module to complete the battery management unit and/or the Program upgrade of insulation detection module.
  • the type of the node to be upgraded includes a battery monitoring unit and/or a current sampling unit in the battery management system; according to the type of the node to be upgraded, the type of the node to be upgraded is used.
  • Upgrading the program of the node to be upgraded by the upgrade file includes: sending a program upgrade notification to the battery monitoring unit and/or current sampling unit; after the program upgrading process of the battery monitoring unit and/or current sampling unit starts, from Obtain upgrade data from the file to be upgraded, and send the upgrade data to the battery monitoring unit and/or current sampling unit through the battery management unit, so that the battery monitoring unit and/or current sampling unit can The upgrade data is verified, and after the upgrade data passes the verification, the upgrade data is put into the designated area of the battery monitoring unit and/or the current sampling unit to complete the battery monitoring unit and /Or the program upgrade of the current sampling unit.
  • the method further includes: if an error occurs during the program upgrade, the communication gateway corrects according to the error type of the error; if the error cannot be corrected , Restart for a new round of program upgrades. After the cumulative number of restarts of the same upgrade data exceeds a predetermined threshold, stop the program upgrade process, and report a program upgrade failure notification to the energy management system.
  • the type of the node to be upgraded includes a battery management unit, an insulation detection module and/or a current sampling unit in the battery management system;
  • the file to be upgraded includes a preset Thresholds and/or parameters of the battery management system;
  • said using the file to be upgraded to program the node to be upgraded according to the type of the node to be upgraded includes: parsing the file to be upgraded to obtain the The thresholds and/or parameters of the battery management system included in the file to be upgraded; when it is detected that the current operating state of the battery management system permits the upgrade, the thresholds and/or parameters of the battery management system are sent to all The corresponding node to be upgraded in the battery management system.
  • an embodiment of the present application also provides an energy management system, which is set in an energy storage system, characterized in that the energy management system includes a receiver, a transmitter, a memory, a processor, and storage on the memory A computer program that can be run on the processor; the processor is used to execute the computer program to obtain the file to be upgraded of the energy storage system; when the current operating state of the energy storage system allows program upgrade , Controlling the high voltage of the energy storage system through the energy storage converter in the energy storage system, and detecting the high voltage online state of the energy storage system through the battery management system; the receiver is used to receive The notification sent by the battery management system that the high-voltage power-off of the energy storage system has been completed; the transmitter is configured to send the file to be upgraded to the battery management system, so that the battery management system will Upgrade file for program upgrade.
  • the processor used to obtain the file to be upgraded of the energy storage system includes: the processor is specifically configured to receive the file to be upgraded of the energy storage system sent by the server through the receiver, The file to be upgraded of the energy storage system is sent by the server after receiving the file to be upgraded uploaded by the client, and the file to be upgraded uploaded by the client is performed by the client on the file to be upgraded of the energy storage system.
  • the encrypted file to be upgraded is uploaded to the server; or, the processor is specifically configured to query the server for the file to be upgraded in the server regularly or periodically Version, if it is detected that the version of the file to be upgraded in the server is an updated version, the updated file to be upgraded is obtained from the server; or, the file to be upgraded is obtained from the storage connected to the energy management system Files to be upgraded for the energy storage system.
  • the processor is further configured to detect the type of the node to be upgraded in the file to be upgraded, and obtain from the file to be upgraded the information corresponding to the type of the node to be upgraded Upgrade data; the transmitter is specifically configured to send upgrade data corresponding to the type of the node to be upgraded to the communication gateway in the battery management system, so that the communication gateway will communicate with the type of the node to be upgraded The corresponding upgrade data is sent to the corresponding node to be upgraded, and the program upgrade of the corresponding node to be upgraded is completed.
  • an embodiment of the present application also provides a battery management system, which is set in an energy storage system, the battery management system includes a communication gateway; the communication gateway is configured to receive files to be upgraded sent by the energy management system , The file to be upgraded is obtained by the energy management system, and when the current operating state of the energy storage system allows program upgrade, the energy management system controls the energy storage system through the energy storage converter The high voltage is turned off, and the high voltage online state of the energy storage system is detected by the battery management system.
  • the to-be-upgraded The file is sent to the battery management system; and the type of the node to be upgraded in the file to be upgraded is detected, and the program to be upgraded is performed on the node to be upgraded by using the file to be upgraded according to the type of the node to be upgraded.
  • the communication gateway is specifically configured to set an update flag in the nonvolatile memory of the communication gateway when the type of the node to be upgraded is the communication gateway; After detecting the upgrade request for the communication gateway included in the file to be upgraded, copy the upgrade data in the file to be upgraded to the designated area of the communication gateway; after the copy of the upgrade data is completed, The upgrade data in the designated area is verified; and after the upgrade data in the designated area passes the verification, the upgrade data is run in the designated area of the communication gateway to complete the program of the communication gateway upgrade.
  • the battery management system further includes: a battery management unit and/or an insulation detection module; the communication gateway is also used to send a program to the battery management unit and/or an insulation detection module Upgrade notification; after the program upgrade process of the battery management unit and/or insulation detection module is started, upgrade data is obtained from the file to be upgraded, and the upgrade data is sent to the battery management unit and/or insulation Detection module; the battery management unit and/or insulation detection module is used to verify the upgrade data, and after the upgrade data passes the verification, put the upgrade data into the battery management unit and /Or a designated area in the insulation detection module to complete the program upgrade of the battery management unit and/or the insulation detection module.
  • the battery management system further includes: a battery monitoring unit and/or a current sampling unit; the communication gateway is also used to send a program to the battery monitoring unit and/or current sampling unit Upgrade notification; after the program upgrade process of the battery monitoring unit and/or current sampling unit is started, upgrade data is obtained from the file to be upgraded, and the upgrade data is sent to the battery monitoring unit through the battery management unit And/or current sampling unit; the battery monitoring unit and/or current sampling unit is used to verify the upgrade data, and after the upgrade data passes the verification, put the upgrade data into the A designated area in the battery monitoring unit and/or the current sampling unit to complete the program upgrade of the battery monitoring unit and/or the current sampling unit.
  • the communication gateway is also used to correct the error according to the error type of the error when an error occurs during the program upgrade; if the error cannot be corrected, restart A new round of program upgrade is performed, and after the cumulative number of restarts of the same upgrade data exceeds a predetermined number threshold, the program upgrade process is stopped, and a notification of program upgrade failure is reported to the energy management system.
  • the type of the node to be upgraded includes a battery management unit, an insulation detection module and/or a current sampling unit in the battery management system;
  • the file to be upgraded includes a preset The threshold value and/or parameter of the battery management system;
  • the communication gateway is specifically used to parse the file to be upgraded to obtain the threshold value and/or parameter of the battery management system included in the file to be upgraded;
  • the threshold and/or parameters of the battery management system are sent to the corresponding node to be upgraded in the battery management system.
  • an embodiment of the present application also provides an energy storage system, including: an energy storage converter, the energy management system described above, and the battery management system described above; the energy management system and the energy storage system The converter is connected, the energy storage converter is connected with the battery management system, and the energy management system is connected with the battery management system.
  • the embodiments of the present application also provide a communication gateway, which is set in a battery management system.
  • the communication gateway includes a receiver, a memory, a processor, and is stored in the memory and can run on the processor.
  • the processor executes the computer program, the method provided in the second aspect is implemented.
  • an embodiment of the present application also provides a remote upgrade system for an energy storage system, including: a client, a server, and the energy storage system as described above.
  • an embodiment of the present application also provides a non-transitory computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the method provided in the first aspect is implemented.
  • embodiments of the present application also provide a non-transitory computer-readable storage medium on which a computer program is stored, and the computer program implements the method provided in the second aspect when executed by a processor.
  • EMS Energy Management System
  • PCS Power Conversion System
  • the above-mentioned file to be upgraded is sent to the BMS, so that the BMS can upgrade the program according to the above-mentioned file to be upgraded, so as to realize the remote program upgrade of the energy storage system, simplifying
  • the upgrade operation of the energy storage system saves manpower and time costs, and the upgrade and communication can use the same line, further saving hardware costs.
  • FIG. 1 is a schematic diagram of the communication architecture of the energy storage system of this application.
  • FIG. 2 is a schematic diagram of an embodiment of the insulation detection circuit of the present application.
  • FIG. 3 is a schematic diagram of an embodiment of a current sampling path of this application.
  • FIG. 4 is a flowchart of an embodiment of a remote upgrade method for an energy storage system according to the application
  • FIG. 5 is a flowchart of another embodiment of the remote upgrade method of the energy storage system according to the present application.
  • FIG. 6 is a schematic structural diagram of an embodiment of the energy management system of this application.
  • FIG. 7 is a schematic structural diagram of an embodiment of the battery management system of this application.
  • FIG. 8 is a schematic structural diagram of an embodiment of an energy storage system according to this application.
  • FIG. 9 is a schematic structural diagram of an embodiment of a communication gateway of this application.
  • Fig. 1 is a schematic diagram of the communication architecture of the energy storage system of this application.
  • the communication architecture of the aforementioned energy storage system includes a client, a server, and an energy storage system.
  • the communication method for remote communication between the client and the energy storage system can be Ethernet, but this application is not limited to this, and can also include other communication means for remote communication; the communication between energy storage systems can use wireless networks, control Controller Area Network (Controller Area Network; hereinafter referred to as: CAN), of course, can also use other communication methods, and this application does not limit this.
  • Controller Area Network Controller Area Network
  • CAN Controller Area Network
  • the remote program upgrade of the energy storage system may include the following:
  • Program upgrade With the development of BMS and the accumulation of experience, the software strategy will be continuously revised and improved, and some initially unrealized functions will gradually be realized. This requires normal upgrades of the devices that have been delivered to the client; remote The upgrade can realize the remote program upgrade of the energy storage system on the client without the need for after-sales personnel to go to the site;
  • the protection function of the energy storage system is greatly affected by the operating conditions. It is necessary to set the alarm thresholds of the system according to the actual operating conditions and conditions of different customer sites, such as battery over/under voltage threshold, insulation alarm threshold and temperature alarm Threshold etc.;
  • FIG. 5 Hardware aging parameters: The physical characteristics of hardware devices will change as they are used, for example: Y capacitors commonly used in energy storage systems, see Figure 2.
  • Figure 2 is a schematic diagram of an embodiment of the insulation detection circuit of the application, usually As the use time increases, the capacitance values shown in Y1 and Y2 will gradually increase, which will affect the insulation sampling accuracy of the energy storage system. The wrong insulation sampling value has the risk of affecting personal safety; therefore, it is necessary to periodically check the Y capacitance Change, modify the delay time of switching the switch in insulation sampling to correctly perform insulation sampling;
  • shunt resistor shunt resistor; hereinafter referred to as shunt
  • Figure 3 is a schematic diagram of an embodiment of the current sampling path of this application.
  • Current sampling in the energy storage system mainly uses shunt detection.
  • the resistance value will change with time and temperature, which will affect the current sampling accuracy; because the current sampling unit (Current Simple Unit; hereinafter referred to as: CSU) cannot be timed, the manufacturer needs to modify the preset shunt resistance according to the use time and temperature. value.
  • CSU Current Simple Unit
  • an embodiment of the present application proposes a remote upgrade method for the energy storage system, which is applied to the energy storage system. See FIG. 1.
  • the above-mentioned energy storage system may include EMS, BMS, and PCS. .
  • FIG. 4 is a flowchart of an embodiment of the remote upgrade method of the energy storage system according to this application.
  • the remote upgrade method of the energy storage system provided in this embodiment can be executed by EMS.
  • the above-mentioned remote upgrade method of the energy storage system Can include:
  • Step 401 Obtain a file to be upgraded of the energy storage system.
  • obtaining the file to be upgraded of the energy storage system may be: receiving the file to be upgraded of the energy storage system sent by the server.
  • the file to be upgraded of the energy storage system is sent by the server after receiving the file to be upgraded uploaded by the client.
  • the file to be upgraded uploaded by the client mentioned above is after the client performs format adjustment and/or data encryption on the file to be upgraded of the energy storage system, and then uploads the encrypted file to be upgraded to the server; or,
  • the file to be upgraded of the energy storage system is obtained from the storage connected to the EMS.
  • the encrypted files are passed through the network Upload to the server, and then after the server detects the file to be upgraded uploaded by the client, it notifies the EMS that there is an upgrade request, and sends the file to be upgraded to the EMS.
  • the EMS can periodically or periodically query the server for the version of the file to be upgraded in the server. If it is detected that the version of the file to be upgraded in the server is an updated version, it will obtain the updated version from the server. Files to be upgraded.
  • the EMS may also obtain the file to be upgraded of the energy storage system from the memory connected to the EMS; specifically, the file to be upgraded of the energy storage system may be stored in the memory, and then Connect the aforementioned storage to the EMS, so that the EMS can obtain the file to be upgraded of the aforementioned energy storage system from the aforementioned connected storage.
  • the foregoing memory may be a device with a storage function, such as a U disk or a mobile hard disk, and this embodiment does not limit the form of the foregoing memory.
  • Step 402 When the current operating state of the energy storage system allows program upgrade, the PCS controls the high voltage of the energy storage system, and the BMS detects the high voltage online state of the energy storage system.
  • the EMS needs to judge the current operating state of the energy storage system to determine whether the current operating state of the energy storage system allows program upgrades, if the energy storage system is currently in working state, for example: Power output status, then program upgrade is not allowed; if the energy storage system is currently in a non-working state, for example: static state, then program upgrade can be performed, and when the current operating state of the above-mentioned energy storage system allows program upgrade
  • the EMS controls the high voltage of the energy storage system through the PCS, and detects the high voltage online state of the energy storage system through the BMS.
  • Step 403 After receiving the notification from the BMS that the high-voltage power-off of the energy storage system is completed, the file to be upgraded is sent to the BMS, so that the BMS can upgrade the program according to the file to be upgraded.
  • the BMS detects the high-voltage power-off state of the energy storage system, and after detecting that the high-voltage power-off of the energy storage system has been completed, it sends a notification to the EMS that the high-voltage power-off of the energy storage system has been completed.
  • the EMS can send the file to be upgraded to the BMS according to the established communication protocol, so that the BMS can upgrade the program according to the file to be upgraded.
  • sending the file to be upgraded to the BMS so that the BMS can upgrade the program according to the file to be upgraded may be: detecting the type of node to be upgraded in the file to be upgraded; The upgrade data corresponding to the type of the node to be upgraded; the upgrade data corresponding to the type of the node to be upgraded is sent to the communication gateway in the BMS, so that the communication gateway sends the upgrade data corresponding to the type of the node to be upgraded to the corresponding For the node to be upgraded, complete the program upgrade of the corresponding node to be upgraded.
  • the EMS after the EMS obtains the file to be upgraded, it can parse the file to be upgraded, detect the type of node to be upgraded in the file to be upgraded, and then split the file to be upgraded, and obtain the data from the file to be upgraded.
  • the upgrade data corresponding to the type of the node to be upgraded is finally sent to the communication gateway in the BMS, and the communication gateway sends the upgrade data to the corresponding node to be upgraded to complete the procedure for the corresponding node to be upgraded. upgrade.
  • the EMS controls the high voltage of the energy storage system through the PCS, and passes
  • the BMS detects the high-voltage online status of the above-mentioned energy storage system, and after receiving the notification from the above-mentioned BMS that the above-mentioned high-voltage power-off of the above-mentioned energy storage system has been completed, it sends the above-mentioned files to be upgraded to the BMS so that the BMS can upgrade the program according to the above-mentioned files to be upgraded ,
  • the BMS can upgrade the program according to the above-mentioned files to be upgraded
  • FIG. 5 is a flowchart of another embodiment of the remote upgrade method of the energy storage system according to this application.
  • the remote upgrade method of the energy storage system provided in this embodiment can be executed by the BMS.
  • the remote upgrade of the energy storage system described above Methods can include:
  • Step 501 The communication gateway in the BMS receives the file to be upgraded sent by the EMS.
  • the file to be upgraded is obtained by EMS.
  • the EMS controls the high voltage of the energy storage system through the energy storage converter, and detects the energy storage system through BMS After receiving the notification from the BMS that the high-voltage power-off of the energy storage system has been completed, the file to be upgraded is sent to the BMS.
  • Step 502 Detect the type of the node to be upgraded in the file to be upgraded.
  • the communication gateway in the BMS may perform one or a combination of the following operations on the received file to be upgraded: decryption, decompression, verification and storage.
  • the verification may include integrity verification. Of course, this embodiment is not limited to this.
  • the verification may also include other types of verification, such as legality verification, which is not limited in this embodiment.
  • the communication gateway may detect the type of the node to be upgraded in the file to be upgraded.
  • Step 503 According to the type of the node to be upgraded, the program to be upgraded is performed on the node to be upgraded using the file to be upgraded.
  • the type of the node to be upgraded is indicated in the file to be upgraded, and the type of the node to be upgraded is different, and the upgrade method adopted is also different.
  • the type of the node to be upgraded may be a communication gateway.
  • the program upgrade of the node to be upgraded using the file to be upgraded may be: in the communication gateway The update flag bit is set in the non-volatile memory of the above-mentioned file; after detecting the upgrade request for the communication gateway included in the file to be upgraded, the upgrade data in the file to be upgraded is copied to the designated area of the communication gateway, such as The application (Application; hereinafter referred to as APP) operating area in the communication gateway; after the above-mentioned upgrade data is copied, the upgrade data in the above-mentioned designated area is verified; after the upgrade data in the above-mentioned designated area passes the verification, Run the upgrade data in the designated area of the communication gateway to complete the program upgrade of the communication gateway.
  • the application Application
  • the communication gateway may be stored in a non-volatile memory (Non-volatile Memory; hereinafter referred to as : Set the update flag in NVM), and then start the program upgrade process (that is, jump to boot); boot detects that there is an upgrade request, and copies the upgrade data stored in the backup area of the communication gateway to the above according to the established file format
  • the designated area of the communication gateway such as the APP operating area; after the above-mentioned upgrade data is copied, the boot verifies the data in the designated area, and after the above-mentioned upgrade data passes the verification, the APP is set to be valid in the designated area of the above-mentioned communication gateway Run the above-mentioned upgrade data to complete the program upgrade of the above-mentioned communication gateway.
  • the type of the node to be upgraded may include a battery management unit and/or an insulation monitoring module (Insulator Monitor Module; hereinafter referred to as IMM) in the BMS; wherein, the battery management unit in the BMS may include: Battery Management Unit (Slave Battery Management Unit; hereinafter referred to as SBMU) and Master Battery Management Unit (Master Battery Management Unit; hereinafter referred to as: MBMU).
  • SBMU Battery Management Unit
  • MBMU Master Battery Management Unit
  • the communication gateway detects that the type of the node to be upgraded is SBMU/MBMU/IMM, first, the communication gateway notifies SBMU/MBMU/IMM to upgrade the program, and SBMU/MBMU/IMM jumps to run the boot program and start the program Upgrade process; secondly, the communication gateway can directly send the upgrade data obtained from the file to be upgraded to SBMU/MBMU/IMM according to the established upgrade strategy and communication format, and the boot program of SBMU/MBMU/IMM performs the upgrade data received Check, after the above upgrade data passes the check, put the above upgrade data into the designated area to complete the program upgrade of SBMU/MBMU/IMM.
  • the type of the node to be upgraded may be a battery monitoring unit (Cell Supervision Circuit; hereinafter referred to as CSC) and/or CSU in the BMS; in this case, according to the type of the node to be upgraded, the above-mentioned waiting
  • the upgrade file to upgrade the program of the above-mentioned node to be upgraded may be: sending a program upgrade notification to the CSC and/or CSU; after the program upgrade process of the CSC and/or CSU is started, obtain the upgrade data from the above-mentioned file to be upgraded, and The upgrade data is sent to the CSC and/or CSU through the battery management unit, so that the CSC and/or CSU verify the above upgrade data, and after the above upgrade data passes the verification, the above upgrade data is put into the CSC and/or CSU To complete the program upgrade of CSC and/or CSU.
  • CSC Battery Monitoring Unit
  • CSU Battery Monitoring Circuit
  • the communication gateway detects that the type of the node to be upgraded is CSC/CSU, first, the communication gateway notifies the CSC/CSU to upgrade the program, and the CSC/CSU jumps to run the boot program to start the program upgrade process; secondly, the communication The gateway sends the upgrade data obtained from the above files to be upgraded to SBMU in accordance with the established upgrade strategy and communication format. SBMU forwards the upgrade data to CSC/CSU. The CSC/CSU boot program verifies the received upgrade data. After the above-mentioned upgrade data passes the verification, the above-mentioned upgrade data is put into the designated area in CSC/CSU to complete the program upgrade of CSC/CSU.
  • the communication gateway will correct it according to the error type of the error; if the error cannot be corrected Correction, restart for a new round of program upgrades. After the cumulative number of restarts of the same upgrade data exceeds the predetermined threshold, the communication gateway stops the above program upgrade process and reports the program upgrade failure notification to the EMS.
  • the communication gateway when it corrects an error that occurs during the program upgrade process, it can adopt a message retransmission method.
  • the above-mentioned predetermined number of times threshold may be set according to system performance and/or implementation requirements during specific implementation, which is not limited in this embodiment.
  • the above-mentioned predetermined number of times threshold may be 5.
  • the type of the node to be upgraded may include the battery management unit, IMM, and/or CSU in the BMS; the file to be upgraded includes preset thresholds and/or parameters of the BMS;
  • the program upgrade of the node to be upgraded using the file to be upgraded may be: parsing the file to be upgraded to obtain the threshold value and/or parameter of the BMS included in the file to be upgraded ;
  • the thresholds and/or parameters of the BMS are sent to the corresponding node to be upgraded in the BMS.
  • the cell aging curve, cell OCV curve, charge and discharge meter and power meter changes caused by cell aging; therefore, the client can fill in the revised parameters to the specified position in the established format file.
  • the threshold setting of the energy storage system needs to be modified online; all the parameter settings of the energy storage system at the factory are default values.
  • the client can set appropriate system thresholds and parameters according to the operating conditions of the energy storage system, customer needs and equipment performance.
  • the thresholds that need to be set can include: cell over/under voltage Alarm threshold, insulation alarm threshold and under/over temperature threshold of single unit/PACK, etc.
  • the client can fill in the set thresholds and parameters to the specified location in the established format file.
  • the specific judgment method is: when the switch delay time is increased (for example, the original set delay time is 1 second, modified to 2 seconds), the insulation no longer changes, it means that the Y capacitance change affects the insulation detection, and it can be continuously remote Adjust the delay parameter to reach a suitable time; when the switch delay time is increased, the insulation value is still at a lower insulation value, which means that the insulation value of the system itself is low, and it has nothing to do with the Y capacitance change.
  • the client can also fill in the adjusted delay time to the specified position in the established format file.
  • the established communication method adopted by the communication gateway may be Unified Diagnostic Services (hereinafter referred to as UDS), but is not limited to UDS, and other communication methods may also be used, which is not limited in this embodiment.
  • UDS Unified Diagnostic Services
  • the comparison table between the threshold and the parameter update of the node to be upgraded may be as shown in Table 1.
  • the communication gateway in the BMS receives the file to be upgraded sent by the EMS, detects the type of the node to be upgraded in the file to be upgraded, and uses the file to be upgraded according to the type of the node to be upgraded. Upgrade the program on the node to be upgraded. Since the files to be upgraded sent by the EMS are obtained by the EMS, when the current operating state of the above-mentioned energy storage system allows program upgrades, the EMS controls the high voltage of the energy storage system through the PCS, and detects the high-voltage online status of the above energy storage system through the BMS.
  • the file to be upgraded is sent to the BMS, so that the remote program upgrade of the energy storage system can be realized, which simplifies the upgrade operation of the energy storage system and saves This reduces labor and time costs, and upgrades and communications can use the same line, further saving hardware costs.
  • the client can also periodically download the operating data of the energy storage system from the server to analyze the operating status of the energy storage system, so that the client can It is built in a town far away from the energy storage system to realize remote real-time monitoring of the operation status of the energy storage system.
  • Fig. 6 is a schematic structural diagram of an embodiment of the energy management system of this application.
  • the above-mentioned EMS is set in the energy storage system.
  • the above-mentioned EMS includes a receiver 61, a transmitter 62, a memory 63, a processor 64, and A computer program on the aforementioned memory 63 that can be run on the aforementioned processor 64;
  • the processor 64 is configured to execute the above-mentioned computer program to obtain the file to be upgraded of the energy storage system; when the current operating state of the above-mentioned energy storage system allows program upgrade, control the above-mentioned storage through the energy storage converter in the above-mentioned energy storage system
  • the energy system is under high voltage, and the high voltage online status of the above energy storage system is detected through BMS;
  • the processor 64 used to obtain the file to be upgraded of the energy storage system may be: the processor 64 is specifically used to receive the file to be upgraded of the energy storage system sent by the server, and the file to be upgraded of the energy storage system is received by the server. After the file to be upgraded uploaded by the client is sent, the file to be upgraded uploaded by the client is after the client performs format adjustment and/or data encryption on the file to be upgraded of the energy storage system, and then uploads the encrypted file to be upgraded to the above Server; or, processor 64, specifically used to periodically or periodically query the server for the version of the file to be upgraded in the server, if it is detected that the version of the file to be upgraded in the server is the updated version, then from the server Obtain the updated file to be upgraded; or, obtain the file to be upgraded of the energy storage system from the storage connected to the EMS.
  • the encrypted files are passed through the network Upload to the server, and then after the server detects the file to be upgraded uploaded by the client, it notifies the EMS that there is an upgrade request, and sends the file to be upgraded to the EMS.
  • the processor 64 may periodically or periodically query the server for the version of the file to be upgraded in the server, and if it is detected that the version of the file to be upgraded in the server is an updated version, then obtain it from the server The updated file to be upgraded.
  • the processor 64 may also obtain the file to be upgraded of the energy storage system from the memory connected to the EMS; specifically, the file to be upgraded of the energy storage system may be stored in the memory , And then connect the aforementioned storage to the EMS, so that the processor 64 can obtain the file to be upgraded of the aforementioned energy storage system from the aforementioned connected storage.
  • the foregoing memory may be a device with a storage function, such as a U disk or a mobile hard disk, and this embodiment does not limit the form of the foregoing memory.
  • the receiver 61 is configured to receive the notification sent by the BMS that the high-voltage power-off of the energy storage system has been completed;
  • the transmitter 62 is configured to send the above-mentioned file to be upgraded to the BMS, so that the BMS can upgrade the program according to the above-mentioned file to be upgraded.
  • the BMS detects the high-voltage power-off state of the energy storage system, and after detecting that the high-voltage power-off of the energy storage system has been completed, it sends a notification to the EMS that the high-voltage power-off of the energy storage system has been completed.
  • the transmitter 62 can send the file to be upgraded to the BMS according to the established communication protocol, so that the BMS can upgrade the program according to the file to be upgraded. .
  • the processor 64 is further configured to detect the type of the node to be upgraded in the file to be upgraded; to obtain the upgrade data corresponding to the type of the node to be upgraded from the file to be upgraded; at this time, the transmitter 62. Specifically, it is used to send the upgrade data corresponding to the type of the node to be upgraded to the communication gateway in the BMS, so that the communication gateway sends the upgrade data corresponding to the type of the node to be upgraded to the corresponding node to be upgraded, complete Upgrade the program of the corresponding node to be upgraded above.
  • the processor 64 obtains the file to be upgraded, it can parse the file to be upgraded, detect the type of node to be upgraded in the file to be upgraded, and then split the file to be upgraded, from the file to be upgraded Obtain the upgrade data corresponding to the type of the node to be upgraded, and finally the transmitter 62 sends the obtained upgrade data to the communication gateway in the BMS, and the communication gateway sends the upgrade data to the corresponding node to be upgraded to complete the corresponding Program upgrade of the node to be upgraded.
  • the processor 64 controls the high voltage of the energy storage system through the PCS, and passes the BMS The high-voltage online status of the energy storage system is detected.
  • the receiver 61 receives the notification that the high-voltage power-off of the energy storage system has been completed from the BMS, the transmitter 64 sends the file to be upgraded to the BMS, so that the BMS can follow the waiting list.
  • the upgrade file is program upgraded, which can realize the remote program upgrade of the energy storage system, simplify the upgrade operation of the energy storage system, save labor and time costs, and the upgrade and communication can use the same line, which further saves hardware costs.
  • FIG. 7 is a schematic structural diagram of an embodiment of the battery management system of this application.
  • the BMS provided in this embodiment is set in the energy storage system.
  • the above-mentioned BMS includes a communication gateway 71;
  • the communication gateway 71 is configured to receive the files to be upgraded sent by the EMS.
  • the files to be upgraded are obtained by the EMS.
  • the EMS controls the high voltage of the energy storage system through the PCS, And through the BMS to detect the high-voltage online status of the energy storage system, after receiving the notification sent by the BMS that the high-voltage power-off of the energy storage system has been completed, send the file to be upgraded to the BMS; and detect the file to be upgraded in the file to be upgraded
  • the type of the node according to the type of the node to be upgraded, uses the file to be upgraded to perform program upgrade on the node to be upgraded.
  • the communication gateway 71 may perform one or a combination of the following operations on the received file to be upgraded: decryption, decompression, verification and storage.
  • the verification may include integrity verification. Of course, this embodiment is not limited to this.
  • the verification may also include other types of verification, such as legality verification, which is not limited in this embodiment.
  • the communication gateway 71 may detect the type of the node to be upgraded in the file to be upgraded.
  • the type of the node to be upgraded is indicated in the file to be upgraded, and the type of the node to be upgraded is different, and the upgrade method adopted is also different.
  • the communication gateway 71 is specifically configured to set an update flag in the non-volatile memory of the communication gateway when the type of the node to be upgraded is the communication gateway; when the file to be upgraded is detected
  • the upgrade data in the file to be upgraded is copied to the designated area of the communication gateway, such as the application (Application; hereinafter referred to as APP) operating area in the communication gateway;
  • the upgrade data in the designated area is verified; after the upgrade data in the designated area passes the verification, the upgrade data is run in the designated area of the communication gateway to complete the communication gateway.
  • Program upgrade is provided to set an update flag in the non-volatile memory of the communication gateway when the type of the node to be upgraded is the communication gateway; when the file to be upgraded is detected
  • the upgrade data in the file to be upgraded is copied to the designated area of the communication gateway, such as the application (Application; hereinafter referred to as APP) operating area in the communication gateway;
  • the upgrade data in the designated area is verified; after the upgrade data in the designated area passes
  • the communication gateway 71 may set the update flag in the NVM, and then start the program Upgrade process (that is, jump to boot); boot detects that there is a current upgrade request, and copies the upgrade data stored in the backup area of the communication gateway to the designated area of the communication gateway, such as the APP operating area, according to the established file format; After the above-mentioned upgrade data is copied, the boot verifies the data in the designated area. After the above-mentioned upgrade data passes the verification, the APP is set to be valid, and the above-mentioned upgrade data is run in the designated area of the communication gateway 71 to complete the above-mentioned communication gateway. Program upgrade.
  • the above-mentioned BMS further includes: a battery management unit 72 and/or an IMM 73; wherein, the battery management unit in the BMS may include: SBMU721 and MBMU722.
  • the communication gateway 71 is also used to communicate to the battery management unit 72 and/or IMM73 send a program upgrade notification; after the program upgrade process of the battery management unit 72 and/or IMM73 is started, the upgrade data is obtained from the file to be upgraded, and the upgrade data is sent to the battery management unit 72 and/ Or IMM73;
  • the battery management unit 72 and/or IMM 73 is used to verify the above-mentioned upgrade data, and after the above-mentioned upgrade data passes the verification, put the above-mentioned upgrade data into the designated area in the battery management unit 72 and/or IMM 73 to complete
  • the program of the battery management unit 72 and/or IMM 73 is upgraded.
  • the communication gateway 71 detects that the type of the node to be upgraded is SBMU721/MBMU722/IMM73, first, the communication gateway 71 notifies SBMU721/MBMU722/IMM73 that the program is to be upgraded, and SBMU721/MBMU722/IMM73 runs the boot program by jumping. Start the program upgrade process; secondly, the communication gateway 71 can directly send the upgrade data obtained from the file to be upgraded to SBMU721/MBMU722/IMM73 according to the established upgrade strategy and communication format, and the boot program pair of SBMU721/MBMU722/IMM73 received The upgrade data is verified. After the upgrade data passes the verification, the upgrade data is put into the designated area to complete the program upgrade of SBMU721/MBMU722/IMM73.
  • the above-mentioned BMS may also include: CSC74 and/or CSU75; at this time, the communication gateway 71 is also used to send a program upgrade notification to CSC74 and/or CSU75; in the above-mentioned CSC74 and/or CSU75 program upgrade After the process starts, obtain the upgrade data from the file to be upgraded, and send the upgrade data to the CSC74 and/or CSU75 through the battery management unit 72;
  • CSC74 and/or CSU75 is used to verify the above-mentioned upgrade data, and after the above-mentioned upgrade data passes the verification, put the above-mentioned upgrade data into the designated area in CSC74 and/or CSU75 to complete the CSC74 and/or CSU75 Program upgrade.
  • the communication gateway 71 detects that the type of the node to be upgraded is CSC74/CSU75, first, the communication gateway 71 informs the CSC74/CSU75 that the program is to be upgraded, and the CSC74/CSU75 jumps to run the boot program to start the program upgrade process; According to the established upgrade strategy and communication format, the communication gateway 71 sends the upgrade data obtained from the file to be upgraded to the SBMU721, and the SBMU721 forwards the upgrade data to CSC74/CSU75. The boot program of CSC74/CSU75 checks the received upgrade data. After the above-mentioned upgrade data passes the verification, put the above-mentioned upgrade data into the designated area of CSC74/CSU75 to complete the program upgrade of CSC74/CSU75.
  • the communication gateway 71 is also used to make corrections according to the error type of the above error when an error occurs during the above program upgrade process; if If the above error cannot be corrected, restart for a new round of program upgrades.
  • the cumulative number of restarts of the same upgrade data exceeds the predetermined threshold, stop the above program upgrade process and report the program upgrade failure notification to EMS.
  • the message retransmission method may be adopted.
  • the above-mentioned predetermined number of times threshold may be set according to system performance and/or implementation requirements during specific implementation, which is not limited in this embodiment.
  • the above-mentioned predetermined number of times threshold may be 5.
  • the type of the node to be upgraded may include the battery management unit 72, IMM73, and/or CSU75 in the BMS; the file to be upgraded includes preset thresholds and/or parameters of the BMS ; At this time, the communication gateway 71 is specifically configured to parse the file to be upgraded to obtain the threshold and/or parameters of the BMS included in the file to be upgraded; when it is detected that the current operating state of the BMS permits the upgrade, it will The thresholds and/or parameters of the above BMS are sent to the corresponding node to be upgraded in the above BMS.
  • the communication gateway 71 in this embodiment may adopt the communication gateway provided in the embodiment shown in FIG. 9 of this application.
  • Fig. 8 is a schematic structural diagram of an embodiment of the energy storage system of this application.
  • the aforementioned energy storage system may include: PCS81, EMS82, and BMS83.
  • EMS82 is connected with PCS81, PCS81 is connected with BMS83;
  • EMS82 is connected with BMS83.
  • the EMS 82 may adopt the EMS provided in the embodiment shown in FIG. 6 of this application
  • the BMS 83 may adopt the BMS provided in the embodiment shown in FIG. 7 of this application.
  • FIG. 9 is a schematic structural diagram of an embodiment of the communication gateway of this application.
  • the communication gateway is set in the BMS.
  • the communication gateway may include a receiver 91, a memory 92, a processor 93, and be stored on the memory 92.
  • a computer program that can run on the processor 93.
  • the processor 93 executes the computer program, it can implement the remote upgrade method of the energy storage system provided in the embodiment shown in FIG. 5 of the present application.
  • An embodiment of the present application also provides a remote upgrade system for an energy storage system, including: a client, a server, and the energy storage system provided in the embodiment shown in FIG. 8 of the present application.
  • a remote upgrade system for an energy storage system including: a client, a server, and the energy storage system provided in the embodiment shown in FIG. 8 of the present application.
  • the above-mentioned remote upgrade system for the energy storage system The architecture shown in FIG. 1 can be used, which will not be repeated here.
  • the embodiment of the present application also provides a non-transitory computer-readable storage medium on which a computer program is stored.
  • a computer program is stored on a non-transitory computer-readable storage medium on which a computer program is stored.
  • the energy storage system provided in the embodiment shown in FIG. 4 or FIG. 5 of the present application can be implemented. Remote upgrade method.
  • the aforementioned non-transitory computer-readable storage medium may adopt any combination of one or more computer-readable media.
  • the computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium.
  • the computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or a combination of any of the above.
  • computer-readable storage media include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (Read Only Memory) ; Hereinafter referred to as: ROM), Erasable Programmable Read Only Memory; hereinafter referred to as EPROM) or flash memory, optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic memory Pieces, or any suitable combination of the above.
  • the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device.
  • the computer-readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and computer-readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium.
  • the computer-readable medium may send, propagate or transmit the program for use by or in combination with the instruction execution system, apparatus, or device .
  • the program code contained on the computer-readable medium can be transmitted by any suitable medium, including but not limited to wireless, wire, optical cable, radio frequency (Radio Frequency; hereinafter referred to as RF), etc., or any suitable combination of the foregoing.
  • RF Radio Frequency
  • the computer program code used to perform the operations of the present application can be written in one or more programming languages or a combination thereof.
  • the programming languages include object-oriented programming languages such as Java, Smalltalk, C++, and also conventional Procedural programming language, such as "C" language or similar programming language.
  • the program code can be executed entirely on the user's computer, partly on the user's computer, executed as an independent software package, partly on the user's computer and partly executed on a remote computer, or entirely executed on the remote computer or server.
  • the remote computer can be connected to the user's computer through any type of network, including local area network (Local Area Network; hereinafter referred to as LAN) or Wide Area Network (hereinafter referred to as WAN), or can be connected To an external computer (for example, using an Internet service provider to connect via the Internet).
  • LAN Local Area Network
  • WAN Wide Area Network
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of” means at least two, such as two, three, etc., unless specifically defined otherwise.
  • the word “if” as used herein can be interpreted as “when” or “when” or “in response to determination” or “in response to detection”.
  • the phrase “if determined” or “if detected (statement or event)” can be interpreted as “when determined” or “in response to determination” or “when detected (statement or event) )” or “in response to detection (statement or event)”.
  • terminals involved in the embodiments of this application may include, but are not limited to, personal computers (Personal Computer; hereinafter referred to as PC), Personal Digital Assistants (Personal Digital Assistant; hereinafter referred to as PDA), wireless handheld devices, and tablets Computer (Tablet Computer), mobile phone, MP3 player, MP4 player, etc.
  • PC Personal Computer
  • PDA Personal Digital Assistants
  • Tablett Computer Tablet Computer
  • mobile phone MP3 player, MP4 player, etc.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined Or it can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.
  • the above-mentioned integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium.
  • the above-mentioned software functional unit is stored in a storage medium and includes several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (Processor) execute the method described in each embodiment of the present application Part of the steps.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory; hereinafter referred to as: ROM), random access memory (Random Access Memory; hereinafter referred to as: RAM), magnetic disks or optical disks, etc.

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Abstract

一种储能系统的远程升级方法、能量管理系统和电池管理系统，其中，上述远程升级方法应用于储能系统，储能系统包括能量管理系统、电池管理系统和储能变流器，储能系统的远程升级方法包括：获得储能系统的待升级文件；当储能系统的当前运行状态允许进行程序升级时，通过储能变流器控制储能系统下高压，并通过电池管理系统检测储能系统的高压在线状态；接收电池管理系统发送的储能系统高压下电已完成的通知；将待升级文件发送给电池管理系统，以便电池管理系统根据待升级文件进行程序升级。可以实现对储能系统进行远程程序升级，简化储能系统的升级操作，节省人力和时间成本，并且升级和通信可以使用同一线路，节省硬件成本。

Description

储能系统的远程升级方法、能量管理系统和电池管理系统
相关申请的交叉引用
本申请要求享有于2019年3月11日提交的名称为“储能系统的远程升级方法、能量管理系统和电池管理系统”的中国专利申请201910181503.6的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及电池技术领域，尤其涉及一种储能系统的远程升级方法、能量管理系统和电池管理系统。
背景技术
电池管理系统(Battery Management System；以下简称：BMS)是电池与用户之间的纽带，能够提高电池的利用率，防止电池出现过度充电和过度放电，延长电池的使用寿命，监控电池的状态。但当BMS出现程序缺陷或版本问题时，将会直接影响电池的使用寿命，甚至产生严重后果，这就对BMS的软件管理提出了较高的要求。
针对目前的储能系统，如果需要对BMS的程序进行升级，需要人工现场使用上位机与不同节点建立物理通信后再进行程序升级；但是，采用这种方式，若需要对一个大型储能电站进行程序升级，则需要付出大量的人力与时间；同时BMS需要预留升级的外置接口，无法实现升级与通信使用同一线路，增加额外的硬件成本。
发明内容
本申请实施例提供了一种储能系统的远程升级方法、能量管理系统和电池管理系统，以实现对储能系统进行远程程序升级，简化储能系统的升级操作，节省人力和时间成本，并且升级和通信可以使用同一线路，节省 硬件成本。
第一方面，本申请实施例提供了一种储能系统的远程升级方法，应用于储能系统，所述储能系统包括能量管理系统、电池管理系统和储能变流器，其特征在于，所述储能系统的远程升级方法包括：获得储能系统的待升级文件；当所述储能系统的当前运行状态允许进行程序升级时，通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态；接收所述电池管理系统发送的所述储能系统高压下电已完成的通知；将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级。
其中在一种可能的实现方式中，所述获得储能系统的待升级文件包括：接收服务器发送的储能系统的待升级文件，所述储能系统的待升级文件是所述服务器在接收到客户端上传的待升级文件之后发送的，所述客户端上传的待升级文件是所述客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到所述服务器的；或者，定时或周期性向所述服务器查询所述服务器中的待升级文件的版本，如果检测到所述服务器中的待升级文件的版本是更新后的版本，则从所述服务器获取更新后的待升级文件；或者，从与所述能量管理系统连接的存储器中获取所述储能系统的待升级文件。
其中在一种可能的实现方式中，所述将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级包括：检测所述待升级文件中待升级节点的类型；从所述待升级文件中获取与所述待升级节点的类型对应的升级数据；将与所述待升级节点的类型对应的升级数据发送给所述电池管理系统中的通信网关，以便所述通信网关将与所述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对所述对应的待升级节点的程序升级。
第二方面，本申请实施例提供了一种储能系统的远程升级方法，应用于储能系统，所述储能系统包括能量管理系统、电池管理系统和储能变流器，所述储能系统的远程升级方法包括：所述电池管理系统中的通信网关接收所述能量管理系统发送的待升级文件，所述待升级文件是所述能量管 理系统获得的，当所述储能系统的当前运行状态允许进行程序升级时，所述能量管理系统通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态，在接收到所述电池管理系统发送的所述储能系统高压下电已完成的通知之后，将所述待升级文件发送给所述电池管理系统；检测所述待升级文件中待升级节点的类型；根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级。
其中在一种可能的实现方式中，所述待升级节点的类型包括所述通信网关；所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：在所述通信网关的非易失存储器中设置更新标志位；在检测到所述待升级文件中包括的对所述通信网关的升级请求之后，将所述待升级文件中的升级数据复制到所述通信网关的指定区域；在所述升级数据复制完毕之后，对所述指定区域中的升级数据进行校验；在所述指定区域中的升级数据通过校验之后，在所述通信网关的指定区域中运行所述升级数据，以完成所述通信网关的程序升级。
其中在一种可能的实现方式中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元和/或绝缘检测模块；所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：向所述电池管理单元和/或绝缘检测模块发送程序升级通知；在所述电池管理单元和/或绝缘检测模块的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据发送给所述电池管理单元和/或绝缘检测模块，以使所述电池管理单元和/或绝缘检测模块对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池管理单元和/或所述绝缘检测模块中的指定区域，以完成所述电池管理单元和/或所述绝缘检测模块的程序升级。
其中在一种可能的实现方式中，所述待升级节点的类型包括所述电池管理系统中的电池监控单元和/或电流采样单元；所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：向所述电池监控单元和/或电流采样单元发送程序升级通知；在所述电池监控单 元和/或电流采样单元的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据通过电池管理单元发送给所述电池监控单元和/或电流采样单元，以使所述电池监控单元和/或电流采样单元对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池监控单元和/或所述电流采样单元中的指定区域，以完成所述电池监控单元和/或所述电流采样单元的程序升级。
其中在一种可能的实现方式中，所述方法还包括：如果在所述程序升级过程中出现错误，所述通信网关则根据所述错误的错误类型来进行修正；如果所述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，停止所述程序升级过程，并向所述能量管理系统上报程序升级失败的通知。
其中在一种可能的实现方式中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元、绝缘检测模块和/或电流采样单元；所述待升级文件中包括预先设定的电池管理系统的阈值和/或参数；所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：对所述待升级文件进行解析，获得所述待升级文件中包括的所述电池管理系统的阈值和/或参数；当检测到所述电池管理系统的当前运行状态允许进行升级时，将所述电池管理系统的阈值和/或参数发送给所述电池管理系统中对应的待升级节点。
第三方面，本申请实施例还提供一种能量管理系统，设置在储能系统中，其特征在于，所述能量管理系统包括接收器、发送器、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序；所述处理器，用于执行所述计算机程序，获得储能系统的待升级文件；当所述储能系统的当前运行状态允许进行程序升级时，通过所述储能系统中的储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态；所述接收器，用于接收所述电池管理系统发送的所述储能系统高压下电已完成的通知；所述发送器，用于将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级。
其中在一种可能的实现方式中，所述处理器用于获得储能系统的待升级文件包括：所述处理器，具体用于通过所述接收器接收服务器发送的储能系统的待升级文件，所述储能系统的待升级文件是所述服务器在接收到客户端上传的待升级文件之后发送的，所述客户端上传的待升级文件是所述客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到所述服务器的；或者，所述处理器，具体用于定时或周期性向所述服务器查询所述服务器中的待升级文件的版本，如果检测到所述服务器中的待升级文件的版本是更新后的版本，则从所述服务器获取更新后的待升级文件；或者，从与所述能量管理系统连接的存储器中获取所述储能系统的待升级文件。
其中在一种可能的实现方式中，所述处理器，还用于检测所述待升级文件中待升级节点的类型，以及从所述待升级文件中获取与所述待升级节点的类型对应的升级数据；所述发送器，具体用于将与所述待升级节点的类型对应的升级数据发送给所述电池管理系统中的通信网关，以便所述通信网关将与所述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对所述对应的待升级节点的程序升级。
第四方面，本申请实施例还提供一种电池管理系统，设置在储能系统中，所述电池管理系统包括通信网关；所述通信网关，用于接收所述能量管理系统发送的待升级文件，所述待升级文件是所述能量管理系统获得的，当所述储能系统的当前运行状态允许进行程序升级时，所述能量管理系统通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态，在接收到所述电池管理系统发送的所述储能系统高压下电已完成的通知之后，将所述待升级文件发送给所述电池管理系统；以及检测所述待升级文件中待升级节点的类型，根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级。
其中在一种可能的实现方式中，所述通信网关，具体用于当所述待升级节点的类型为所述通信网关时，在所述通信网关的非易失存储器中设置更新标志位；在检测到所述待升级文件中包括的对所述通信网关的升级请求之后，将所述待升级文件中的升级数据复制到所述通信网关的指定区域； 在所述升级数据复制完毕之后，对所述指定区域中的升级数据进行校验；以及在所述指定区域中的升级数据通过校验之后，在所述通信网关的指定区域中运行所述升级数据，以完成所述通信网关的程序升级。
其中在一种可能的实现方式中，所述电池管理系统还包括：电池管理单元和/或绝缘检测模块；所述通信网关，还用于向所述电池管理单元和/或绝缘检测模块发送程序升级通知；在所述电池管理单元和/或绝缘检测模块的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据发送给所述电池管理单元和/或绝缘检测模块；所述电池管理单元和/或绝缘检测模块，用于对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池管理单元和/或所述绝缘检测模块中的指定区域，以完成所述电池管理单元和/或所述绝缘检测模块的程序升级。
其中在一种可能的实现方式中，所述电池管理系统还包括：电池监控单元和/或电流采样单元；所述通信网关，还用于向所述电池监控单元和/或电流采样单元发送程序升级通知；在所述电池监控单元和/或电流采样单元的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据通过电池管理单元发送给所述电池监控单元和/或电流采样单元；所述电池监控单元和/或电流采样单元，用于对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池监控单元和/或所述电流采样单元中的指定区域，以完成所述电池监控单元和/或所述电流采样单元的程序升级。
其中在一种可能的实现方式中，所述通信网关，还用于在所述程序升级过程中出现错误时，根据所述错误的错误类型来进行修正；如果所述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，停止所述程序升级过程，并向所述能量管理系统上报程序升级失败的通知。
其中在一种可能的实现方式中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元、绝缘检测模块和/或电流采样单元；所述待升级文件中包括预先设定的电池管理系统的阈值和/或参数；所述通信网关， 具体用于对所述待升级文件进行解析，获得所述待升级文件中包括的所述电池管理系统的阈值和/或参数；当检测到所述电池管理系统的当前运行状态允许进行升级时，将所述电池管理系统的阈值和/或参数发送给所述电池管理系统中对应的待升级节点。
第五方面，本申请实施例还提供一种储能系统，包括：储能变流器、如上所述的能量管理系统和如上所述的电池管理系统；所述能量管理系统与所述储能变流器连接，所述储能变流器与所述电池管理系统连接，所述能量管理系统与所述电池管理系统连接。
第六方面，本申请实施例还提供一种通信网关，设置在电池管理系统中，所述通信网关包括接收器、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时，实现第二方面提供的方法。
第七方面，本申请实施例还提供一种储能系统的远程升级系统，包括：客户端、服务器和如上所述的储能系统。
第八方面，本申请实施例还提供一种非临时性计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现第一方面提供的方法。
第九方面，本申请实施例还提供一种非临时性计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现第二方面提供的方法。
以上技术方案应用于储能系统，上述储能系统包括能量管理系统(Energy Management System；以下简称：EMS)、BMS和储能变流器(Power Conversion System；以下简称：PCS)，在获得储能系统的待升级文件之后，当上述储能系统的当前运行状态允许进行程序升级时，EMS通过上述PCS控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收到上述BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级，从而可以实现对储能系统进行远程程序升级，简化了储能系统的升级操作，节省了人力和时间成本，并且升级和通信可以使用 同一线路，进一步节省了硬件成本。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本申请储能系统的通信架构示意图；
图2为本申请绝缘检测电路一个实施例的示意图；
图3为本申请电流采样通路一个实施例的示意图；
图4为本申请储能系统的远程升级方法一个实施例的流程图；
图5为本申请储能系统的远程升级方法另一个实施例的流程图；
图6为本申请能量管理系统一个实施例的结构示意图；
图7为本申请电池管理系统一个实施例的结构示意图；
图8为本申请储能系统一个实施例的结构示意图；
图9为本申请通信网关一个实施例的结构示意图。
具体实施方式
为了更好的理解本申请的技术方案，下面结合附图对本申请实施例进行详细描述。
应当明确，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
在本申请实施例中使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
图1为本申请储能系统的通信架构示意图，如图1所示，上述储能系统的通信架构中包括客户端、服务器和储能系统。客户端与储能系统进行 远程通信的通信方式可以为以太网，但本申请并不仅限于此，还可以包含其他可供远程通信的通信手段；储能系统之间的通信可以采用无线网络、控制器局域网络(Controller Area Network；以下简称：CAN)，当然也可以采用其他通信方式，本申请对此不作限定。
本申请实施例中，对储能系统进行远程程序升级的情况可以包括以下几种：
1、程序升级：随着BMS的发展与经验的累积，软件策略会被不断修正而愈加完善，一些最初未实现的功能也会逐渐实现，这就需要对已交付客户端的设备进行正常升级；远程升级可以实现不需要售后人员到现场，在客户端对储能系统进行远程程序升级；
2、软件漏洞(Bug)修复：当出现软件Bug时，需要修复Bug，并对储能系统进行远程程序升级；
3、对储能系统的阈值和/或参数进行修改，具体包括以下情况：
1)电芯老化曲线：随着电芯的使用，电芯原始预设的老化曲线可能会与实际情况出现偏差，需要对电芯的老化曲线进行校准；
2)电芯开路电压(Open Circuit Voltage；以下简称：OCV)曲线：随着电芯的老化，电芯的原始OCV曲线会与实际情况发生偏差，从而影响系统对电池荷电状态(State of Charge；以下简称：SOC)的计算；
3)充放电表与功率表：随着电芯老化，电芯原始参数会发生改变，若再以高倍率对电芯进行充放电，则会加速缩短电芯的寿命，因此需要更新系统的充放电表与功率表；
4)储能系统的防护功能受使用工况的影响较大，需要根据不同客户现场的实际使用工况及条件设置系统的告警阈值，例如电芯过/欠压阈值、绝缘告警阈值和温度告警阈值等；
5)硬件老化参数：硬件设备会随着使用其物理特性会发生变化，例如：储能系统中常见的Y电容，参见图2，图2为本申请绝缘检测电路一个实施例的示意图，通常情况下随着使用时间的增长，Y1和Y2所示电容值会逐渐变大，这样会影响储能系统的绝缘采样精度，错误的绝缘采样值有影响人身安全的风险；因此需要定期检测Y电容的变化，修正在绝缘采 样中切换开关的延时时间，来正确进行绝缘采样；
6)分流电阻(shunt resistor；以下简称：shunt)的阻值：参见图3，图3为本申请电流采样通路一个实施例的示意图，目前储能系统中的电流采样主要采用shunt检测，shunt的阻值会随着时间及温度而变化，从而影响电流的采样精度；由于电流采样单元(Current Simple Unit；以下简称：CSU)无法进行计时，所以需要厂商依据使用时间及温度修正预设的shunt阻值。
为了在上述情况下对储能系统进行远程程序升级，本申请实施例提出一种储能系统的远程升级方法，应用于储能系统，参见图1，上述储能系统可以包括EMS、BMS和PCS。
图4为本申请储能系统的远程升级方法一个实施例的流程图，本实施例提供的储能系统的远程升级方法可以由EMS执行，如图4所示，上述储能系统的远程升级方法可以包括：
步骤401，获得储能系统的待升级文件。
具体地，获得储能系统的待升级文件可以为：接收服务器发送的储能系统的待升级文件，上述储能系统的待升级文件是服务器在接收到客户端上传的待升级文件之后发送的，上述客户端上传的待升级文件是客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到上述服务器的；或者，
定时或周期性向服务器查询上述服务器中的待升级文件的版本，如果检测到上述服务器中的待升级文件的版本是更新后的版本，则从上述服务器获取更新后的待升级文件；或者，
从与上述EMS连接的存储器中获取上述储能系统的待升级文件。
也就是说，一种实现方式中，参见图1所示的储能系统的通信架构，客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的文件通过网络上传至服务器，然后服务器检测到客户端上传的待升级文件之后，通知EMS有升级需求，并将上述待升级文件发送给EMS。
另一种实现方式中，EMS可以定时或周期性向服务器查询上述服务器中的待升级文件的版本，如果检测到上述服务器中的待升级文件的版本是 更新后的版本，则从上述服务器获取更新后的待升级文件。
另外，再一种实现方式中，EMS也可以从与上述EMS连接的存储器中获取上述储能系统的待升级文件；具体来说，可以将上述储能系统的待升级文件存储在存储器中，然后将上述存储器与EMS连接，这样，EMS就可以从上述连接的存储器中获取上述储能系统的待升级文件。其中，上述存储器可以为U盘或移动硬盘等具有存储功能的设备，本实施例对上述存储器的形式不作限定。
步骤402，当上述储能系统的当前运行状态允许进行程序升级时，通过PCS控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态。
具体地，在获得待升级文件之后，EMS需要对储能系统的当前运行状态进行判断，确定储能系统的当前运行状态是否允许进行程序升级，如果储能系统当前正处于工作状态，例如：大功率输出的状态，那么就不允许进行程序升级；如果储能系统当前处于非工作状态，例如：静置状态，那么就可以进行程序升级，而当上述储能系统的当前运行状态允许进行程序升级时，EMS通过PCS控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态。
步骤403，在接收到BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级。
具体地，BMS对上述储能系统的高压下电状态进行检测，当检测到上述储能系统高压下电已完成之后，向EMS发送上述储能系统高压下电已完成的通知。EMS在接收到BMS发送的上述储能系统高压下电已完成的通知之后，可以按照既定的通信协议将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级。
在一种实现方式中，将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级可以为：检测上述待升级文件中待升级节点的类型；从上述待升级文件中获取与上述待升级节点的类型对应的升级数据；将与上述待升级节点的类型对应的升级数据发送给BMS中的通信网 关，以便上述通信网关将与上述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对上述对应的待升级节点的程序升级。
也就是说，EMS获取待升级文件之后，可以对上述待升级文件进行解析，检测上述待升级文件中待升级节点的类型，然后对上述待升级文件进行拆分，从上述待升级文件中获取与上述待升级节点的类型对应的升级数据，最后将获取的升级数据发送给BMS中的通信网关，由通信网关将上述升级数据发送给对应的待升级节点，完成对上述对应的待升级节点的程序升级。
上述储能系统的远程升级方法中，在获得储能系统的待升级文件之后，当上述储能系统的当前运行状态允许进行程序升级时，EMS通过上述PCS控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收到上述BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级，从而可以实现对储能系统进行远程程序升级，简化了储能系统的升级操作，节省了人力和时间成本，并且升级和通信可以使用同一线路，进一步节省了硬件成本。
图5为本申请储能系统的远程升级方法另一个实施例的流程图，本实施例提供的储能系统的远程升级方法可以由BMS执行，如图5所示，上述储能系统的远程升级方法可以包括：
步骤501，BMS中的通信网关接收EMS发送的待升级文件。
其中，上述待升级文件是EMS获得的，当上述储能系统的当前运行状态允许进行程序升级时，EMS通过上述储能变流器控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收到BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS。
步骤502，检测上述待升级文件中待升级节点的类型。
具体地，在BMS中的通信网关接收到EMS发送的待升级文件之后，通信网关可以对接收到的待升级文件进行以下操作之一或组合：解密、解压缩、校验和存储。
其中，校验可以包括完整性校验，当然本实施例并不仅限于此，校验还可以包括其他类型的校验，例如：合法性校验，本实施例对此不作限定。
在对接收到的待升级文件进行上述操作之后，通信网关可以对上述待升级文件中待升级节点的类型进行检测。
步骤503，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级。
本实施例中，上述待升级文件中会指示待升级节点的类型，待升级节点的类型不同，所采用的升级方式也不同。
在一种具体实现方式中，上述待升级节点的类型可以为通信网关，这时，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级可以为：在上述通信网关的非易失存储器中设置更新标志位；在检测到上述待升级文件中包括的对上述通信网关的升级请求之后，将上述待升级文件中的升级数据复制到上述通信网关的指定区域，例如上述通信网关中的应用(Application；以下简称：APP)运行区；在上述升级数据复制完毕之后，对上述指定区域中的升级数据进行校验；在上述指定区域中的升级数据通过校验之后，在上述通信网关的指定区域中运行上述升级数据，以完成上述通信网关的程序升级。
具体地，通信网关对上述待升级文件中待升级节点的类型进行检测之后，如果待升级节点的类型即为通信网关自身，则上述通信网关可以在非易失存储器(Non-volatile Memory；以下简称：NVM)中设置更新标志位，然后启动程序升级过程(即跳转至boot)；boot检测到当前有升级请求，则按照既定的文件格式将存储在通信网关的备份区的升级数据复制至上述通信网关的指定区域，例如APP运行区；当上述升级数据复制完毕之后，boot对指定区域的数据进行校验，在上述升级数据通过校验之后，置位APP有效，在上述通信网关的指定区域中运行上述升级数据，以完成上述通信网关的程序升级。
另一种实现方式中，上述待升级节点的类型可以包括BMS中的电池管理单元和/或绝缘检测模块(Insulator Monitor Module；以下简称：IMM)；其中，BMS中的电池管理单元可以包括：从电池管理单元 (Slave Battery Management Unit；以下简称：SBMU)和主电池管理单元(Master Battery Management Unit；以下简称：MBMU)，这时，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级可以为：
向上述电池管理单元和/或IMM发送程序升级通知；在上述电池管理单元和/或IMM的程序升级过程启动之后，从上述待升级文件中获取升级数据，并将上述升级数据发送给上述电池管理单元和/或IMM，以使上述电池管理单元和/或IMM对上述升级数据进行校验，并在上述升级数据通过校验之后，将上述升级数据放入上述电池管理单元和/或IMM中的指定区域，以完成上述电池管理单元和/或IMM的程序升级。
具体地，如果通信网关检测到待升级节点的类型为SBMU/MBMU/IMM，则首先，通信网关通知SBMU/MBMU/IMM要进行程序升级，SBMU/MBMU/IMM通过跳转运行boot程序，启动程序升级过程；其次，通信网关可以按照既定升级策略与通信格式，直接将从待升级文件中获取的升级数据发送给SBMU/MBMU/IMM，SBMU/MBMU/IMM的boot程序对接收到的升级数据进行校验，在上述升级数据通过校验之后，将上述升级数据放入指定区域，以完成SBMU/MBMU/IMM的程序升级。
再一种实现方式中，上述待升级节点的类型可以为BMS中的电池监控单元(Cell Supervision Circuit；以下简称：CSC)和/或CSU；这时，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级可以为：向CSC和/或CSU发送程序升级通知；在CSC和/或CSU的程序升级过程启动之后，从上述待升级文件中获取升级数据，并将上述升级数据通过电池管理单元发送给CSC和/或CSU，以使CSC和/或CSU对上述升级数据进行校验，并在上述升级数据通过校验之后，将上述升级数据放入CSC和/或CSU中的指定区域，以完成CSC和/或CSU的程序升级。
具体地，如果通信网关检测到待升级节点的类型为CSC/CSU，则首先，通信网关通知CSC/CSU要进行程序升级，CSC/CSU通过跳转运行boot程序，启动程序升级过程；其次，通信网关按照既定升级策略与通信格式将 从上述待升级文件中获取的升级数据发送给SBMU，SBMU将升级数据转发给CSC/CSU，CSC/CSU的boot程序对接收到的升级数据进行校验，在上述升级数据通过校验之后，将上述升级数据放入CSC/CSU中的指定区域，以完成CSC/CSU的程序升级。
进一步地，在对SBMU、MBMU、IMM、CSC和/或CSU的程序升级过程中，如果在上述程序升级过程中出现错误，通信网关则根据上述错误的错误类型来进行修正；如果上述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，通信网关停止上述程序升级过程，并向EMS上报程序升级失败的通知。
具体地，通信网关对程序升级过程中出现的错误进行修正时，可以采用报文重发的方式。
其中，上述预定的次数阈值可以在具体实现时根据系统性能和/或实现需求等自行设定，本实施例对此不作限定，举例来说，上述预定的次数阈值可以为5。
本实施例的再一种实现方式中，上述待升级节点的类型可以包括BMS中的电池管理单元、IMM和/或CSU；上述待升级文件中包括预先设定的BMS的阈值和/或参数；这时，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级可以为：对上述待升级文件进行解析，获得上述待升级文件中包括的BMS的阈值和/或参数；当检测到BMS的当前运行状态允许进行升级，例如当检测到BMS处于静置状态时，将上述BMS的阈值和/或参数发送给BMS中对应的待升级节点。
下面对远程更新BMS的阈值和/或参数的过程进行具体说明。
1、由于电芯老化会引起的电芯老化曲线、电芯OCV曲线以及充放电表与功率表的变化；因此，客户端可以将修正后的参数填写至既定格式文件内的指定位置。
2、由于工况及客户需求不同，为减少调试与维护的人力投入，储能系统的阈值设定需要能进行在线修改；所有储能系统在出厂时的参数设定均为默认值，当储能系统在现场安装完毕之后，客户端可以根据储能系统的运行工况、客户需求及设备性能设定合适的系统阈值与参数，需要设定 的阈值可以包括：电芯单体过/欠压告警阈值、绝缘告警阈值和单体/PACK的欠/过温阈值等。在具体实现时，客户端可以将设置好的阈值与参数填写至既定格式文件内的指定位置。
3、如图2所示，可能存在储能系统Y电容的变化而导致绝缘检测阻值跳变或过低的问题，因此可以通过远程修改IMM板在进行绝缘检测时切换开关的延时时间，来判断当前绝缘采样异常是否是Y电容变化引起的。具体的判断方法为：当加大开关延时时间后(例如原本设置延时时间为1秒，修改为2秒)，绝缘不再跳变，则表明Y电容变化影响了绝缘检测，可以远程不断调整延时参数来达到一个合适的时间；当加大开关延时时间后，绝缘值仍处于较低的绝缘值，表示系统本身绝缘值就低，与Y电容变化无关。在具体实现时，客户端同样可以将调整后的延时时间填写至既定格式文件内的指定位置。
4、如图3所示，针对CSU中分流电阻shunt，已知shunt会随着使用时间与温度而变化阻值，同时shunt制造商会提供阻值随时间的变化表；但由于CSU无法计时，因此客户端可以根据使用年限将修正后的shunt阻值填写至既定格式文件内的指定位置。
5、将以上情况之一或组合中生成的既定格式文件，作为待升级文件，对上述待升级文件进行加密后发送至服务器；服务器将上述待升级文件发送给通知EMS，然后EMS将上述待升级文件发送给BMS中的通信网关，BMS中的通信网关对上述待升级文件进行解密，校验与存储；当检测到BMS处于静置的状态时，通信网关按照既定通信方式将上述待升级文件中包括的BMS的阈值和/或参数发送给BMS中对应的待升级节点。
其中，通信网关所采用的既定通信方式可以为统一的诊断服务(Unified Diagnostic Services；以下简称：UDS)，但不局限于UDS，也可以采用其他的通信方式，本实施例对此不作限定。
另外，本实施例中，待升级节点的阈值与参数更新对照表可以如表1所示。
表1
节点类型 文件内对应的数据地址分配 数据字段大小
MBMU 0～255 256字节
SBMU 256～511 256字节
IMM 512～543 32字节
CSC 544～575 32字节
CSU 575～606 32字节
上述储能系统的远程升级方法中，BMS中的通信网关接收EMS发送的待升级文件，检测上述待升级文件中待升级节点的类型，根据上述待升级节点的类型，利用上述待升级文件对上述待升级节点进行程序升级。由于EMS发送的待升级文件是EMS获得的，当上述储能系统的当前运行状态允许进行程序升级时，EMS通过PCS控制储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收到BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS，从而可以实现对储能系统进行远程程序升级，简化了储能系统的升级操作，节省了人力和时间成本，并且升级和通信可以使用同一线路，进一步节省了硬件成本。
另外，在本申请实施例中，参见图1所示的储能系统的通信架构，客户端也可以定期从服务器下载储能系统的运行数据，分析储能系统运行状况，这样，客户端就可以建设在远离储能系统的城镇，实现储能系统运行状态的远程实时监控。
图6为本申请能量管理系统一个实施例的结构示意图，上述EMS设置在储能系统中，如图6所示，上述EMS包括接收器61、发送器62、存储器63、处理器64及存储在上述存储器63上并可在上述处理器64上运行的计算机程序；
处理器64，用于执行上述计算机程序，获得储能系统的待升级文件；当上述储能系统的当前运行状态允许进行程序升级时，通过上述储能系统中的储能变流器控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态；
其中，处理器64用于获得储能系统的待升级文件可以为：处理器64， 具体用于接收服务器发送的储能系统的待升级文件，上述储能系统的待升级文件是服务器在接收到客户端上传的待升级文件之后发送的，上述客户端上传的待升级文件是客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到上述服务器的；或者，处理器64，具体用于定时或周期性向服务器查询上述服务器中的待升级文件的版本，如果检测到上述服务器中的待升级文件的版本是更新后的版本，则从上述服务器获取更新后的待升级文件；或者，从与上述EMS连接的存储器中获取上述储能系统的待升级文件。
也就是说，一种实现方式中，参见图1所示的储能系统的通信架构，客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的文件通过网络上传至服务器，然后服务器检测到客户端上传的待升级文件之后，通知EMS有升级需求，并将上述待升级文件发送给EMS。
另一种实现方式中，处理器64可以定时或周期性向服务器查询上述服务器中的待升级文件的版本，如果检测到上述服务器中的待升级文件的版本是更新后的版本，则从上述服务器获取更新后的待升级文件。
另外，再一种实现方式中，处理器64也可以从与上述EMS连接的存储器中获取上述储能系统的待升级文件；具体来说，可以将上述储能系统的待升级文件存储在存储器中，然后将上述存储器与EMS连接，这样，处理器64就可以从上述连接的存储器中获取上述储能系统的待升级文件。其中，上述存储器可以为U盘或移动硬盘等具有存储功能的设备，本实施例对上述存储器的形式不作限定。
接收器61，用于接收BMS发送的上述储能系统高压下电已完成的通知；
发送器62，用于将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级。
具体地，BMS对上述储能系统的高压下电状态进行检测，当检测到上述储能系统高压下电已完成之后，向EMS发送上述储能系统高压下电已完成的通知。接收器61在接收到BMS发送的上述储能系统高压下电已完成的通知之后，发送器62可以按照既定的通信协议将上述待升级文件发 送给BMS，以便BMS根据上述待升级文件进行程序升级。
在一种实现方式中，处理器64，还用于检测上述待升级文件中待升级节点的类型；从上述待升级文件中获取与上述待升级节点的类型对应的升级数据；这时，发送器62，具体用于将与上述待升级节点的类型对应的升级数据发送给BMS中的通信网关，以便上述通信网关将与上述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对上述对应的待升级节点的程序升级。
也就是说，处理器64获取待升级文件之后，可以对上述待升级文件进行解析，检测上述待升级文件中待升级节点的类型，然后对上述待升级文件进行拆分，从上述待升级文件中获取与上述待升级节点的类型对应的升级数据，最后发送器62将获取的升级数据发送给BMS中的通信网关，由通信网关将上述升级数据发送给对应的待升级节点，完成对上述对应的待升级节点的程序升级。
上述EMS中，处理器64在获得储能系统的待升级文件之后，当上述储能系统的当前运行状态允许进行程序升级时，处理器64通过上述PCS控制上述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收器61接收到上述BMS发送的上述储能系统高压下电已完成的通知之后，发送器64将上述待升级文件发送给BMS，以便BMS根据上述待升级文件进行程序升级，从而可以实现对储能系统进行远程程序升级，简化了储能系统的升级操作，节省了人力和时间成本，并且升级和通信可以使用同一线路，进一步节省了硬件成本。
图7为本申请电池管理系统一个实施例的结构示意图，本实施例提供的BMS设置在储能系统中，如图7所示，上述BMS包括通信网关71；
通信网关71，用于接收EMS发送的待升级文件，上述待升级文件是EMS获得的，当上述储能系统的当前运行状态允许进行程序升级时，EMS通过PCS控制所述储能系统下高压，并通过BMS检测上述储能系统的高压在线状态，在接收到BMS发送的上述储能系统高压下电已完成的通知之后，将上述待升级文件发送给BMS；以及检测上述待升级文件中待升级节点的类型，根据上述待升级节点的类型，利用上述待升级文件对上述待 升级节点进行程序升级。
具体地，在通信网关71接收到EMS发送的待升级文件之后，通信网关71可以对接收到的待升级文件进行以下操作之一或组合：解密、解压缩、校验和存储。
其中，校验可以包括完整性校验，当然本实施例并不仅限于此，校验还可以包括其他类型的校验，例如：合法性校验，本实施例对此不作限定。
在对接收到的待升级文件进行上述操作之后，通信网关71可以对上述待升级文件中待升级节点的类型进行检测。
本实施例中，上述待升级文件中会指示待升级节点的类型，待升级节点的类型不同，所采用的升级方式也不同。
在一种具体实现方式中，通信网关71，具体用于当上述待升级节点的类型为上述通信网关时，在上述通信网关的非易失存储器中设置更新标志位；在检测到上述待升级文件中包括的对上述通信网关的升级请求之后，将上述待升级文件中的升级数据复制到上述通信网关的指定区域，例如上述通信网关中的应用(Application；以下简称：APP)运行区；在上述升级数据复制完毕之后，对上述指定区域中的升级数据进行校验；在上述指定区域中的升级数据通过校验之后，在上述通信网关的指定区域中运行上述升级数据，以完成上述通信网关的程序升级。
具体地，通信网关71对上述待升级文件中待升级节点的类型进行检测之后，如果待升级节点的类型即为通信网关自身，则上述通信网关71可以在NVM中设置更新标志位，然后启动程序升级过程(即跳转至boot)；boot检测到当前有升级请求，则按照既定的文件格式将存储在通信网关的备份区的升级数据复制至上述通信网关的指定区域，例如APP运行区；当上述升级数据复制完毕之后，boot对指定区域的数据进行校验，在上述升级数据通过校验之后，置位APP有效，在上述通信网关71的指定区域中运行上述升级数据，以完成上述通信网关的程序升级。
另一种实现方式中，上述BMS还包括：电池管理单元72和/或IMM73；其中，BMS中的电池管理单元可以包括：SBMU721和MBMU722，这时，通信网关71，还用于向电池管理单元72和/或IMM73 发送程序升级通知；在上述电池管理单元72和/或IMM73的程序升级过程启动之后，从上述待升级文件中获取升级数据，并将上述升级数据发送给电池管理单元72和/或IMM73；
电池管理单元72和/或IMM73，用于对上述升级数据进行校验，并在上述升级数据通过校验之后，将上述升级数据放入电池管理单元72和/或IMM73中的指定区域，以完成电池管理单元72和/或IMM73的程序升级。
具体地，如果通信网关71检测到待升级节点的类型为SBMU721/MBMU722/IMM73，则首先，通信网关71通知SBMU721/MBMU722/IMM73要进行程序升级，SBMU721/MBMU722/IMM73通过跳转运行boot程序，启动程序升级过程；其次，通信网关71可以按照既定升级策略与通信格式，直接将从待升级文件中获取的升级数据发送给SBMU721/MBMU722/IMM73，SBMU721/MBMU722/IMM73的boot程序对接收到的升级数据进行校验，在上述升级数据通过校验之后，将上述升级数据放入指定区域，以完成SBMU721/MBMU722/IMM73的程序升级。
再一种实现方式中，上述BMS还可以包括：CSC74和/或CSU75；这时，通信网关71，还用于向CSC74和/或CSU75发送程序升级通知；在上述CSC74和/或CSU75的程序升级过程启动之后，从上述待升级文件中获取升级数据，并将上述升级数据通过电池管理单元72发送给CSC74和/或CSU75；
CSC74和/或CSU75，用于对上述升级数据进行校验，并在上述升级数据通过校验之后，将上述升级数据放入CSC74和/或CSU75中的指定区域，以完成CSC74和/或CSU75的程序升级。
具体地，如果通信网关71检测到待升级节点的类型为CSC74/CSU75，则首先，通信网关71通知CSC74/CSU75要进行程序升级，CSC74/CSU75通过跳转运行boot程序，启动程序升级过程；其次，通信网关71按照既定升级策略与通信格式将从上述待升级文件中获取的升级数据发送给SBMU721，SBMU721将升级数据转发给CSC74/CSU75，CSC74/CSU75的boot程序对接收到的升级数据进行校验，在上述升级数据通过校验之后， 将上述升级数据放入CSC74/CSU75中的指定区域，以完成CSC74/CSU75的程序升级。
进一步地，在对SBMU721、MBMU722、IMM73、CSC74和/或CSU75的程序升级过程中，通信网关71，还用于在上述程序升级过程中出现错误时，根据上述错误的错误类型来进行修正；如果上述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，停止上述程序升级过程，并向EMS上报程序升级失败的通知。
具体地，通信网关71对程序升级过程中出现的错误进行修正时，可以采用报文重发的方式。
其中，上述预定的次数阈值可以在具体实现时根据系统性能和/或实现需求等自行设定，本实施例对此不作限定，举例来说，上述预定的次数阈值可以为5。
本实施例的再一种实现方式中，上述待升级节点的类型可以包括BMS中的电池管理单元72、IMM73和/或CSU75；上述待升级文件中包括预先设定的BMS的阈值和/或参数；这时，通信网关71，具体用于对上述待升级文件进行解析，获得上述待升级文件中包括的BMS的阈值和/或参数；当检测到上述BMS的当前运行状态允许进行升级时，将上述BMS的阈值和/或参数发送给上述BMS中对应的待升级节点。
其中，对BMS的阈值和/或参数进行远程更新的具体过程请参见本申请图5所示实施例中的相关描述，在此不再赘述。
在具体实现时，本实施例中的通信网关71可以采用本申请图9所示实施例中提供的通信网关。
图8为本申请储能系统一个实施例的结构示意图，如图8所示，上述储能系统可以包括：PCS81、EMS82和BMS83。EMS82与PCS81连接，PCS81与BMS83连接；EMS82与BMS83连接。
其中，EMS82可以采用本申请图6所示实施例中提供的EMS，BMS83可以采用本申请图7所示实施例中提供的BMS。
图9为本申请通信网关一个实施例的结构示意图，上述通信网关设置 在BMS中，如图9所示，上述通信网关可以包括接收器91、存储器92、处理器93及存储在上述存储器92上并可在处理器93上运行的计算机程序，上述处理器93执行上述计算机程序时，可以实现本申请图5所示实施例提供的储能系统的远程升级方法。
本申请实施例还提供一种储能系统的远程升级系统，包括：客户端、服务器和本申请图8所示实施例提供的储能系统，在具体实现时，上述储能系统的远程升级系统可以采用图1所示的架构，在此不再赘述。
本申请实施例还提供一种非临时性计算机可读存储介质，其上存储有计算机程序，上述计算机程序被处理器执行时可以实现本申请图4或图5所示实施例提供的储能系统的远程升级方法。
上述非临时性计算机可读存储介质可以采用一个或多个计算机可读的介质的任意组合。计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质例如可以是但不限于电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机存取存储器(RAM)、只读存储器(Read Only Memory；以下简称：ROM)、可擦式可编程只读存储器(Erasable Programmable Read Only Memory；以下简称：EPROM)或闪存、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本文件中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。
计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。
计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括 但不限于无线、电线、光缆、射频(Radio Frequency；以下简称：RF)等等，或者上述的任意合适的组合。
可以以一种或多种程序设计语言或其组合来编写用于执行本申请操作的计算机程序代码，所述程序设计语言包括面向对象的程序设计语言，诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言，诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络，包括局域网(Local Area Network；以下简称：LAN)或广域网(Wide Area Network；以下简称：WAN)连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现定制逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本申请的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基 本同时的方式或按相反的顺序，来执行功能，这应被本申请的实施例所属技术领域的技术人员所理解。
取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”或“响应于检测”。类似地，取决于语境，短语“如果确定”或“如果检测(陈述的条件或事件)”可以被解释成为“当确定时”或“响应于确定”或“当检测(陈述的条件或事件)时”或“响应于检测(陈述的条件或事件)”。
需要说明的是，本申请实施例中所涉及的终端可以包括但不限于个人计算机(Personal Computer；以下简称：PC)、个人数字助理(Personal Digital Assistant；以下简称：PDA)、无线手持设备、平板电脑(Tablet Computer)、手机、MP3播放器、MP4播放器等。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如，多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元，可以存储在一个计算机可读取存储介质中。上述软件功能单元存储在一个存储介质中，包括若干指令用以使得一台计算机装置(可以是个人计算机，服务器，或者网络装置等)或处理器(Processor)执行本申请各个实施例所述方法的部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory；以下简称：ROM)、随机存取存储器(Random Access Memory；以下简称：RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。

Claims (23)

  1. 一种储能系统的远程升级方法，应用于储能系统，所述储能系统包括能量管理系统、电池管理系统和储能变流器，所述储能系统的远程升级方法包括：
    获得储能系统的待升级文件；
    当所述储能系统的当前运行状态允许进行程序升级时，通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态；
    接收所述电池管理系统发送的所述储能系统高压下电已完成的通知；
    将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级。
  2. 根据权利要求1所述的方法，其中，所述获得储能系统的待升级文件包括：
    接收服务器发送的储能系统的待升级文件，所述储能系统的待升级文件是所述服务器在接收到客户端上传的待升级文件之后发送的，所述客户端上传的待升级文件是所述客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到所述服务器的；或者，
    定时或周期性向所述服务器查询所述服务器中的待升级文件的版本，如果检测到所述服务器中的待升级文件的版本是更新后的版本，则从所述服务器获取更新后的待升级文件；或者，
    从与所述能量管理系统连接的存储器中获取所述储能系统的待升级文件。
  3. 根据权利要求1或2所述的方法，其中，所述将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级包括：
    检测所述待升级文件中待升级节点的类型；
    从所述待升级文件中获取与所述待升级节点的类型对应的升级数据；
    将与所述待升级节点的类型对应的升级数据发送给所述电池管理系统 中的通信网关，以便所述通信网关将与所述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对所述对应的待升级节点的程序升级。
  4. 一种储能系统的远程升级方法，应用于储能系统，所述储能系统包括能量管理系统、电池管理系统和储能变流器，所述储能系统的远程升级方法包括：
    所述电池管理系统中的通信网关接收所述能量管理系统发送的待升级文件，所述待升级文件是所述能量管理系统获得的，当所述储能系统的当前运行状态允许进行程序升级时，所述能量管理系统通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态，在接收到所述电池管理系统发送的所述储能系统高压下电已完成的通知之后，将所述待升级文件发送给所述电池管理系统；
    检测所述待升级文件中待升级节点的类型；
    根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级。
  5. 根据权利要求4所述的方法，其中，所述待升级节点的类型包括所述通信网关；
    所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：
    在所述通信网关的非易失存储器中设置更新标志位；
    在检测到所述待升级文件中包括的对所述通信网关的升级请求之后，将所述待升级文件中的升级数据复制到所述通信网关的指定区域；
    在所述升级数据复制完毕之后，对所述指定区域中的升级数据进行校验；
    在所述指定区域中的升级数据通过校验之后，在所述通信网关的指定区域中运行所述升级数据，以完成所述通信网关的程序升级。
  6. 根据权利要求4所述的方法，其中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元和/或绝缘检测模块；
    所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：
    向所述电池管理单元和/或绝缘检测模块发送程序升级通知；
    在所述电池管理单元和/或绝缘检测模块的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据发送给所述电池管理单元和/或绝缘检测模块，以使所述电池管理单元和/或绝缘检测模块对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池管理单元和/或所述绝缘检测模块中的指定区域，以完成所述电池管理单元和/或所述绝缘检测模块的程序升级。
  7. 根据权利要求4所述的方法，其中，所述待升级节点的类型包括所述电池管理系统中的电池监控单元和/或电流采样单元；
    所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：
    向所述电池监控单元和/或电流采样单元发送程序升级通知；
    在所述电池监控单元和/或电流采样单元的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据通过电池管理单元发送给所述电池监控单元和/或电流采样单元，以使所述电池监控单元和/或电流采样单元对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池监控单元和/或所述电流采样单元中的指定区域，以完成所述电池监控单元和/或所述电流采样单元的程序升级。
  8. 根据权利要求6或7所述的方法，其中，还包括：
    如果在所述程序升级过程中出现错误，所述通信网关则根据所述错误的错误类型来进行修正；
    如果所述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，停止所述程序升级过程，并向所述能量管理系统上报程序升级失败的通知。
  9. 根据权利要求4所述的方法，其中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元、绝缘检测模块和/或电流采样单元；所述待升级文件中包括预先设定的电池管理系统的阈值和/或参数；
    所述根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级包括：
    对所述待升级文件进行解析，获得所述待升级文件中包括的所述电池管理系统的阈值和/或参数；
    当检测到所述电池管理系统的当前运行状态允许进行升级时，将所述电池管理系统的阈值和/或参数发送给所述电池管理系统中对应的待升级节点。
  10. 一种能量管理系统，设置在储能系统中，所述能量管理系统包括接收器、发送器、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序；
    所述处理器，用于执行所述计算机程序，获得储能系统的待升级文件；当所述储能系统的当前运行状态允许进行程序升级时，通过所述储能系统中的储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态；
    所述接收器，用于接收所述电池管理系统发送的所述储能系统高压下电已完成的通知；
    所述发送器，用于将所述待升级文件发送给所述电池管理系统，以便所述电池管理系统根据所述待升级文件进行程序升级。
  11. 根据权利要求10所述的能量管理系统，其中，所述处理器用于获得储能系统的待升级文件包括：
    所述处理器，具体用于通过所述接收器接收服务器发送的储能系统的待升级文件，所述储能系统的待升级文件是所述服务器在接收到客户端上传的待升级文件之后发送的，所述客户端上传的待升级文件是所述客户端对储能系统的待升级文件进行格式调整和/或数据加密后，将加密后的待升级文件上传到所述服务器的；或者，
    所述处理器，具体用于定时或周期性向所述服务器查询所述服务器中的待升级文件的版本，如果检测到所述服务器中的待升级文件的版本是更新后的版本，则从所述服务器获取更新后的待升级文件；或者，从与所述能量管理系统连接的存储器中获取所述储能系统的待升级文件。
  12. 根据权利要求10或11所述的能量管理系统，其中，
    所述处理器，还用于检测所述待升级文件中待升级节点的类型，以及 从所述待升级文件中获取与所述待升级节点的类型对应的升级数据；
    所述发送器，具体用于将与所述待升级节点的类型对应的升级数据发送给所述电池管理系统中的通信网关，以便所述通信网关将与所述待升级节点的类型对应的升级数据发送给对应的待升级节点，完成对所述对应的待升级节点的程序升级。
  13. 一种电池管理系统，设置在储能系统中，所述电池管理系统包括通信网关；
    所述通信网关，用于接收所述能量管理系统发送的待升级文件，所述待升级文件是所述能量管理系统获得的，当所述储能系统的当前运行状态允许进行程序升级时，所述能量管理系统通过所述储能变流器控制所述储能系统下高压，并通过所述电池管理系统检测所述储能系统的高压在线状态，在接收到所述电池管理系统发送的所述储能系统高压下电已完成的通知之后，将所述待升级文件发送给所述电池管理系统；以及检测所述待升级文件中待升级节点的类型，根据所述待升级节点的类型，利用所述待升级文件对所述待升级节点进行程序升级。
  14. 根据权利要求13所述的电池管理系统，其中，
    所述通信网关，具体用于当所述待升级节点的类型为所述通信网关时，在所述通信网关的非易失存储器中设置更新标志位；在检测到所述待升级文件中包括的对所述通信网关的升级请求之后，将所述待升级文件中的升级数据复制到所述通信网关的指定区域；在所述升级数据复制完毕之后，对所述指定区域中的升级数据进行校验；以及在所述指定区域中的升级数据通过校验之后，在所述通信网关的指定区域中运行所述升级数据，以完成所述通信网关的程序升级。
  15. 根据权利要求13所述的电池管理系统，还包括：电池管理单元和/或绝缘检测模块；
    所述通信网关，还用于向所述电池管理单元和/或绝缘检测模块发送程序升级通知；在所述电池管理单元和/或绝缘检测模块的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据发送给所述电池管理单元和/或绝缘检测模块；
    所述电池管理单元和/或绝缘检测模块，用于对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池管理单元和/或所述绝缘检测模块中的指定区域，以完成所述电池管理单元和/或所述绝缘检测模块的程序升级。
  16. 根据权利要求13所述的电池管理系统，还包括：电池监控单元和/或电流采样单元；
    所述通信网关，还用于向所述电池监控单元和/或电流采样单元发送程序升级通知；在所述电池监控单元和/或电流采样单元的程序升级过程启动之后，从所述待升级文件中获取升级数据，并将所述升级数据通过电池管理单元发送给所述电池监控单元和/或电流采样单元；
    所述电池监控单元和/或电流采样单元，用于对所述升级数据进行校验，并在所述升级数据通过校验之后，将所述升级数据放入所述电池监控单元和/或所述电流采样单元中的指定区域，以完成所述电池监控单元和/或所述电流采样单元的程序升级。
  17. 根据权利要求15或16所述的电池管理系统，其中，
    所述通信网关，还用于在所述程序升级过程中出现错误时，根据所述错误的错误类型来进行修正；如果所述错误无法被修正，则重启进行新一轮的程序升级，同一升级数据的累计重启次数超过预定的次数阈值后，停止所述程序升级过程，并向所述能量管理系统上报程序升级失败的通知。
  18. 根据权利要求13所述的电池管理系统，其中，所述待升级节点的类型包括所述电池管理系统中的电池管理单元、绝缘检测模块和/或电流采样单元；所述待升级文件中包括预先设定的电池管理系统的阈值和/或参数；
    所述通信网关，具体用于对所述待升级文件进行解析，获得所述待升级文件中包括的所述电池管理系统的阈值和/或参数；当检测到所述电池管理系统的当前运行状态允许进行升级时，将所述电池管理系统的阈值和/或参数发送给所述电池管理系统中对应的待升级节点。
  19. 一种储能系统，包括：储能变流器、如权利要求10-12任意一项所述的能量管理系统和如权利要求13-18任意一项所述的电池管理系统； 所述能量管理系统与所述储能变流器连接，所述储能变流器与所述电池管理系统连接，所述能量管理系统与所述电池管理系统连接。
  20. 一种通信网关，设置在电池管理系统中，所述通信网关包括接收器、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时，实现如权利要求4-9中任一所述的方法。
  21. 一种储能系统的远程升级系统，包括：客户端、服务器和如权利要求19所述的储能系统。
  22. 一种非临时性计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1-3中任一所述的方法。
  23. 一种非临时性计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求4-9中任一所述的方法。
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