WO2019105463A1 - 电动工具系统及数据处理方法 - Google Patents

电动工具系统及数据处理方法 Download PDF

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Publication number
WO2019105463A1
WO2019105463A1 PCT/CN2018/118589 CN2018118589W WO2019105463A1 WO 2019105463 A1 WO2019105463 A1 WO 2019105463A1 CN 2018118589 W CN2018118589 W CN 2018118589W WO 2019105463 A1 WO2019105463 A1 WO 2019105463A1
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WIPO (PCT)
Prior art keywords
data
matching
power tool
upgrade
serial number
Prior art date
Application number
PCT/CN2018/118589
Other languages
English (en)
French (fr)
Inventor
杨德中
胡钊
王东玥
王洋
胡云峰
Original Assignee
南京德朔实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京德朔实业有限公司 filed Critical 南京德朔实业有限公司
Priority to CN201880003941.7A priority Critical patent/CN110249566A/zh
Publication of WO2019105463A1 publication Critical patent/WO2019105463A1/zh
Priority to US16/850,905 priority patent/US11126424B2/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
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/006—Control or measuring arrangements
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/006—Control or measuring arrangements
    • A01D34/008—Control or measuring arrangements for automated or remotely controlled operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F8/00—Arrangements for software engineering
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • 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
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • 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
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure relates to a power tool system, and more particularly to a power tool system having a wireless transmission function.
  • an object of the present disclosure is to provide a power tool system having a wireless transmission function and a data processing method for the system.
  • a power tool system comprising: a power tool; a battery pack detachably connected to the power tool to supply power to the power tool; a cloud server capable of wirelessly communicating with the power tool; the power tool comprising: a wireless communication unit configured to be external The device establishes a wireless communication link; the file storage unit is coupled to the wireless communication unit, and configured to store the content data in a preset data structure; wherein the preset data structure includes: a packet header for information transmission; a tail package, including a school
  • the location of the data packet includes the data length, data type, packet sequence number, data content, and electronic serial number.
  • the content data type includes real-time data, statistical data, historical data, or control data.
  • the content data includes one or a combination of battery pack data, power tool data, control data, or upgrade package data.
  • the cloud server includes: a cloud processor configured to receive content data and perform data deduplication processing on the content data; and a cloud storage configured to receive and store the content data that is reprocessed by the cloud processor in a preset data structure .
  • the cloud processor is configured to perform deduplication processing on the content data in the following manner: determining a data type of the content data; and if the data type of the content data is statistical data or historical data, the content data is based on the data repeatability matching rule Perform de-rescreening and de-reprocessing; the data repeatability matching rule includes matching order of multiple matching elements and matching elements.
  • the matching element includes an electronic serial number, a data serial number or a start time; the matching order of the matching elements is: first traversing the electronic serial number, and then traversing the data serial number or the starting time.
  • the data repeatability matching rule automatically merges the related content data according to the preset data structure after deleting the repeating matching element.
  • the power tool further includes: a processor configured to perform deduplication processing on the content data in the following manner: determining a data type of the content data; and if the data type of the content data is statistical data or historical data, according to data repeatability
  • the matching rule de-duplicates the content data and performs de-duplication processing; the data repeatability matching rule includes matching order of multiple matching elements and matching elements.
  • the matching element includes an electronic serial number, a data serial number or a start time; the matching order of the matching elements is: first traversing the electronic serial number, and then traversing the data serial number or the starting time.
  • the data repeatability matching rule automatically merges related data after deleting the repeating matching element.
  • the method further includes: a terminal, wirelessly connected to the power tool and capable of remotely operating the power tool.
  • a data processing method for processing content data provided by a recording or communication medium comprising the steps of: storing content data in a preset data structure; the preset data structure comprises: a packet header for information transmission; , including check digits; data packet body, including data length, data type, packet serial number, data content and electronic serial number, content data types including real-time data, statistical data, historical data or control data.
  • the data processing method further includes the following steps: determining a data type of the content data; if the data type of the content data is statistical data or historical data, performing deduplication screening and deduplication processing on the content data according to the data repeatability matching rule
  • the content data repeatability matching rule includes a matching order of a plurality of matching elements and matching elements.
  • the matching element includes an electronic serial number, a data serial number or a start time; the matching order of the matching elements is: first traversing the electronic serial number, and then traversing the data serial number or the starting time.
  • the content data repeatability matching rule automatically merges the related data according to the preset data structure after deleting the repeating matching element.
  • the data processing method is used in a power tool system or a portable power source system.
  • the present invention is advantageous in that it provides a simple and efficient method for deduplicating data to release memory space of a memory and improve data transmission efficiency.
  • FIG. 1 is a schematic structural view of a power tool system as an embodiment
  • Figure 2 is a structural view of the lawn mower of Figure 1;
  • FIG. 3 is a block diagram showing the internal structure of the lawn mower of Figure 1;
  • Figure 4 is a structural diagram of the wireless communication unit of Figure 3;
  • Figure 5 is a flow chart of a software upgrade method for a lawn mower system as an embodiment
  • Figure 6 is an internal structural diagram of a boot loader as one of the embodiments.
  • FIG. 7 is a flow chart of a software upgrading method for a mowing module for a lawn mower as one of the embodiments;
  • Figure 8 is a flowchart showing an upgrade of each module of the lawn mower as one of the embodiments.
  • FIG. 9 is a flow chart of a method for upgrading a battery pack in a lawn mower system as one of the embodiments;
  • Figure 10 is a flow chart showing an upgrade method for a battery pack in a lawn mower system as one of the embodiments
  • Figure 11 is a data structure diagram as one of the embodiments.
  • Figure 12 is a flow chart showing a data processing method of the lawn mower system as one of the embodiments.
  • Figure 13 shows a storage structure for storing data
  • Figure 14 shows another package storage structure for storing data
  • Figure 15 is a block diagram of a portable power supply system as an embodiment
  • Figure 16 is a structural diagram of the portable power source of Figure 15.
  • the power tool system includes a cloud server 200, a power tool, and a terminal 300.
  • the cloud server 200 is configured to store at least an upgrade file.
  • the cloud server 200 also has server functions such as transceiving files, receiving and delivering commands, computing, data processing analysis, and network transmission.
  • the cloud server 200 communicates with an external device wirelessly. Wireless communication is implemented between the cloud server 200 and an external device by using WiFi, ZigBee, NB-lOT, and the like. In some embodiments, wireless communication is implemented between the cloud server 200 and an external device using WiFi.
  • the developer or service provider writes the new upgrade file to the cloud server 200 for storage.
  • a lawn mower 100 will be described as an example of a power tool embodiment. It is obvious that the power tool can also be, for example, a snow blower, a pruning machine, a table saw, etc., and the disclosure is not limited herein.
  • the lawn mower 100 includes a blade, a motor, a chassis 112, a wheel set 113, and a cabinet assembly.
  • the blade is used for mowing and the motor drives the blade to rotate.
  • the chassis 112 serves as the main part of the lawn mower and assembles the parts together.
  • the wheel set 113 is used to support the chassis 112 and is rotatable relative to the chassis 112 such that the mower moves relative to the ground.
  • the chassis 112 is formed with a cutting chamber that rotates within the drive download cutting chamber of the motor.
  • the housing assembly at least partially covers the chassis 112.
  • the lawn mower 100 also includes a battery pack 115 that acts as a power source for the lawn mower to power the lawn mower.
  • the battery pack is detachably coupled to the lawn mower.
  • the lawn mower is a push-type lawn mower that includes a handle operating device that enables the mower to walk by operating the handle.
  • the lawn mower includes two motors. One of the motors is used to drive the rotation of the blade to achieve the cutting function; the other motor is used to drive the wheel set 113 to enable the mower to self-walk.
  • the lawn mower 100 further includes a power supply module 120, an information collection module 130, a mowing module 140, a self-propelling module 150, and an Internet of Things module 160.
  • the power supply module 120 is configured to convert the electrical energy provided by the battery pack into electrical energy suitable for each module of the lawn mower to power the modules of the lawn mower.
  • the power supply module 120 includes a lawn mower interface 121, a power conversion circuit 122, and a power supply bus interface 123.
  • the mower interface 121 is used for accessing the battery pack and is electrically connected to the battery pack interface.
  • the power conversion circuit 122 is configured to convert the accessed battery pack power into powers having different voltages for each module to respectively supply power to the modules, and the power conversion circuit 122 is electrically connected to the lawn mower interface 121.
  • the information collection module 130 is configured to collect data related to the lawn mower, such as mowing motor current, mowing motor voltage, mowing motor speed, self-propelled motor current, self-propelled motor voltage, self-propelled motor speed, and the like.
  • the information collection module 130 includes an information collection unit 131, an information processing unit 132, and an information storage unit 133.
  • the information collection unit 131 includes a current sensor for collecting the mowing motor current, a voltage sensor for collecting the mowing motor voltage, or other circuit or device capable of achieving voltage or current acquisition.
  • the information processing unit 132 is electrically connected to the information collection unit 131 for performing calculation, processing, and the like on the data collected by the information collection unit 131.
  • the information storage unit 133 is used to store data related to the lawn mower, including but not limited to the type of the lawn mower, the lawn mower history data, the current collected by the information collection unit 131, voltage data, and the like.
  • the information storage unit 133 is configured to store data related to the lawn mower in accordance with a preset data structure.
  • the preset data structure includes a header for information transfer, a trailer for security check, and a packet body.
  • the data packet body includes a data length, a data type, a packet sequence number, a data content, and an electronic serial number.
  • the data types include real-time data, statistical data, or historical data related to the lawn mower. Putting the same type of data into a data structure group saves data space waste caused by repetition of headers and trailers, thereby saving data storage space.
  • the mowing module 140 includes a mowing motor driving unit 141, a mowing storage unit 142, a mowing bus interface 143, and a mowing control unit 144.
  • the mowing motor driving unit 141 is connected to the mowing motor 111a for driving the mowing motor to rotate and driving the blade to cut.
  • the mowing control unit 144 is for outputting a control signal to the mowing motor driving unit 141 to enable the mowing motor driving unit 141 to drive the mowing motor at a preset frequency.
  • the mowing storage unit 142 is used to store data related to the mower cutting function, such as historical data of the mowing machine, statistical data, and related applications.
  • the mowing unit 142 is used to store data related to the mower cutting function.
  • the mowing storage unit 142 is configured to store data related to the mower cutting in accordance with the data structure shown in FIG. I will not repeat them here.
  • the self-propelled module 150 includes a self-propelled motor drive unit 151, a self-propelled storage unit 152, a self-propelled bus interface 153, and a self-propelled control unit 154.
  • the self-propelled motor driving unit 151 is connected to the self-propelled motor for driving the self-propelled motor to rotate and driving the wheel set 113 to rotate to realize the self-propelled movement of the lawn mower.
  • the self-propelled control unit 154 is configured to output a self-propelled control signal to the self-propelled motor driving unit 151 to cause the self-propelled motor driving unit 151 to drive the self-propelled motor to rotate to realize the self-propelled mower.
  • the self-propelled storage unit 152 is used to store data related to the mower self-propelled, such as lawn mower position coordinates, built-in lawn cutting map, self-propelled motor speed, and the like.
  • the self-propelled storage unit 152 is configured to store data relating to the mower self-propelled in accordance with the data structure illustrated in FIG. I will not repeat them here.
  • the Internet of Things module 160 includes a wireless communication unit 161, a file storage unit 162, an Internet of Things bus interface 163, an Internet of Things verification unit 164, a distribution network unit 165, and an object processing unit 166.
  • the wireless communication unit 161 is for wirelessly communicating with the cloud server and the terminal. Specifically, the wireless communication unit 161 receives an instruction from the terminal and/or a file sent by the cloud server.
  • the instructions from the terminal include, but are not limited to, an acknowledgement upgrade command from the terminal, and obtain battery pack power information such as remaining battery power, battery pack remaining usage time, lawn mower self-propelled track, and the like.
  • the files delivered by the cloud server include, but are not limited to, upgrade files for upgrading modules in the lawn mower, applications, upgrade files for battery pack upgrades, or various data packages.
  • wireless communication unit 161 includes Bluetooth 166 and WiFi 167.
  • a wireless connection is established between the lawn mower and the cloud server via WiFi, and a wireless connection is established between the lawn mower and the terminal by using Bluetooth.
  • the WiFi signal is poor, the communication between the terminal and the lawn mower is established by means of Bluetooth, thereby improving the user experience and reducing the power loss of the lawn mower.
  • the Internet of Things bus interface 163 is used to establish a communication connection with each internal module in the lawn mower to realize the transmission of data, files and instructions. Specifically, the Internet of Things bus interface 163 establishes a communication connection with each internal module in the lawn mower in a bus manner.
  • the IoT bus interface 163, the power bus interface 123, the mowing bus interface 143, and the self-propelled bus interface 153 are all mounted on the bus to implement information exchange and data transfer between the modules through the bus 101.
  • the IoT module 160 and each module establish information scheduling through the bus, and each module simultaneously shares the upgrade file sent by the IoT module 160 through the bus, and the IoT module 160 can simultaneously receive the bus allocation request sent by each module, thereby effectively ensuring Each module sends data in time to avoid delays, which improves the overall transmission efficiency of the system and the real-time effect of data transmission.
  • the wireless communication unit 161 receives the upgrade command from the terminal and delivers the received upgrade command to the mowing module 140 to upgrade the mowing module 140. In some embodiments, the wireless communication unit 161 receives the upgrade command from the terminal and delivers the received upgrade command to the self-propelled module 150 to upgrade the self-propelled module 150. In other embodiments, the wireless communication unit 161 receives the upgrade command from the terminal and delivers the received upgrade command to one or more of the mowing module 140, the acquisition module, and the information collection module 130.
  • the file storage unit 162 is configured to store the upgrade file sent by the cloud server, and send the upgrade file to the corresponding modules in the lawn mower to obtain the corresponding module after receiving the upgrade instruction for confirming the upgrade. Upgrade according to the upgrade file.
  • the IoT module 160 after receiving the upgrade instruction for determining the upgrade, causes the file storage module to first store the upgrade file delivered by the cloud server, and then delivers the upgrade file to the cut after the download of the upgrade file is completed.
  • the Internet of Things module 160 includes an Internet of Things processor, and the IoT processor is configured to receive an upgrade instruction from the terminal or issue an upgrade instruction to the mowing module 140 and/or the self-propelled module 150.
  • the mower and the cloud server communicate by wireless means, for example, WiFi
  • the method of downloading and downloading the upgrade file to the file storage unit 162 and then calling the upgrade file in the file storage unit 162 to upgrade the corresponding modules is avoided.
  • the problem that the mower may cause an upgrade failure when the network is unstable.
  • the complete upgrade package of the upgrade file is stored in the file storage module, and the corresponding module of the mower can be updated and upgraded even after the mower is disconnected from the network.
  • the Internet of Things verification unit 164 is configured to perform identity verification on the received data. For example, whether the data baud rate matches, whether the upgrade packet is complete, and so on.
  • the distribution unit 165 is configured to establish a network connection between the lawn mower and the cloud server and the terminal respectively.
  • the wireless communication unit 161 includes Bluetooth and WiFi
  • the distribution unit 165 is configured to selectively cause the lawn mower 210 to connect to the terminal in a wireless manner in Bluetooth or WiFi.
  • the Bluetooth mode is preferred, that is, the lawn mower and the terminal are connected by Bluetooth. This has the advantage of reducing power consumption of the mower and the terminal, resulting in faster response and improved user experience.
  • the distribution unit 165 is configured to detect whether both Bluetooth and WiFi are in an active state, and activate Bluetooth when both Bluetooth and WiFi are in an active state. After the Bluetooth is activated, the terminal sends an access authentication request to the terminal to authenticate the terminal; after receiving the access authentication request of the Bluetooth unit, the terminal responds to the access authentication request by using a preset authentication method; the Bluetooth receiving terminal The authentication response of the access is performed to authenticate the terminal. If the matching is successful, the Bluetooth unit activates the access permission of the terminal to establish a Bluetooth connection between the lawn mower and the terminal to implement data transmission and communication.
  • the software upgrade method of the lawn mower system mainly includes the following steps:
  • the upgrade file is an upgrade file that upgrades one of the mowing module 140, the information collection module 130, or the self-propelled module 150.
  • the upgrade file is an upgrade file that upgrades any or all of the mowing module 140, the information collection module 130, or the self-propelled module 150.
  • the upgrade file is an upgrade file that upgrades the battery pack.
  • the upgrade file includes an upgrade package that upgrades each module in the mower or an upgrade package that upgrades the battery pack.
  • the upgrade file includes file version information and file verification information of the upgrade object information (such as one or more of the product type, model number, and code).
  • the cloud server sends a new upgrade file to the lawn mower storage.
  • the new upgrade file is sent to the lawn mower in a wireless transmission mode, for example, wireless transmission modes such as wifi, NB-IOT, and LoRa.
  • the new upgrade file is stored in the mower. Specifically, the new upgrade file is stored in the Internet of Things module 160. More specifically, the Internet of Things module 160 is provided with a flash memory for storing new upgrade files, and new upgrade files are stored in the flash memory.
  • step S503 Determine whether the new upgrade file is downloaded, if yes, execute step S504, otherwise end.
  • the mower sends an upgrade command to the terminal 300 after the download of the new upgrade file is completed.
  • the upgrade instruction is sent to the terminal by using the Internet of Things module 160 in a wireless communication manner.
  • the Internet of Things module 160240 includes a WiFi unit and a Bluetooth unit, and data transmission between the lawn mower and the terminal via Bluetooth, that is, the lawn mower sends an upgrade command to the terminal 300 via Bluetooth. This has the advantage of reducing the power consumption of the mower.
  • the terminal is a mobile device, a mobile phone, and the like, and includes a display device that can be operated by a user. After receiving the upgrade command transmitted by the lawn mower, the terminal displays the graphical display on the display device for the user to select whether the upgrade is required. If the user confirms the upgrade, the process goes to step S505, otherwise ends.
  • the mower wirelessly receives the confirmation upgrade command from the terminal.
  • the IoT module 160 responds to the confirmation upgrade command, calls the new upgrade file stored in the file storage unit 162, and delivers the new upgrade file to the corresponding module to be upgraded to complete the upgrade.
  • Another software upgrade method for a lawn mower system mainly includes the following steps:
  • the cloud server sends a new upgrade file to the lawn mower storage.
  • step S514 Determine whether the new upgrade file is downloaded, if yes, execute step S515, otherwise end.
  • the difference from the above software upgrade method is that the terminal first confirms whether to upgrade. If the upgrade is required, the cloud server sends a new upgrade file to the lawn mower storage.
  • the above upgrade method stores the new upgrade file in the Internet of Things module 160 and then upgrades, so that even when the network signal is unstable, as long as the upgrade file has been stored in the Internet of Things module 160, the upgrade can be completed. Compared with the upgrade mode upgraded while downloading, the data efficiency is avoided while the upgrade efficiency is improved, and the storage space of the Internet of Things module 160 is released.
  • the bootloader is a microcontroller's operation of its own part of the flash memory to implement an application update to implement a software update or upgrade.
  • the communication communication interface can be used to communicate with each module inside the lawn mower, so that each module calls the boot loader to update the application, thereby realizing the update and upgrade of the mower firmware.
  • Each module here includes an Internet of Things module 160 inside the lawn mower, an acquisition module, a self-propelled module 150, and the like.
  • each module includes a programmable MCU and flash memory, and the boot loader is stored in flash memory.
  • the boot loader includes a boot loader area 601 and a user program area 602.
  • the bootloader area receives external data and instructions by communication, verifies information about the user program area (for example, whether the file is complete, version information, etc.), and updates the application stored in the user program area.
  • the user program area is used to store the application, the application code.
  • the flash memory allocates storage space to the boot loader area and the application area, respectively, depending on the actual situation. As shown in FIG. 6, the flash allocates two storage spaces SA0 and SA1 to the boot loader area, and allocates an SA2 storage area to the application area. Other information related to the mower system 10 can also be stored in the flash memory to the SA3 area.
  • the bootloader has a read/write function that reads data information stored in flash memory, writes data information to memory, overwrites all applications stored in flash memory, and writes to new programs.
  • the boot loader 601 performs reading, writing, and/or erasing by calling commands of some predetermined functions.
  • the read command "R” can be read out of the data information in the flash memory 600, and any one of the memory segments or all of the memory segments that can be erased by the erase command "E" is called.
  • the write command "W” is called to write data to any memory segment or all memory segments.
  • the boot loader 601 stores an executable program in the flash memory 600 of the MCU, and is capable of reading data in the flash memory 600 or writing data to the flash memory.
  • the original application can be replaced with the new application by writing the new application 602 to the application area by the boot loader 601.
  • the boot loader 601 and the application are both stored in the flash memory 600 of the MCU, if the address of the program called by the MCU is incorrect, the MCU may execute the boot loader 601 by mistake. In order to solve this problem, in actual operation, it can be solved by introducing an upgrade key, and the program update and upgrade are performed when the upgrade key is matched.
  • the battery pack and the lawn mower 210 can be software updated and upgraded by the boot loader.
  • the mower is taken as an example to illustrate the method of the program loader and program upgrade of the mower by the boot loader.
  • the various modules in the lawn mower and the Internet of Things module 160 establish a communication connection through the bus, and the Internet of Things module 160 can selectively perform file upgrade and software update on any one or more modules mounted on the bus by using a bus scheduling manner.
  • the mowing module 140 is taken as an example to describe the upgrade process of the mowing module 140 for the IoT module 160 .
  • the method for file upgrade of the mowing module 140 in the lawn mower includes the following steps:
  • the Internet of Things module 160 sends an upgrade command to the mowing module 140.
  • the mowing module 140 receives the upgrade instruction, and determines whether it is an upgrade to the mowing module 140; if yes, sends an upgrade response (including the mowing module 140 identity information) to the Internet of Things module 160; if not, the mowing module 140 enters the standby state.
  • the Internet of Things module 160 determines whether the identity information in the upgrade response matches; if so, sends the secret key to the mowing module 140.
  • the mowing module 140 receives the key and determines whether the key matches. If the matching, the mowing module 140 enters an upgrade state, and sends a confirmation upgrade instruction to the Internet of Things module 160; otherwise, the process ends.
  • the Internet of Things module 160 After receiving the confirmation upgrade instruction, the Internet of Things module 160 delivers an upgrade file (that is, an upgrade data package) to the mowing module 140.
  • the mowing module 140 receives the upgrade data packet until the upgrade data packet is delivered.
  • step S706 further includes the following sub-steps:
  • step S761 Detect whether the upgrade data packet includes an end flag; if not, the mowing module 140 performs step S762; if yes, step S707 is performed.
  • the upgrade request includes the node identity information indicating the mowing module 140, and the IoT module 160 can read the upgrade file corresponding to the node identity information scheduling.
  • mowing module 140 is taken as an example here.
  • Other modules in the lawn mower such as the self-propelled module 150 and the information acquisition module 130, can be upgraded in the same manner.
  • the IoT module 160 can also issue multiple upgrade data packets to each module through the bus, so that each module completes its own file upgrade.
  • the modules in the mower work together to ensure the safety of the mower.
  • Each module in the mower is set to perform the following operations: when any one of the modules enters the upgrade state, all other modules enter standby mode.
  • the Internet of Things module 160 issues an upgrade command to each module via the bus.
  • each module is configured to perform the following operations:
  • step S820 Each determines whether the module needs to be upgraded, and if yes, step S830 is performed; otherwise, the standby state is continued;
  • step S840 Determine whether all the upgrade instructions are completed, and if yes, go to step S850; otherwise, return to step S820;
  • the IoT module 160 sends an upgrade command to each module through the bus.
  • the upgrade command includes the target address, identifier, upgrade file version number, upgrade data package, and the like of the module to be upgraded.
  • the Internet of Things module 160 includes an IoT processor configured to deliver upgrade instructions to the modules in a predetermined order, and each module is upgraded in a preset order.
  • the battery pack is connected to the lawn mower, the lawn mower is powered on, and an electrical connection and a communication connection are established between the battery pack and the lawn mower. Specifically, a communication connection is established between the battery pack communication terminal and the mower communication terminal to transmit information.
  • the mower system can upgrade the battery pack without the need to add an additional IoT module 160 to the battery pack.
  • a method for upgrading a battery pack in a lawn mower system includes the following steps:
  • step S910 Determine whether the battery pack and the lawn mower establish a communication connection, if yes, execute step S920, otherwise end.
  • the battery pack is coupled to the lawn mower, and the lawn mower determines whether the battery pack and the lawn mower establish a communication connection. For example, by detecting the change in the electrical signal between the battery pack and the mower as a basis for determining whether or not to establish a communication connection.
  • the battery pack uploads its own battery pack firmware information to the lawn mower via the battery pack communication terminal and the mower communication terminal.
  • the battery package firmware information includes the model number, rated voltage, historical version model, battery pack life, and power of the battery pack.
  • the mower receives the battery pack firmware information and uploads the battery pack firmware information to the cloud server.
  • the lawn mower receives the battery package firmware information and uploads it to the cloud server wirelessly through the Internet of Things module 160.
  • the battery package firmware information is uploaded to the Internet of Things module 160 via the bus and uploaded directly to the cloud server via the Internet of Things module 160 in a wireless format. This has the advantage of eliminating the need to store battery pack firmware information in the lawn mower, saving the mower's memory space.
  • step S940 Determine whether the battery pack needs to be upgraded. If yes, go to step S950, otherwise go to step S960.
  • the cloud server determines whether the battery pack needs to be upgraded. For example, if a new battery pack upgrade file is written to the cloud server, the new battery pack upgrade file version number and the uploaded battery pack file version number are compared; if the version numbers are the same, the upgrade is not required; if the version numbers are inconsistent, it indicates The battery pack needs to be upgraded.
  • step S950 The cloud server sends the upgrade information to the terminal, and the user confirms whether to upgrade, if yes, step S970 is performed, otherwise step S960 is performed.
  • the cloud server wirelessly sends the upgrade command to be upgraded to the terminal for the user to select whether to upgrade.
  • the battery package information is stored in the cloud server so that the user can retrieve the required information through the terminal, so that the user can select the battery pack usage status, for example, directly display the called battery pack information on the terminal.
  • the cloud server responds to the upgrade command and delivers the new battery pack upgrade file to the lawn mower.
  • the new battery pack upgrade file is sent to the lawn mower in a wireless manner and stored in the Internet of Things module 160.
  • a method for upgrading a battery pack in a lawn mower system includes the following steps:
  • the cloud server stores a new battery pack upgrade file, and issues a new battery pack upgrade file to the lawn mower.
  • the lawn mower receives the new battery pack upgrade file and stores it in the Internet of Things module 160.
  • the new battery pack upgrade file is stored in the file storage unit 162.
  • a step of checking whether the new battery pack upgrade file is successfully downloaded may be added.
  • the battery pack upgrade file includes an end identifier, and if the end identifier can be detected, the download is successful. Otherwise the upgrade operation will not be performed.
  • the new upgrade file package stored in the Internet of Things module 160 is sent to the power supply module 120 via the bus, and then transmitted to the battery pack via the lawn mower communication terminal and the battery pack communication terminal.
  • the battery pack receives a new battery pack upgrade file, updates the original battery pack upgrade file, and finally completes the battery pack upgrade.
  • the terminal has an interactive interface that can be operated by the user, and the user realizes remote control of the lawn mower by operating the corresponding display icon.
  • the user operates the terminal to implement remote operations such as on, off, time switch, and lock of the lawn mower.
  • the user selects a corresponding operator interface to invoke information related to the lawn mower for the user to understand.
  • the terminal communicates with the lawn mower wirelessly to display various information of the lawn mower, such as the output power of the lawn mower, the total remaining charging time, and the self-propelled track.
  • the cloud server includes a cloud storage unit and a cloud processing unit.
  • the cloud processing unit is configured to receive data uploaded by the lawn mower and perform data deduplication processing on the data uploaded by the lawn mower.
  • a cloud storage unit configured to receive and store battery packet data that is reprocessed by the cloud processor.
  • the data storage structure includes a header, a body, and a trailer for information transfer.
  • the package includes start time, data length, data type, data content, electronic serial number, package serial number, and end time.
  • the mower switch is once used as a data record, and the start time is the time corresponding to the mower being turned on, and the end time is the time corresponding to turning off the mower.
  • Data types include historical data, real-time data, statistical data, or control data.
  • each data type corresponds to a code that matches one-to-one, for example, code X001 represents statistical data, code X002 represents historical data, and code X003 represents real-time data.
  • the electronic serial number which is the device ID, is used to indicate the corresponding device. That is, each device has a unique electronic serial number for easy identification.
  • the end of the package includes check digits and so on.
  • the mower will have data records every time the switch is operated, and the same data is repeatedly written into the memory, which will cause a large amount of redundant data to be stored in the memory and occupy the memory space of the memory.
  • historical data related to the battery pack is repeatedly written into the cloud storage. Therefore, a simple and efficient method for data deduplication is needed to free the memory space of the memory and improve the data transmission efficiency.
  • the cloud processor performs data deduplication on data related to the mower self-propelling in the following manner:
  • step S02. Determine the data type of the data related to the mower self-propelled, if the data type is statistical data or historical data, proceed to step S03; otherwise, perform step S201;
  • the data repeatability matching rule includes a plurality of matching elements and a matching order of each matching element.
  • the matching element includes an electronic serial number, a data packet serial number, a start time, or an end time.
  • the matching sequence is to traverse the electronic serial number first, then traverse the data packet serial number, delete the data packet with the same electronic serial number and the data packet serial number, and automatically merge the relevant data according to the preset data structure.
  • the matching order is to traverse the electronic serial number first, then traverse the start time and end time. After deleting the data packet with the same electronic serial number, start time and end time, the related data is automatically merged according to the preset data structure.
  • the data of the time period of the start time t1 and the end time t2 is affected by the switch machine each time, and is continuously written into the cloud server in the manner of FIG.
  • the cloud processor de-duplexes the data according to the flow shown in FIG. 12, and finally deletes the duplicate matching elements and writes them to the cloud storage according to the data structure shown in FIG. In this way, the number of bytes is reduced, and the memory space of the memory is released.
  • the deduplication method can also be used for data stored in other storage units, which is not limited in this disclosure.
  • the data related to the battery pack stored in the battery pack when the battery pack is connected to the lawn mower and the mechanical and electrical connection is established, the data related to the battery pack stored in the battery pack is transmitted to the IoT module of the lawn mower via the bus. 160, and then uploaded by the Internet of Things module 160 to the cloud server storage. In this way, it is not necessary to additionally add the Internet of Things module 160 to the battery pack, and the user can also quickly obtain the data information of the battery pack by calling the battery pack data stored in the cloud server through the terminal.
  • the portable power system 400 includes a battery pack 410, an adapter 420, a cloud server 430, and a terminal 440.
  • the cloud server 430 has server functions such as transceiving files, receiving and delivering commands, computing, data processing analysis, and network transmission.
  • Wireless communication is implemented between the cloud server 430 and an external device by using WiFi, ZigBee, NB-IOT, and the like.
  • the cloud server 430 includes a cloud storage and a cloud processor, and the cloud server 430 establishes a wireless communication link with the adapter 420 and the terminal 440, respectively.
  • the data processing method described above is also applicable to the cloud server 430, and details are not described herein again.
  • Battery pack 410 is selectively accessible to adapter 420 to provide power to adapter 420.
  • the battery pack 410 can also be coupled to a power tool to power the power tool.
  • the adapter 420 can access a plurality of battery packs and is used to convert the electrical energy of the battery pack into an alternating current output.
  • the adapter 420 includes an alternating current output interface 421 for outputting alternating current to power the powered device.
  • the adapter 420 includes an IoT module for wireless connection and transmission, an inverter module for converting battery pack power into alternating current, and a battery pack coordination module for controlling charging and discharging of each battery pack, and corresponding memory and processing. Device.
  • IoT module for wireless connection and transmission
  • an inverter module for converting battery pack power into alternating current
  • a battery pack coordination module for controlling charging and discharging of each battery pack, and corresponding memory and processing.
  • the above data processing method and upgrade method for the lawn mower system are also applicable to data storage and deduplication in the adapter 420, and details are not described herein again.
  • the present disclosure provides a power tool and a data processing method, which can provide a simple and efficient method for deduplicating data to release memory space of the memory and improve data transmission efficiency.

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Abstract

一种电动工具系统，电动工具系统包括：电动工具；电池包（115），与电动工具可拆卸式连接以为电动工具供电；云服务器（200），能与电动工具互相无线通信；电动工具包括：无线通信单元（161），被配置为与外部设备建立无线通信链路；文件存储单元（162），耦合于无线通信单元（161），并被配置为以预设数据结构存储内容数据；其中，预设数据结构包括：包头，用于信息传递；包尾，包括校验位；数据包体，包括数据长度、数据类型、包序号、数据内容和电子序列号，内容数据类型包括实时数据、统计数据、历史数据或控制数据。还提供一种简单高效的对数据去重的方法以释放存储器的内存空间，提高数据传输效率。

Description

电动工具系统及数据处理方法 技术领域
本公开涉及电动工具系统，具体涉及一种具有无线传输功能的电动工具系统。
背景技术
随着网络技术的发展以及移动通讯设备的智能化普及，物与物之间通过通讯协议构成数据连接与共享，正逐渐改变人们的生活。
在电动工具领域，电动工具与移动终端、电动工具与电动工具之间如果能建立数据传递，则能够对提高电动工具的使用效率、为用户提供个性化的控制程序以及排出故障和安全隐患等方便具有重要的意义。
发明内容
为解决现有技术的不足，本公开的目的在于提供一种具有无线传输功能的电动工具系统和用于该系统的数据处理方法。
为了实现上述目标，本公开采用如下的技术方案：
一种电动工具系统，包括：电动工具；电池包，与电动工具可拆卸式连接以为电动工具供电；云服务器，能与电动工具互相无线通信；电动工具包括：无线通信单元，被配置为与外部设备建立无线通信链路；文件存储单元，耦合于无线通信单元，并被配置为以预设数据结构存储内容数据；其中，预设数据结构包括：包头，用于信息传递；包尾，包括校验位；数据包体，包括数据长度、数据类型、包序号、数据内容和电子序列号，内容数据类型包括实时数据、统计数据、历史数据或控制数据。
进一步，内容数据包括电池包数据、电动工具数据、控制数据或升级包数据中的一种或其组合。
进一步，云服务器包括：云处理器，被配置为接收内容数据并对内容数据进行数据去重处理；云存储器，被配置为接收并以预设数据结构存储经云处理 器去重处理的内容数据。
进一步，云处理器被配置为按下述方式对内容数据进行去重处理：判断内容数据的数据类型；若内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对内容数据进行去重筛查并进行去重处理；数据重复性匹配规则包括多个匹配元素及匹配元素的匹配顺序。
进一步，匹配元素包括电子序列号、数据序号或起始时间；匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
进一步，数据重复性匹配规则为删除重复性匹配元素后依据预设数据结构自动合并相关内容数据。
进一步，电动工具还包括：处理器，被配置为按下述方式对内容数据进行去重处理：判断内容数据的数据类型；若内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对内容数据进行去重筛查并进行去重处理；数据重复性匹配规则包括多个匹配元素及匹配元素的匹配顺序。
进一步，匹配元素包括电子序列号、数据序号或起始时间；匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
进一步，数据重复性匹配规则为删除重复性匹配元素后自动合并相关数据。
进一步，还包括：终端，与电动工具无线连接并能远程操作电动工具。
一种数据处理方法，用于处理通过记录或通信介质提供的内容数据，数据处理方法包括如下步骤：以预设数据结构存储内容数据；预设数据结构包括：包头，用于信息传递；包尾，包括校验位；数据包体，包括数据长度、数据类型、包序号、数据内容和电子序列号，内容数据类型包括实时数据、统计数据、历史数据或控制数据。
进一步，数据处理方法还包括以下步骤：判断内容数据的数据类型；若内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对内容数据进行去重筛查并进行去重处理；其中，内容数据重复性匹配规则包括多个匹配元素及匹配元素的匹配顺序。
进一步，匹配元素包括电子序列号、数据序号或起始时间；匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
进一步，内容数据重复性匹配规则为删除重复性匹配元素后依据预设数据结构自动合并相关数据。
进一步，数据处理方法用于电动工具系统或便携式电源系统。
本公开的有益之处在于提供一种简单高效的对数据去重的方法以释放存储器的内存空间，提高数据传输效率。
附图说明
图1是作为一种实施例的电动工具系统的结构示意图；
图2是图1中割草机的结构图；
图3是图1中割草机的内部结构框图；
图4是图3中无线通信单元的结构图；
图5是作为一种实施例的用于割草机系统的软件升级方法的流程图；
图6是作为实施例之一的引导加载程序的内部结构图；
图7是作为实施例之一的用于割草机的割草模块的软件升级方法的流程图；
图8是作为实施例之一的割草机的各模块的升级流程图；
图9是作为实施例之一的割草机系统中用于电池包的升级方法流程图；
图10是作为实施例之一的割草机系统中用于电池包的升级方法流程图；
图11是作为实施例之一的数据结构图；
图12是作为实施例之一的割草机系统的数据处理方法流程图；
图13示出了一种存储数据的存储结构；
图14示出了另一种存储数据的包体存储结构；
图15是作为一种实施例的便携式电源系统的结构图；
图16是图15中便携式电源的结构图。
具体实施方式
以下结合附图和具体实施例对本公开作具体的介绍。
参考图1和图2，电动工具系统包括：云服务器200、电动工具和终端300。
云服务器200，至少用于存储升级文件。云服务器200还具有收发文件、接收和下发指令、计算、数据处理分析及网络传输等服务器功能。云服务器200通过无线方式与外部设备进行通信。云服务器200与外部设备之间采用WiFi、ZigBee、NB-lOT等方式实现无线通信。在一些实施例中，云服务器200与外部设备之间采用WiFi实现无线通信。开发者或服务商将新的升级文件写入云服务器200中存储。
参考图1所示，作为电动工具实施例的一种，以割草机100为例进行说明。显然电动工具也可是诸如扫雪机、修枝机、台锯等，本公开在此不做限制。
割草机100包括刀片、电机、底盘112、轮组113和机壳组件。刀片用于割草，电机驱动刀片转动。底盘112作为割草机的主要部分，将各部分组装在一起。轮组113用于支撑底盘112，并能相对底盘112转动，使得割草机相对于地面发生移动。底盘112形成有切割腔，刀片在电机的驱动下载切割腔内转动。机壳组件至少部分覆盖底盘112。
割草机100还包括电池包115，电池包作为割草机的动力来源以为割草机供电。在一些实施例中，电池包与割草机可拆卸式连接。
在一些实施例中，割草机为手推式割草机，包括把手操作装置，通过用户操作把手实现割草机的行走。在另一些实施中，割草机包括两个电机。其中一个电机用于驱动刀片的转动以实现切割功能；另一个电机用于驱动轮组113以使割草机实现自行走。
参考图2所示，割草机100还包括供电模块120、信息采集模块130、割草模块140、自走模块150和物联网模块160
供电模块120用于将电池包提供的电能转化为适用于割草机各模块的电能以为割草机各模块供电。供电模块120包括割草机接口121、供电转化电路122和供电总线接口123。割草机接口121用于接入电池包，与电池包接口电性连接。供电转化电路122用于将接入的电池包电能转化为适用于各模块的具有不同电压的电能以分别为各模块供电，供电转化电路122与割草机接口121电性连接。
信息采集模块130用于采集与割草机有关的数据信息，例如割草电机电流、 割草电机电压、割草电机转速、自走电机电流、自走电机电压、自走电机转速等。具体的，信息采集模块130包括信息采集单元131、信息处理单元132和信息存储单元133。在一些具体实施例中，信息采集单元131包括用于采集割草电机电流的电流传感器，用于采集割草电机电压的电压传感器或其它能够实现电压或电流采集的电路或装置。信息处理单元132与信息采集单元131电性连接，用于对信息采集单元131采集的数据进行计算、加工等处理。
信息存储单元133用于存储与割草机有关的数据，包括但不限于割草机的型号、割草机历史数据、信息采集单元131采集的电流、电压数据等。
在一些实施例中，信息存储单元133被配置为按照预设的数据结构存储与割草机有关的数据信息。
参考图11所示，预设数据结构包括用于信息传递的包头、用于安全校验的包尾以及数据包体。其中，数据包体包括数据长度、数据类型、包序号、数据内容和电子序列号。进一步，数据类型包括与割草机相关的实时数据、统计数据或历史数据。即将同一类型的数据放入一个数据结构组中，节省了因包头、包尾等重复而带来的数据空间浪费，从而节省了数据存储空间。
割草模块140包括割草电机驱动单元141、割草存储单元142、割草总线接口143和割草控制单元144。其中，割草电机驱动单元141与割草电机111a连接，用于驱动割草电机转动进而带动刀片切割。割草控制单元144用于输出控制信号至割草电机驱动单元141以使割草电机驱动单元141能以预设的频率驱动割草电机。
割草存储单元142用于存储与割草机切割功能相关的数据，例如割草电机的历史数据、统计数据，以及相关的应用程序等。
在一些实施例中，割草存储单元142用于存储与割草机切割功能相关的数据。割草存储单元142被配置为按图11所示的数据结构存储与割草机切割有关的数据。在此不再赘述。
自走模块150包括自走电机驱动单元151、自走存储单元152、自走总线接口153和自走控制单元154。其中，自走电机驱动单元151与自走电机连接，用于驱动自走电机转动进而带动轮组113转动以实现割草机的自行走。自走控制单元154用于输出自走控制信号至自走电机驱动单元151以使自走电机驱动单 元151驱动自走电机转动进而实现割草机的自行走。
自走存储单元152用于存储与割草机自走有关的数据，例如割草机位置坐标、内置的割草地图、自走电机转速等。自走存储单元152被配置为按图11所示的数据结构存储与割草机自走有关的数据。在此不再赘述。
物联网模块160包括无线通信单元161、文件存储单元162、物联网总线接口163、物联网校验单元164、配网单元165和物联处理单元166。无线通信单元161用于以无线方式与云服务器和终端进行通信。具体的，无线通信单元161接收来自终端的指令和/或云服务器下发的文件。其中，来自终端的指令包括但不限于来自终端的确认升级指令，获取电池包电量信息如电池包剩余电量、电池包剩余使用时长，割草机自走轨迹等。云服务器下发的文件包括但不限于用于割草机内各模块升级的升级文件、应用程序，用于电池包升级的升级文件或各数据包等。
在一些实施例中，无线通信单元161包括蓝牙166和WiFi167。割草机与云服务器之间通过WiFi建立无线连接，割草机与终端之间利用蓝牙建立无线连接。在WiFi信号较差时通过蓝牙的方式建立终端与割草机之间的通信，提高用户体验的同时还降低了割草机的功率损耗。
物联网总线接口163用于与割草机中的各内部模块建立通信连接以实现数据、文件、指令的传输。具体的，物联网总线接口163与割草机中的各内部模块以总线方式建立通信连接。
参考图3所示，物联网总线接口163、供电总线接口123、割草总线接口143和自走总线接口153均挂载至总线上以通过总线101实现各模块之间的信息交互和数据传输。
物联网模块160与各模块之间通过总线建立信息调度，各模块通过总线同时共享物联网模块160下发的升级文件，物联网模块160可同时接收各模块发送的总线分配请求，以此有效保证了各模块及时发送数据，避免延时，提高了系统总体的传输效率和数据传输实时性的效果。
在一些实施例中，无线通信单元161接收来自终端的升级指令并将接收到的升级指令下发至割草模块140以使割草模块140升级。在一些实施例中，无线通信单元161接收来自终端的升级指令并将接收到的升级指令下发至自走模 块150以使自走模块150升级。在另一些实施例中，无线通信单元161接收来自终端的升级指令并将接收到的升级指令下发至割草模块140、采集模块和信息采集模块130中的一个或多个。
在一些实施例中，文件存储单元162用于存储云服务器下发的升级文件，在接收到确认升级的升级指令后将升级文件下发至割草机中相对应的各个模块以使相应的模块根据升级文件升级。在一些实施例中，物联网模块160在接收到确定升级的升级指令后，使文件存储模块先存储经由云服务器下发的升级文件，待升级文件下载结束后再将该升级文件下发至割草机中相对应的各个模块。具体的，物联网模块160包括物联网处理器，物联处理器用于接收来自终端的升级指令或下发升级指令至割草模块140和/或自走模块150。由于割草机和云服务器通过无线方式例如WiFi进行通信，采用先将升级文件下载存储至文件存储单元162再调用文件存储单元162中的升级文件以对对应的各个模块进行升级的方式，避免了割草机在网络不稳定时可能导致的升级失败的问题。进一步，在升级文件下载成功即升级文件的完整升级包存储在文件存储模块中后，即便割草机断网后也能对割草机相应的模块进行更新升级。
物联网校验单元164用于对接收到的数据进行身份校验。例如数据波特率是否匹配，升级数据包是否完整等。
配网单元165用于使割草机分别与云服务器和终端建立网络连接。在一些实施例中，无线通信单元161包括蓝牙和WiFi，配网单元165用于选择性地使割草机210以蓝牙或WiFi中的一种无线方式与终端连接。优选的，当配网单元165检测到同时具有蓝牙和WiFi时，优选蓝牙方式，即割草机与终端之间通过蓝牙连接。这样的好处在于可降低割草机和终端的功耗，响应速度较快，提高用户体验。
具体而言，配网单元165被配置为检测蓝牙和WiFi是否均处于有效状态，在蓝牙和WiFi均处于有效状态时，激活蓝牙。蓝牙被激活后向终端发送接入鉴权请求以对终端进行身份验证；终端接收到蓝牙单元的接入鉴权请求后，使用预先设置的鉴权方法响应该接入鉴权请求；蓝牙接收终端接入的鉴权响应，对终端进行鉴权匹配，若匹配成功则蓝牙单元开通终端的访问权限以使割草机与终端之间建立蓝牙连接，实现数据的传输与通信。
当割草机的软件出现问题或需要对已出货的产品进行程序更新或软件升级时，通常需要拆机以实现产品软件的更改，给产品研发和用户使用都带来诸多不便。为此，需要针对割草机设计一种更为方便快捷的软件升级方式。
参考图5所示，割草机系统的软件升级方法主要包括如下步骤：
S501.存储新的升级文件至云服务器。
具体的，开发者将新的升级文件写入云服务器存储。在一些实施例中，升级文件为使割草模块140、信息采集模块130或自走模块150之一升级的升级文件。在一些实施例中，升级文件为使割草模块140、信息采集模块130或自走模块150中任一组合或全部模块升级的升级文件。在一些实施例中，升级文件为使电池包升级的升级文件。显然，在一些实施例中，升级文件包括使割草机中各模块升级的升级数据包或使电池包升级的升级数据包。
升级文件包括升级对象信息(例如产品类型、型号、编码中的一项或多项)文件版本信息和文件校验信息。
S502.云服务器下发新的升级文件至割草机存储。
此步骤中，割草机与云服务器建立无线连接后，新的升级文件以无线传输方式下发至割草机中，例如，wifi、NB-IOT、LoRa等无线传输方式。
新的升级文件存储至割草机中。具体的，新的升级文件存储至物联网模块160中。更具体，物联网模块160中设有一用于存储新的升级文件的闪存，新的升级文件存储至该闪存中。
S503.判断新的升级文件是否下载完成，若是则执行步骤S504，否则结束。
S504.发送升级指令至终端300以确认是否需要升级，若是则执行步骤S505，否则结束；
在此步骤中，在新的升级文件下载完成后，割草机发送升级指令至终端300。具体的，通过物联网模块160以无线通讯方式发送升级指令至终端。在一些实施例中，物联网模块160240包括WiFi单元和蓝牙单元，割草机与终端之间通过蓝牙进行数据传输，即割草机经蓝牙方式发送升级指令至终端300。这样的好处在于可降低割草机的功耗。
终端为移动电脑、手机等可移动设备，其包括可供用户操作的显示装置。 终端接收到割草机传输的升级指令后以图形形式显示在显示装置上以供用户选择是否需要升级，若用户确认升级则转至步骤S505，否则结束。
S505.接收确认升级指令，完成升级。
在此步骤中，割草机以无线方式接收来自终端的确认升级指令。物联网模块160响应确认升级指令，调用存储在文件存储单元162的新的升级文件，将新的升级文件下发至对应的需升级的模块，完成升级。
另一种用于割草机系统的软件升级方法主要包括如下步骤：
S511.存储新的升级文件至云服务器。
S512.发送升级指令至终端300以确认是否需要升级，若是则转至步骤S513，否则结束。
S513.云服务器下发新的升级文件至割草机存储。
S514.判断新的升级文件是否下载完成，若是则执行步骤S515，否则结束。
S515.更新升级文件，完成升级。
与上述的软件升级方法的不同之处在于，先由终端确认是否升级，若需要升级则云服务器再下发新的升级文件至割草机存储。
上述升级方法将新的升级文件先存储在物联网模块160中再升级，这样即便在网络信号不稳定时，只要升级文件已存储至物联网模块160中，便能在完成升级。相较于边下载边升级的升级方式，在提高升级效率的同时还避免了数据信息冗余，释放了物联网模块160的存储空间。
以下具体说明如何在割草机中进行程序更新或升级。在割草机中采用引导加载程序(Boot Load)的方式进行程序更新或升级。
引导加载程序是微控制器对自身部分闪存的操作以实现应用程序的更新，从而实现软件更新或升级。这样，可通过预留通信接口与割草机内部的各模块进行通信，使各模块调用引导加载程序对应用程序进行更新，从而实现割草机固件的更新和升级。这里的各模块包括割草机内部的物联网模块160、采集模块、自走模块150等。在一些具体的实施例中，各模块包括可编程的MCU和闪存，引导加载程序存储在闪存中。
参考图6所示，示出了引导加载程序的结构示意图。引导加载程序包括引导加载程序区域601和用户程序区域602。引导加载程序区域通过通信方式接收外部数据和指令，校验用户程序区域的相关信息(例如，文件是否完整、版本信息等)，对用户程序区域存储的应用程序进行更新。用户程序区域用于存储应用程序，即应用程序代码。闪存依据实际情况分别给引导加载程序区域和应用程序区域分配存储空间。如图6所示，闪存给引导加载程序区域分配SA0与SA1两个存储空间，给应用程序区域分配SA2存储区域。闪存中还可以存储其他与割草机系统10有关的信息至SA3区域。
引导加载程序具有读写功能，可读取存储在闪存中的数据信息，也可将数据信息写入存储器，还可以覆盖存储在闪存中的全部应用程序，然后写入新的程序。引导加载程序601通过调用一些预定功能的命令来执行读取、写入和/或擦除。例如，调用读取命令“R”可以读出闪存600中的数据信息，调用擦除命令“E”可以擦除的任意一个存储器段或所有存储器段。调用写入命令“W”将数据写入到任意一个存储器段或所有存储器段。
引导加载程序601存储在MCU的闪存600中的可执行程序，能够读取闪存600中的数据或写入数据到闪存中的功能。当存储在闪存600中的应用程序需要更新时，就可通过将引导加载程序601将新的应用程序602写入到的应用程序区，以用新的应用程序代替原来的应用程序。
由于引导加载程序601和应用程序均存储在MCU的闪存600中，如果MCU调用的程序的地址发生错误，那么MCU就可能会错误的执行引导加载程序601。为了解决这一问题，在实际操作中，可以通过引入升级密钥来解决，升级秘钥匹配时进行程序更新升级。
在上述的割草机系统中，均可通过引导加载程序对电池包、割草机210进行软件更新和升级。
下面以割草机为例，说明引导加载程序对割草机进行程序更新和软件升级的方法。割草机中各个模块与物联网模块160之间通过总线建立通信连接，物联网模块160可采用总线调度方式选择性地对挂载在总线上的任意一个或多个模块进行文件升级和软件更新。为方便描述，参考图7所示，以割草模块140为例，对物联网模块160调度割草模块140的升级流程进行说明。
割草机中对割草模块140进行文件升级的方法包括如下步骤：
S701.物联网模块160发送升级指令至割草模块140。
S702.割草模块140接收到升级指令，判断是否是对割草模块140的升级；若是，则发送升级响应(包括割草模块140身份信息)至物联网模块160；若否，则割草模块140进入待机状态。
S703.物联网模块160判断升级响应中的身份信息是否匹配；若是则发送秘钥至割草模块140。
S704.割草模块140接收到秘钥，判断秘钥是否匹配，若匹配则割草模块140进入升级状态，并发送确认升级指令至物联网模块160；否则结束。
S705.物联网模块160接收到确认升级指令后，下发升级文件(也即升级数据包)至割草模块140。
S706.割草模块140接收升级数据包直至升级数据包下发完毕。
S707.更新原文件数据包以完成升级。
在升级过程中可能发生异常，导致其中某个模块接收到的升级文件不完整，从而影响该模块的升级。为此，可通过设置升级结束标志来解决这一问题。具体而言，升级文件，也即升级数据包中包括结束标志。作为具体实施方式的一种，步骤S706还包括以下子步骤：
S761.检测升级数据包是否包含结束标志；若无，则割草模块140执行步骤S762；若有则执行步骤S707。
S762.发送升级请求至物联网模块160，物联网模块160接收到升级请求返回步骤S701继续执行直至完成升级。
在步骤S762中，升级请求包括表明割草模块140的节点身份信息，物联网模块160可读取该节点身份信息调度对应的升级文件下发。
按此方式，进一步提高了模块升级的成功率。
显然，这里仅以割草模块140为例进行说明。割草机中的其它模块，如自走模块150、信息采集模块130等均可采用相同的方式完成升级。物联网模块160亦可经总线同时下发多个升级数据包至各模块，使各模块完成各自的文件升 级。
割草机中各模块之间互相配合协同工作，为保证割草机的使用安全，割草机中各模块被设置执行以下操作：在其中任一个模块进入升级状态时，则其它各模块均进入待机状态。
作为具体实施方式的一种，物联网模块160经总线下发升级指令至各个模块，参考图8所示，各个模块被配置为执行以下操作：
S810.接收升级指令，进入待机状态；
S820.各自判断是否需对本模块升级，若是，则执行步骤S830；否则继续保持待机状态；
S830.相应模块进入升级状态；
S840.判断是否全部升级指令完成，若是则转至步骤S850；否则返回步骤S820；
S850.各个模块恢复工作状态。
物联网模块160通过总线下发升级指令至各个模块，其升级指令包括需要升级的模块的目标地址、标识符、升级文件版本号、升级数据包等。
在一些实施例中，物联网模块160包括物联网处理器，其被配置为按预设顺序下发升级指令至各模块，各个模块按照预设的顺序分别进行升级。
电池包接入割草机，割草机上电工作，电池包和割草机之间建立电连接和通讯连接。具体的，通过电池包通讯端子和割草机通讯端子之间建立通信连接传输信息。在一些具体的实施例中，割草机系统能够对电池包进行升级而无需在电池包中额外增加物联网模块160。
参考图9所示，作为一种实施方式的割草机系统中用于电池包的升级方法，包括如下步骤：
S910.判断电池包与割草机是否建立通信连接，若是则执行步骤S920，否则结束。
此步骤中，电池包结合至割草机，割草机判断电池包与割草机是否建立通信连接。比如，通过检测电池包和割草机之间的电信号的改变作为是否建立通 信连接的判断依据。
S920.上传电池包固件信息至割草机。
此步骤中，电池包经电池包通信端子和割草机通信端子将自身的电池包固件信息上传至割草机。其中，电池包固件信息包括电池包的型号、额定电压、历史版本型号、电池包寿命、电量等信息。
S930.割草机接收电池包固件信息，上传电池包固件信息至云服务器。
此步骤中，割草机接收电池包固件信息，通过物联网模块160以无线方式上传至云服务器。在一些实施例中，电池包固件信息经总线上传至物联网模块160，通过物联网模块160直接以无线形式上传至云服务器。这样的好处在于无需将电池包固件信息存储在割草机中，节省了割草机的内存空间。
S940.判断是否需要对电池包进行升级，若是，则执行步骤S950，否则执行步骤S960。
此步骤中，云服务器判断是否需要对电池包进行升级。例如，若有新的电池包升级文件写入云服务器，则比对新的电池包升级文件版本号和上传的电池包文件版本号；若版本号一致则表明无需升级；若版本号不一致则表明需要对电池包进行升级。
S950.云服务器发送升级信息至终端，用户确认是否升级，若是则执行步骤S970，否则执行步骤S960。
此步骤中，云服务器以无线方式发送需要升级的升级指令至终端，以供用户选择是否需要升级。
S960.将电池包固件信息存储至云服务器。
此步骤中，经电池包固件信息存储至云服务器以便用户可通过终端调取需要的信息，方便用户选择了解电池包使用状况，例如将调用的电池包信息直接显示在终端上。
S970.云服务器响应确认升级指令，将新的电池包升级文件下发至割草机。
此步骤中，新的电池包升级文件以无线方式下发至割草机，并存储在物联网模块160中。
S980.下发新的电池包升级文件至电池包，完成电池包升级。
参考图10所示，作为另一种实施方式的割草机系统中用于电池包的升级方法，包括如下步骤：
S110.云服务器存储新的电池包升级文件，下发新的电池包升级文件至割草机。
S120.割草机接收新的电池包升级文件并将其存储在物联网模块160中。
具体的，新的电池包升级文件存储在文件存储单元162。在此步骤中，作为实施方式的一种，可增加检验新的电池包升级文件是否下载成功的步骤，例如，电池包升级文件中包括结束标识，若能检测到结束标识则表明下载成功。否则不执行升级操作。
S130.下发新的电池包升级文件至电池包。
具体的，此步骤中，存储在物联网模块160中的新的升级文件包经总线下发至供电模块120，再经由割草机通信端子和电池包通信端子传输至电池包中。
S140.电池包升级完成。
此步骤中，电池包接收到新的电池包升级文件，对原电池包升级文件进行版本更新，最终完成电池包升级。
终端设有可供用户操作的交互界面，用户通过操作对应的显示图标来实现对割草机的远程控制。例如，用户操作终端实现对割草机的开、关、定时开关、锁定等远程操作。例如，用户选择对应的操作界面以调用与割草机相关的信息供用户了解。
终端通过无线方式与割草机通信，可显示割草机的各种信息，例如割草机的输出功率、剩余充电总时间、自走轨迹等。
云服务器包括云存储单元和云处理单元。其中，云处理单元，被配置为接收割草机上传的数据并对割草机上传的数据进行数据去重处理。云存储单元，被配置为接收并存储经云处理器去重处理的电池包数据。
参考图11所示的一种存储结构。数据存储结构包括用于信息传递的包头、包体和包尾。
包体包括开始时间、数据长度、数据类型、数据内容、电子序列号、包序号和结束时间。其中，以割草机开关一次作为一次数据记录，开始时间为开启割草机所对应的时刻，结束时间为关断割草机所对应的时刻。
数据类型包括历史数据、实时数据、统计数据或控制数据等。作为具体实施方式的一种，各数据类型分别对应与之一一匹配的编码，例如编码X001代表统计数据，编码X002代表历史数据，编码X003代表实时数据。
电子序列号，也即设备ID，用于表示对应的设备。即每个设备具有一个唯一的电子序列号以方便识别。
包尾包括校验位等。
在实际使用中，割草机每次开关工作时都会有数据记录，存在相同的数据被反复写入存储器的情况，这将会使存储器中存储大量的冗余数据而占用存储器的内存空间。例如与电池包相关的历史数据被反复写入云存储器中。因此需要一种简单高效的对数据去重的方法以释放存储器的内存空间，提高数据传输效率。
参考图12所示，作为具体实施例的一种，云处理器采用如下方式对与割草机自走相关的数据进行数据去重处理：
S201.读取与割草机自走相关的数据；
S02.判断与割草机自走相关的数据的数据类型，若该数据类型为统计数据或历史数据，则执行步骤S03；否则执行步骤S201；
S03.依据数据重复性匹配规则对与割草机自走相关的数据进行去重筛查；
S04.删除重复性匹配元素后自动合并相关数据；
步骤S03中，数据重复性匹配规则包括多个匹配元素及各匹配元素的匹配顺序。其中，匹配元素包括电子序列号、数据包序号、开始时间或结束时间。
在一些具体实施例中，匹配顺序为先遍历电子序列号、再遍历数据包序号，删除电子序列号和数据包序号均相同的数据包后按预设数据结构自动合并相关数据。
在另一具体实施例中，匹配顺序为先遍历电子序列号、再遍历开始时间和 结束时间。删除电子序列号、开始时间和结束时间均相同的数据包后按预设数据结构自动合并相关数据。
如图13所示，起始时间为t1、结束时间为t2这一时间段的数据受割草机每次开关机的影响，会被不断地按图13的方式依次写入云服务器中。云处理器按图12所示的流程对该数据进行去重处理，最后删除重复的匹配元素按图14所示的数据结构写入云存储器。以此方式减少了字节数，释放了存储器的内存空间。
可以预见的，该去重方法亦可针对其它存储单元存储的数据，本公开对此不作限制。
例如电池包存储的与电池包相关的数据，在电池包接入割草机并建立机械和电连接时，电池包内存储的与电池包相关的数据经由总线传输至割草机的物联网模块160，再由物联网模块160上传至云服务器存储。这样无需额外在电池包中增加物联网模块160，用户也可通过终端调用存储在云服务器中的电池包数据快速获取电池包的数据信息。
参考图15和图16，便携式电源系统400包括电池包410、适配器420、云服务器430和终端440。
云服务器430具有收发文件、接收和下发指令、计算、数据处理分析及网络传输等服务器功能。云服务器430与外部设备之间采用WiFi、ZigBee、NB-IOT等方式实现无线通信。具体的，云服务器430包括云存储器和云处理器，云服务器430分别与适配器420和终端440建立无线通信链路。上述的数据处理方式同样也适用于云服务器430，在此不再赘述。
电池包410可选择性地接入适配器420以为适配器420提供电能。电池包410也可结合至电动工具以为电动工具供电。
适配器420可接入多个电池包并用于将电池包的电能转化为交流电输出。适配器420包括交流电输出接口421，用于输出交流电以为用电设备供电。适配器420包括用于无线连接和传输的物联网模块，将电池包电能转换为交流电的逆变模块以及用于控制各个电池包充放电的电池包协调模块等各个功能模块、以及相应的存储器和处理器。显然，上述的用于割草机系统的数据处理方法和升级方法同样适用于适配器420中的数据存储和去重，在此不再赘述。
显然，上述的用于割草机系统的数据处理方法和升级方法同样可适用于用于给电池包充电的充电器。
以上显示和描述了本公开的基本原理、主要特征和优点。本行业的技术人员应该了解，上述实施例不以任何形式限制本公开，凡采用等同替换或等效变换的方式所获得的技术方案，均落在本公开的保护范围内。
工业实用性
本公开提供了一种电动工具及数据处理方法，可以提供一种简单高效的对数据去重的方法以释放存储器的内存空间，提高数据传输效率。

Claims (15)

  1. 一种电动工具系统，包括：
    电动工具；
    电池包，与所述电动工具可拆卸式连接以为所述电动工具供电；
    云服务器，能与所述电动工具互相无线通信；
    所述电动工具包括：
    无线通信单元，被配置为与外部设备建立无线通信链路；
    文件存储单元，耦合于所述无线通信单元，并被配置为以预设数据结构存储内容数据；
    其中，所述预设数据结构包括：
    包头，用于信息传递；
    包尾，包括校验位；
    数据包体，包括数据长度、数据类型、包序号、数据内容和电子序列号，所述内容数据类型包括实时数据、统计数据、历史数据或控制数据。
  2. 根据权利要求1所述的电动工具系统，其特征在于，
    所述内容数据包括电池包数据、电动工具数据、控制数据或升级包数据中的一种或其组合。
  3. 根据权利要求1所述的电动工具系统，其特征在于，
    所述云服务器包括：
    云处理器，被配置为接收所述内容数据并对所述内容数据进行数据去重处理；
    云存储器，被配置为接收并以预设数据结构存储经所述云处理器去重处理的内容数据。
  4. 根据权利要求3所述的电动工具系统，其特征在于，
    所述云处理器被配置为按下述方式对所述内容数据进行去重处理：
    判断所述内容数据的数据类型；
    若所述内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对内容数据进行去重筛查并进行去重处理；
    所述数据重复性匹配规则包括多个匹配元素及所述匹配元素的匹配顺序。
  5. 根据权利要求4所述的电动工具系统，其特征在于，
    所述匹配元素包括电子序列号、数据序号或起始时间；
    所述匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
  6. 根据权利要求4所述的电动工具系统，其特征在于，
    所述数据重复性匹配规则为删除重复性匹配元素后依据预设数据结构自动合并相关内容数据。
  7. 根据权利要求1所述的电动工具系统，其特征在于，
    所述电动工具还包括：
    处理器，被配置为按下述方式对所述内容数据进行去重处理：
    判断所述内容数据的数据类型；
    若所述内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对内容数据进行去重筛查并进行去重处理；
    所述数据重复性匹配规则包括多个匹配元素及所述匹配元素的匹配顺序。
  8. 根据权利要求7所述的电动工具系统，其特征在于，
    所述匹配元素包括电子序列号、数据序号或起始时间；
    所述匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
  9. 根据权利要求7所述的电动工具系统，其特征在于，
    所述数据重复性匹配规则为删除重复性匹配元素后自动合并相关数据。
  10. 根据权利要求1所述的电动工具系统，其特征在于，
    还包括：
    终端，与所述电动工具无线连接并能远程控制或设置所述电动工具。
  11. 一种数据处理方法，用于处理通过记录或通信介质提供的内容数据，所述数据处理方法包括如下步骤：
    以预设数据结构存储所述内容数据；
    所述预设数据结构包括：
    包头，用于信息传递；
    包尾，包括校验位；
    数据包体，包括数据长度、数据类型、包序号、数据内容和电子序列号，所述内容数据类型包括实时数据、统计数据、历史数据或控制数据。
  12. 根据权利要求11所述的数据处理方法，其特征在于，
    所述数据处理方法还包括以下步骤：
    判断所述内容数据的数据类型；
    若所述内容数据的数据类型为统计数据或历史数据，则依据数据重复性匹配规则对所述内容数据进行去重筛查并进行去重处理；
    其中，所述内容数据重复性匹配规则包括多个匹配元素及所述匹配元素的匹配顺序。
  13. 根据权利要求11所述的数据处理方法，其特征在于，
    所述匹配元素包括电子序列号、数据序号或起始时间；
    所述匹配元素的匹配顺序为：先遍历电子序列号，再遍历数据序号或起始时间。
  14. 根据权利要求11所述的数据处理方法，其特征在于，
    所述内容数据重复性匹配规则为删除重复性匹配元素后依据预设数据结构自动合并相关数据。
  15. 根据权利要求11所述的数据处理方法，其特征在于，
    所述数据处理方法用于电动工具系统、便携式电源系统或充电器。
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