WO2024041004A1 - 一种电动汽车数据分类变频传输方法、装置及系统 - Google Patents

一种电动汽车数据分类变频传输方法、装置及系统 Download PDF

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Publication number
WO2024041004A1
WO2024041004A1 PCT/CN2023/089810 CN2023089810W WO2024041004A1 WO 2024041004 A1 WO2024041004 A1 WO 2024041004A1 CN 2023089810 W CN2023089810 W CN 2023089810W WO 2024041004 A1 WO2024041004 A1 WO 2024041004A1
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WIPO (PCT)
Prior art keywords
data
vehicle
transmitted
frequency
transmission
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PCT/CN2023/089810
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English (en)
French (fr)
Inventor
潘垂宇
孙焕丽
李雪
张志�
李学达
荣常如
徐亚男
奚天奇
许立超
徐海强
Original Assignee
中国第一汽车股份有限公司
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Publication of WO2024041004A1 publication Critical patent/WO2024041004A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information

Definitions

  • This application relates to the field of vehicle data transmission technology, and specifically relates to an electric vehicle data classification variable frequency transmission method, an electric vehicle data classification variable frequency transmission device, a vehicle-mounted TBOX, and an electric vehicle data classification variable frequency transmission system.
  • Tbox wireless gateway transmission module
  • the purpose of the present invention is to provide an electric vehicle data classification and frequency conversion transmission method to solve at least one of the above technical problems.
  • the electric vehicle data classification and frequency conversion transmission method includes:
  • the vehicle status field information at the current moment the vehicle status field information at the previous moment and the above
  • the data to be transmitted obtains the current transmission frequency of the data to be transmitted
  • the data to be transmitted is sent according to the obtained transmission frequency of the data to be transmitted at the current moment.
  • the data to be transmitted includes at least one of the following data:
  • Driving data basic vehicle data, and charging data.
  • the vehicle status field information includes vehicle driving status, vehicle parking status, vehicle charging status and vehicle abnormal status.
  • obtaining the transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted includes:
  • the transmission frequency when data of the same data type as the data to be transmitted was transmitted at the previous moment is used as the transmission frequency at the current moment.
  • obtaining the transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted includes:
  • the current transmission frequency of the data to be transmitted is obtained according to the vehicle status field information at the current time and the data type of the data to be transmitted.
  • obtaining the current transmission frequency of the data to be transmitted based on the vehicle status field information at the current time and the data type of the data to be transmitted includes:
  • the transmission frequency comparison table includes a preset data group and a preset frequency.
  • a preset frequency corresponds to a preset data group.
  • a preset data group includes a preset data type and a preset state. domain information;
  • obtaining the vehicle status domain information at the current moment includes:
  • the vehicle status field information at the current moment is determined based on the vehicle driving data at the current moment.
  • the electric vehicle data classification frequency conversion transmission device includes:
  • a vehicle status domain information acquisition module the vehicle status domain information acquisition module is used to acquire vehicle status domain information at the current moment and vehicle status domain information at the previous moment;
  • a data to be transmitted acquisition module the data to be transmitted acquisition module is used to acquire the data to be transmitted at the current moment;
  • a transmission frequency acquisition module is used to obtain the current transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted;
  • a sending module the sending module is configured to send the data to be transmitted according to the obtained transmission frequency of the data to be transmitted at the current moment.
  • This application also provides a vehicle-mounted TBOX, which includes the above-mentioned electric vehicle data classification frequency conversion transmission device.
  • the electric vehicle data classification frequency conversion transmission system includes:
  • Vehicle-mounted TBOX the vehicle-mounted TBOX is the vehicle-mounted TBOX as described above;
  • a vehicle-mounted controller the vehicle-mounted controller is connected to the vehicle-mounted TBOX and is used to transmit data to be transmitted for the vehicle-mounted TBOX;
  • Circulation storage unit the circulation storage unit is connected with the vehicle-mounted controller and/or the vehicle-mounted TBOX, the circulation storage unit is used to obtain data to be transmitted from the vehicle-mounted controller and/or obtain from the vehicle-mounted TBOX Data to be transferred.
  • the electric vehicle data classification variable frequency transmission method of this application determines the transmission frequency according to the vehicle status domain information and the data to be transmitted, and gives different transmission frequencies to different data to be transmitted in different vehicle states, which can greatly save data bandwidth. and traffic, and for data necessary in a certain state, the transmission frequency can be higher, and for data that is less likely to cause problems in a certain state, the transmission frequency can be relatively lower, so that in Without hindering normal data analysis in the cloud, intelligent transmission frequency adjustment can be achieved to the greatest extent, thereby saving energy.
  • Figure 1 is a schematic flow chart of an electric vehicle data classification and frequency conversion transmission method according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of an electronic device capable of implementing the electric vehicle data classification and frequency conversion transmission method according to an embodiment of the present application.
  • Figure 3 is a system schematic diagram of an electric vehicle data classification variable frequency transmission system according to an embodiment of the present application.
  • Figure 1 is a schematic flow chart of an electric vehicle data classification and frequency conversion transmission method according to an embodiment of the present application.
  • the frequency conversion transmission method for electric vehicle data classification as shown in Figure 1 includes:
  • Step 1 Obtain the vehicle status field information at the current moment and the vehicle status field information at the previous moment;
  • Step 2 Obtain the data to be transmitted at the current moment
  • Step 3 Obtain the current transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted;
  • Step 4 Send the data to be transmitted according to the acquired current transmission frequency of the data to be transmitted.
  • the electric vehicle data classification variable frequency transmission method of this application determines the transmission frequency according to the vehicle status domain information and the data to be transmitted, and gives different transmission frequencies to different data to be transmitted in different vehicle states, which can greatly save data bandwidth. and traffic, and for data necessary in a certain state, the transmission frequency can be higher, and for data that is less likely to cause problems in a certain state, the transmission frequency can be relatively lower, so that in Without hindering normal data analysis in the cloud, intelligent transmission frequency adjustment can be achieved to the greatest extent, thereby saving energy.
  • the data to be transmitted includes at least one of the following data:
  • Driving data basic vehicle data, and charging data.
  • the driving data may include vehicle speed, accelerator pedal, brake pedal and other information.
  • the basic vehicle data may include current, total voltage, battery cell voltage, gear position and other information.
  • the charging data may include charging gun connection, charging handshake and other information.
  • the vehicle status field information includes vehicle driving status, vehicle parking status, vehicle charging status, and vehicle abnormal status.
  • obtaining the transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted includes:
  • the transmission frequency when data of the same data type as the data to be transmitted was transmitted at the previous moment is used as the transmission frequency at the current moment.
  • obtaining the transmission frequency of the data to be transmitted based on the vehicle status field information at the current moment, the vehicle status field information at the previous moment, and the data to be transmitted includes:
  • the current transmission frequency of the data to be transmitted is obtained according to the vehicle status field information at the current time and the data type of the data to be transmitted.
  • the vehicle status field information based on the current moment and the data to be transmitted are Obtaining the current transmission frequency of the data to be transmitted based on the data type includes:
  • the transmission frequency comparison table includes a preset data group and a preset frequency.
  • a preset frequency corresponds to a preset data group.
  • a preset data group includes a preset data type and a preset state. domain information;
  • obtaining vehicle status domain information at the current moment includes:
  • the vehicle status field information at the current moment is determined based on the vehicle driving data at the current moment.
  • the following method is used to determine the vehicle status domain information at the current time based on the vehicle driving data at the current time:
  • the vehicle gear information is D gear (forward gear) or S gear (sport mode), the vehicle is judged to be in a driving state.
  • the charging connection information is obtained. If there is charging connection information, the vehicle is judged to be in the vehicle charging state. If there is no charging connection information, the vehicle is judged to be in the vehicle parking state.
  • the vehicle If one of the information obtained by the vehicle is abnormal information, the vehicle is in a vehicle abnormal state.
  • charging-related data is used as an example of data to be transmitted.
  • Step 1 Obtain the vehicle status field information at the current moment and the vehicle status field information at the previous moment; specifically, the driving data judgment is: based on the vehicle gear position: D or S, motor relay status, vehicle speed, accelerator pedal depth, etc.
  • the signal is used to judge whether the vehicle gear is D or S, motor relay status, vehicle speed, accelerator pedal depth and other signals. If it is judged that the vehicle is in a driving state, the frequency corresponding to each data is obtained through the transmission frequency comparison table, for example , the data to be transmitted includes vehicle speed, accelerator pedal, brake pedal and other information, current, total voltage, battery cell voltage, gear position and other information, then each information has a corresponding frequency, as shown in Table 1 below (only in Table 1 illustrative example).
  • Table 1 Transmission frequency comparison table
  • Step 2 Obtain the data to be transmitted at the current moment. Specifically, summarize and organize all the data to be transmitted.
  • Step 3 Obtain the current transmission frequency of the data to be transmitted based on the vehicle status domain information at the current time, the vehicle status domain information at the previous time, and the data to be transmitted. Specifically, determine the vehicle status domain information at the current time and Whether the vehicle status field information at the last moment is the same, if so, then
  • the transmission frequency when data of the same data type as the data to be transmitted was transmitted at the previous moment is used as the transmission frequency at the current moment.
  • the current transmission frequency of the data to be transmitted is obtained according to the vehicle status field information at the current time and the data type of the data to be transmitted.
  • the transmission frequency comparison table includes a preset data group and a preset frequency.
  • a preset frequency corresponds to a preset data group, and a preset data group includes a Preset data type and a preset status field information;
  • the vehicle status field information of the vehicle at the current moment is the vehicle driving status
  • the current data to be transmitted is speed data
  • the transmission frequency at this time is 1fps.
  • every second Transmission data frames are expressed in fps (Frames Per Second):
  • the transmission data is 1fps
  • the transmission data is 0.1fps
  • the transmission data is 0.03fps.
  • the periodic transmission frequency of the fault signal is judged based on the signal. If a level three alarm occurs, the periodic frequency will be increased.
  • the period can be referenced as follows:
  • Each status of the vehicle is improved to 10fps, and alarm signals are uploaded at the same time.
  • the transmission frequency of the data warning cycle or the cloud data judgment cycle transmission frequency is determined based on the signal, such as the fast charging stage, or the first-level minor alarm stage, the cycle is appropriately increased, the reference is as follows:
  • the transmission data is 1fps
  • the transmission data is 1fps
  • vehicles can upload data of different signal groups and different signal frequencies under different conditions, effectively reducing the pressure on data flow and bandwidth without affecting the accuracy of data analysis.
  • This system also stores high-speed data in the vehicle, which can be retrieved during accident analysis or legal determination, avoiding data loss caused by cloud data anomalies.
  • the electric vehicle data classification frequency conversion transmission device includes a vehicle status domain information acquisition module, a data to be transmitted acquisition module, a transmission frequency acquisition module, a sending module, and a vehicle status domain information acquisition module.
  • the acquisition module is used to obtain the vehicle status field information at the current moment and the vehicle status field information at the previous moment;
  • the data to be transmitted acquisition module is used to obtain the data to be transmitted at the current moment;
  • the transmission frequency acquisition module is used to obtain the vehicle status field information at the current moment information, the vehicle status field information of the previous moment and the data to be transmitted to obtain the current transmission frequency of the data to be transmitted;
  • the sending module is used to send the data to be transmitted according to the obtained current transmission frequency of the data to be transmitted.
  • This application also provides a vehicle-mounted TBOX, which includes the above-mentioned electric vehicle data classification frequency conversion transmission device.
  • the electric vehicle data classification variable frequency transmission system includes a vehicle-mounted TBOX, a vehicle-mounted controller and a cyclic storage unit.
  • the vehicle-mounted TBOX is the vehicle-mounted TBOX as described above;
  • the vehicle-mounted controller is connected to the vehicle-mounted TBOX and is used to transmit data to be transmitted for the vehicle-mounted TBOX;
  • the cyclic storage unit is connected to the vehicle-mounted controller and/or the vehicle-mounted TBOX, and the cyclic storage unit is used to transfer data from the vehicle-mounted TBOX to the vehicle-mounted TBOX. Get the number to be transmitted from the server and/or obtain data to be transmitted from the vehicle-mounted TBOX.
  • FIG. 3 is a schematic structural diagram of an electric vehicle data classification frequency conversion transmission system provided by an embodiment of the present invention.
  • the electric vehicle data classification variable frequency transmission system provided by the embodiment of the present invention includes: a vehicle controller 100, a wireless gateway 200, and a cycle storage 300.
  • 300 includes 301-hard disk/SD/MMC, 302-power battery , 303-12V external power supply interface, 304-external OBD interface, 305-circuit breaker connected to the physical interface of the collision signal, 306-physical interface externally connected to the collision signal, 307-control chip;
  • the storage unit (hard disk/SD/MMC) 301 and control chip 307 are connected to the wireless gateway 200, where the storage unit can be one or more of the hard disk/SD/MMC storage structures in the above expression, and the control chip is the entire
  • the cyclic storage module provides a chip with control functions.
  • the power supply battery 302 supplies power to the control chip 307, the circuit breaker 305, and the storage unit 301. At the same time, it is connected to the vehicle's 12V low-voltage power supply through the interface 303.
  • the OBD interface 304 is connected to the OBD interface of the vehicle.
  • the data in the storage unit can be read through the OBD interface of the vehicle.
  • the circuit breaker 305 is controlled through the collision signal physical interface. Once a vehicle collision occurs, the circuit breaker 305 disconnects the 12V power supply and the battery. 302, the entire cycle storage unit is powered by the battery 302 to ensure the integrity of the vehicle's storage signal.
  • Embodiments of the present invention provide an electric vehicle data classification frequency conversion transmission system, including: a vehicle controller module, a wireless gateway module, and a cyclic storage module.
  • the cyclic storage module includes a storage unit composed of a storage unit, a control chip, and a battery. Some sub-modules and OBD interfaces, 12V power connection interfaces, and circuit breakers connected to the physical interface of the collision signal;
  • the vehicle-mounted controller module is connected to the wireless gateway module through CAN communication, Lin communication, FlexRay communication, etc., and the wireless gateway module is connected to the circulation storage module through CAN communication, Lin communication, FlexRay communication, Ethernet and other communication methods.
  • the storage part of the cyclic storage module is controlled by the control chip to receive the data transmitted by the wireless gateway and can be exported through the OBD interface.
  • the power supply is connected to the 12V power supply by the battery module, which can ensure that the entire model is fed in a short time or the voltage is unstable. Normally store and transmit data under stable conditions.
  • the control chip and storage unit are used to receive all signals from the vehicle controller module routed from the wireless gateway module.
  • the frequency is the same as the original frequency of the controller.
  • the data is stored cyclically.
  • the storage time is determined according to the size of the storage hardware, which is generally not less than 1 month. For excess data, the header data will be deleted cyclically and then stored.
  • Embodiments of the present invention also provide an electric vehicle data classification frequency conversion transmission method, including:
  • Tbox judges all the data to be sent according to the status domain and divides it into driving, charging and parking.
  • the vehicle has three main status fields. Each main status field can contain sub-state fields. Each status field is judged to have a detailed signal data group that needs to be uploaded. When the vehicle is running, it is judged which status field the vehicle is in based on the preset signal conditions, and then Upload data to the cloud according to the status field information.
  • each status field can also set the upload frequency based on the control signal conditions.
  • the frequency is divided into three frequencies: vehicle normal, encryption analysis, and vehicle alarm.
  • Tbox's frequency setting and status domain signal division can be converted remotely through OTA upgrade.
  • the data to be transmitted may not be exactly the same in different vehicle status domains.
  • the following data may be mainly transmitted: vehicle speed, accelerator pedal, brake Unique signals such as pedals, and general information such as current, total voltage, battery cell voltage, and gear position.
  • the following data can be mainly transmitted: charging gun connection, charging handshake and other information, current, total voltage, battery cell voltage, gear and other general information.
  • the data to be transmitted is sent according to the obtained transmission frequency of the data to be transmitted at the current moment, and is sent to the cloud and/or the circulating storage unit.
  • This application also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
  • the processor executes the computer program, the above electric vehicle data classification frequency conversion transmission method is implemented.
  • the electronic device The equipment can be part of the TBOX.
  • This application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores a computer program.
  • the computer program When executed by a processor, it can implement the above electric vehicle data classification and frequency conversion transmission method.
  • Figure 2 is an exemplary structural diagram of an electronic device capable of implementing the electric vehicle data classification and frequency conversion transmission method provided according to an embodiment of the present application.
  • the electronic device includes an input device 501 , an input interface 502 , a central processing unit 503 , a memory 504 , an output interface 505 and an output device 506 .
  • the input interface 502, the central processing unit 503, the memory 504 and the output interface 505 are connected to each other through the bus 507.
  • the input device 501 and the output device 506 are connected to the bus 507 through the input interface 502 and the output interface 505 respectively, and then communicate with other parts of the electronic device. Component connections.
  • the input device 504 receives input information from the outside and transmits the input information to the central processor 503 through the input interface 502; the central processor 503 processes the input information based on computer-executable instructions stored in the memory 504 to generate output. Information, the output information is temporarily or permanently stored in the memory 504, and then the output information is transmitted to the output device 506 through the output interface 505; the output device 506 outputs the output information to the outside of the electronic device for use by the user.
  • the electronic device shown in FIG. 2 can also be implemented to include: a memory storing computer-executable instructions; and one or more processors.
  • the one or more processors can Implement the creep noise analysis method for the vehicle braking system described in conjunction with Figure 1.
  • the electronic device shown in FIG. 2 may be implemented to include: a memory 504 configured to store executable program code; one or more processors 503 configured to run the executable program code stored in the memory 504. Program code to execute the creep noise analysis method for the vehicle braking system in the above embodiment.
  • a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
  • processors CPUs
  • input/output interfaces network interfaces
  • memory volatile and non-volatile memory
  • Memory may include non-permanent storage in computer-readable media, random access memory (RAM) and/or non-volatile memory in the form of read-only memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
  • RAM random access memory
  • ROM read-only memory
  • flash RAM flash random access memory
  • Computer-readable media includes permanent and non-permanent, removable and non-removable media, and media can be implemented by any method or technology for information storage.
  • Information may be computer-readable instructions, data structures, modules of programs, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), and read-only memory.
  • PRAM phase change memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • RAM random access memory
  • read-only memory read-only memory
  • ROM read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory or other memory technology
  • compact disc read-only memory CD-ROM
  • data versatile disc DVD or other optical storage
  • Magnetic tape cartridges magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, may be used to store information that can be accessed by a computing device.
  • embodiments of the present application may be provided as methods, systems or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which includes one or more components that implement the specified logical function(s). Executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks identified one after another may actually execute substantially in parallel, or they may sometimes execute in the reverse order, depending on the functionality involved.
  • each block in the block diagram and/or flowchart illustration, and combinations of blocks in the block diagram and/or the overall flowchart illustration can be configured with specialized hardware-based systems that perform the specified functions or operations. to be implemented, or may be implemented using a combination of dedicated hardware and computer instructions.
  • the processor can be a central processing unit (Central Processing Unit, CPU), or other general-purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit) , ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA off-the-shelf programmable gate array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the memory can be used to store computer programs and/or modules, and the processor implements various functions of the device/terminal equipment by running or executing the computer programs and/or modules stored in the memory, and calling data stored in the memory.
  • the memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function (such as a sound playback function, an image playback function, etc.), etc.; the storage data area may store data according to the requirements of the mobile phone. The data created by using it (such as audio data, phone book, etc.), etc.
  • the memory can include high-speed random access memory, and can also include non-volatile memory, such as hard disk, memory, plug-in hard disk, smart memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card , Flash Card, at least one disk storage device, flash memory device, or other volatile solid-state storage device.
  • non-volatile memory such as hard disk, memory, plug-in hard disk, smart memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card , Flash Card, at least one disk storage device, flash memory device, or other volatile solid-state storage device.
  • the integrated modules/units of the device/terminal equipment are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the present invention can implement all or part of the processes in the methods of the above embodiments, and can also be completed by instructing relevant hardware through a computer program.
  • the computer program can be stored in a computer-readable storage medium, and the computer program can be stored in a computer-readable storage medium.
  • the steps of each of the above method embodiments can be implemented.
  • the computer program includes computer program code, and the computer program code can be in the form of source code, object code, executable file or some intermediate form, etc.
  • Computer-readable media may include: any entity or device that can carry computer program code, recording media, USB flash drives, mobile hard drives, magnetic disks, optical disks, computer memory, read-only memory (ROM, Read-Only Memory), random access Memory (RAM, Random Access Memory), electrical carrier signals, telecommunications signals, and software distribution media, etc. It should be noted that the content contained in the computer-readable medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction.
  • embodiments of the present application may be provided as methods, systems or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.

Abstract

本申请公开了一种电动汽车数据分类变频传输方法、装置及系统。所述电动汽车数据分类变频传输方法包括：获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；获取当前时刻的待传输数据；根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。本申请的电动汽车数据分类变频传输方法根据车辆状态域信息以及待传输数据来确定传输频率，在不同的车辆状态下给与不同的待传输数据以不同的传输频率，能够极大节约了数据带宽及流量。

Description

一种电动汽车数据分类变频传输方法、装置及系统 技术领域
本申请涉及车辆数据传输技术领域，具体涉及一种电动汽车数据分类变频传输方法、电动汽车数据分类变频传输装置、车载TBOX以及电动汽车数据分类变频传输系统。
背景技术
随着电动汽车的不断普及，通过Tbox(无线网关传输模块)将车联网数据传输至云端进行分析的场景及信号不断普及。
随着需要传输的信号越来越多，需要分析的数据频率越来越高，长时间采用高频率去传输数据会导致无线传输的带宽和流量成为了很大的负担，数据量大且信号多会导致信息接收延迟、数据错误等问题多发，而庞大的数据产生的流量也让厂家和用户叫苦不迭。
因此，希望有一种技术方案来解决或至少减轻现有技术的上述不足。
发明内容
本发明的目的在于提供一种电动汽车数据分类变频传输方法来至少解决上述的一个技术问题。
本发明的一个方面，提供一种电动汽车数据分类变频传输方法，所述电动汽车数据分类变频传输方法包括：
获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；
获取当前时刻的待传输数据；
根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述 待传输数据获取该待传输数据的当前时刻传输频率；
根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
可选地，所述待传输数据包括如下数据中的至少一个：
行驶数据、车辆基本数据、充电数据。
可选地，所述车辆状态域信息包括车辆行驶状态、车辆驻车状态、车辆充电状态以及车辆异常状态。
可选地，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若是，则
获取待传输数据的数据类型；
将上一时刻传输与待传输数据具有相同数据类型的数据时的传输频率作为当前时刻传输频率。
可选地，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若否，则
获取待传输数据的数据类型；
根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率。
可选地，所述根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率包括：
获取传输频率对照表，所述传输频率对照表包括预设数据组以及预设频率，一个预设频率与一个预设数据组对应，一个预设数据组包括一个预设数据类型以及一个预设状态域信息；
判断是否有一个预设数据组中的预设数据类型与待传输数据的数据类型相同且该预设数据组中的预设状态域信息与当前时刻的车辆状态域信息相同，若是，则
获取该预设数据组所对应的预设频率作为传输频率。
可选地，所述获取当前时刻的车辆状态域信息包括：
获取当前时刻的车辆行驶数据；
根据当前时刻的车辆行驶数据判断当前时刻的车辆状态域信息。
本申请还提供了一种电动汽车数据分类变频传输装置，所述电动汽车数据分类变频传输装置包括：
车辆状态域信息获取模块，所述车辆状态域信息获取模块用于获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；
待传输数据获取模块，所述待传输数据获取模块用于获取当前时刻的待传输数据；
传输频率获取模块，所述传输频率获取模块用于根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；
发送模块，所述发送模块用于根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
本申请还提供了一种车载TBOX，所述车载TBOX包括如上所述的电动汽车数据分类变频传输装置。
本申请还提供了一种电动汽车数据分类变频传输系统，所述电动汽车数据分类变频传输系统包括：
车载TBOX，所述车载TBOX为如上所述的车载TBOX；
车载控制器，所述车载控制器与所述车载TBOX连接，用于为所述车载TBOX传输待传输数据；
循环存储单元，所述循环存储单元与所述车载控制器和/或车载TBOX连接，所述循环存储单元用于自所述车载控制器处获取待传输数据和/或自所述车载TBOX处获取待传输数据。
有益效果
本申请的电动汽车数据分类变频传输方法根据车辆状态域信息以及待传输数据来确定传输频率，在不同的车辆状态下给与不同的待传输数据以不同的传输频率，能够极大节约了数据带宽及流量，且对于在某种状态下所必须的数据而言，其传输频率可以较高，而对于某种状态下不太会出现问题的数据而言，其传输频率可以相对降低，这样，在不妨碍云端进行正常的数据分析的情况下，能够最大程度实现智能化的传输频率调节，从而节省能源。
附图说明
图1是本申请一实施例的电动汽车数据分类变频传输方法的流程示意图。
图2是能够实现本申请一实施例的电动汽车数据分类变频传输方法的电子设备的示意图。
图3是本申请一实施例的电动汽车数据分类变频传输系统的系统示意图。
附图标记：
100、车载控制器；200、车载TBOX；300、循环存储单元；301、硬盘；
302、供电电池；303、12V外接电源接口；304、外接OBD接口；305、连接碰撞信号物理接口的断路器；306、外联至碰撞信号的物理接口；307、控制芯片。
具体实施方式
为使本申请实施的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行更加详细的描述。在附图中，自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。所描述的实施例是本申请一部分实施例，而不是全部的实施例。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。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他实施例，都属于本申请保护的范围。下面结合附图对本申请的实施例进行详细说明。
图1是本申请一实施例的电动汽车数据分类变频传输方法的流程示意图。
如图1所示的电动汽车数据分类变频传输方法包括：
步骤1：获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；
步骤2：获取当前时刻的待传输数据；
步骤3：根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；
步骤4：根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
本申请的电动汽车数据分类变频传输方法根据车辆状态域信息以及待传输数据来确定传输频率，在不同的车辆状态下给与不同的待传输数据以不同的传输频率，能够极大节约了数据带宽及流量，且对于在某种状态下所必须的数据而言，其传输频率可以较高，而对于某种状态下不太会出现问题的数据而言，其传输频率可以相对降低，这样，在不妨碍云端进行正常的数据分析的情况下，能够最大程度实现智能化的传输频率调节，从而节省能源。
在本实施例中，待传输数据包括如下数据中的至少一个：
行驶数据、车辆基本数据、充电数据。
在本实施例中，行驶数据可以包括车速、油门踏板、刹车踏板等信息。
在本实施例中，车辆基本数据可以包括电流、总电压、电池单体电压、档位等信息。
在本实施例中，充电数据可以包括充电枪连接、充电握手等信息。
在本实施例中，所述车辆状态域信息包括车辆行驶状态、车辆驻车状态、车辆充电状态以及车辆异常状态。
在本实施例中，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若是，则
获取待传输数据的数据类型；
将上一时刻传输与待传输数据具有相同数据类型的数据时的传输频率作为当前时刻传输频率。
在本实施例中，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若否，则
获取待传输数据的数据类型；
根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率。
在本实施例中，所述根据当前时刻的车辆状态域信息以及所述待传输数 据的数据类型获取该待传输数据的当前时刻传输频率包括：
获取传输频率对照表，所述传输频率对照表包括预设数据组以及预设频率，一个预设频率与一个预设数据组对应，一个预设数据组包括一个预设数据类型以及一个预设状态域信息；
判断是否有一个预设数据组中的预设数据类型与待传输数据的数据类型相同且该预设数据组中的预设状态域信息与当前时刻的车辆状态域信息相同，若是，则
获取该预设数据组所对应的预设频率作为传输频率。
在本实施例中，所述获取当前时刻的车辆状态域信息包括：
获取当前时刻的车辆行驶数据；
根据当前时刻的车辆行驶数据判断当前时刻的车辆状态域信息。
在本实施例中，采用如下方式根据当前时刻的车辆行驶数据判断当前时刻的车辆状态域信息：
获取车辆档位信息，若车辆档位信息为D档(前进挡)或S档(运动模式)，则判断车辆为车辆行驶状态。
若车辆档位信息为停车挡，则获取充电连接信息，若具有充电连接信息，则判断车辆为车辆充电状态，若没有充电连接信息，则判断车辆为车辆驻车状态。
若车辆所获取的信息中有一个信息为异常信息，则车辆处于车辆异常状态。
下面以举例的方式对本申请进行进一步详细阐述，可以理解的是，该举例并不构成对本申请的任何限制。
在本举例中，以充电相关数据作为待传输数据举例。
步骤1：获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；具体而言，行驶数据判断具体为：根据车辆档位为D或S，电机继电器状态、车速、油门踏板深度等信号进行判断，通过车辆档位为D或S，电机继电器状态、车速、油门踏板深度等信号进行判断，判断认为车辆位于行驶状态，则通过传输频率对照表获取每种数据所对应的频率，例如，待传输数据包括车速、油门踏板、刹车踏板等信息、电流、总电压、电池单体电压、档位等信息，则每个信息都有一个对应频率，如下表1所示(表1中仅示意性举例)。
表1：传输频率对照表
步骤2：获取当前时刻的待传输数据，具体地，将所有待传输的数据进行汇总整理。
步骤3：根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率，具体而言，判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若是，则
获取待传输数据的数据类型；
将上一时刻传输与待传输数据具有相同数据类型的数据时的传输频率作为当前时刻传输频率。
判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若否，则
获取待传输数据的数据类型；
根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率。
更具体地，获取传输频率对照表(参见表1)，所述传输频率对照表包括预设数据组以及预设频率，一个预设频率与一个预设数据组对应，一个预设数据组包括一个预设数据类型以及一个预设状态域信息；
判断是否有一个预设数据组中的预设数据类型与待传输数据的数据类型相同且该预设数据组中的预设状态域信息与当前时刻的车辆状态域信息相同，若是，则
获取该预设数据组所对应的预设频率作为传输频率。
举例来说，此时车辆当前时刻的车辆状态域信息为车辆行驶状态，当前的待传输数据为速度数据，则此时传输频率为1fps。
在本实施例中，选择不同的信号周期传输频率可以参考如下方案，每秒 传输数据帧以fps(Frames Per Second)表示：
A、车辆为行驶状态则传输数据为1fps；
B、车辆充电状态则传输数据为0.1fps；
C、车辆驻车状态则传输数据为0.03fps。
故障信号周期传输频率，根据信号判断，如产生三级报警，则加大周期频率，周期可以参考如下：
车辆各状态均提升至10fps，同时上传报警信号。
数据预警周期传输频率或云端数据判断周期传输频率，根据信号判断，如快充阶段，或产生一级轻微报警阶段，周期适当增加，参考如下：
A、车辆为行驶状态则传输数据为1fps；
B、车辆充电状态则传输数据为1fps；
C、车辆驻车状态则传输数据为1fps；
D、上传报警信号。
通过本申请的方法，可以使车辆根据不同条件下上传不同信号组及不同信号频率的数据，有效的减缓了数据流量和带宽的压力，同时不影响数据分析的精度。通过本系统还对高速数据进行了车内存储，在进行事故分析或者法律认定时可以调取该数据，避免了因为云端数据异常导致的数据丢失。
本申请还提供了一种电动汽车数据分类变频传输装置，所述电动汽车数据分类变频传输装置包括车辆状态域信息获取模块，待传输数据获取模块，传输频率获取模块、发送模块，车辆状态域信息获取模块用于获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；待传输数据获取模块用于获取当前时刻的待传输数据；传输频率获取模块用于根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；发送模块用于根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
本申请还提供了一种车载TBOX，所述车载TBOX包括如上所述的电动汽车数据分类变频传输装置。
参见图3，本申请还提供了一种电动汽车数据分类变频传输系统，所述电动汽车数据分类变频传输系统包括车载TBOX、车载控制器以及循环存储单元，车载TBOX为如上所述的车载TBOX；车载控制器与所述车载TBOX连接，用于为所述车载TBOX传输待传输数据；循环存储单元与所述车载控制器和/或车载TBOX连接，所述循环存储单元用于自所述车载控制器处获取待传输数 据和/或自所述车载TBOX处获取待传输数据。
图3为本发明实施例提供的一种电动汽车数据分类变频传输系统的结构示意图。如图3所示，本发明实施例提供的电动汽车数据分类变频传输系统包括：车载控制器100、无线网关200、循环存储300，其中，300包括301-硬盘/SD/MMC、302-供电电池、303-12V外接电源接口、304-外接OBD接口、305-连接碰撞信号物理接口的断路器、306-外联至碰撞信号的物理接口、307-控制芯片；
存储单元(硬盘/SD/MMC)301、控制芯片307与无线网关200相连接，其中存储单元可以为上述表述中的硬盘/SD/MMC存储结构中的一种或几种，控制芯片为为整个循环存储模组提供控制功能的芯片，供电电池302为控制芯片307、断路器305、存储单元301供电，同时其通过303的接口与车载的12V低压电源相连接。OBD接口304与车端的OBD接口相连接，可以通过车端OBD接口读取存储单元中的数据，断路器305通过碰撞信号物理接口控制，一旦发生车辆碰撞，断路器305就断开12V电源与电池302之间的连接，整个循环存储单元通过电池302供电，以保证车辆的存储信号完整。
本发明实施例提供了一种电动汽车数据分类变频传输系统，包括：车载控制器模块、无线网关模块、循环存储模块，其中，所述循环存储模块包括由存储单元、控制芯片及电池组成的存储部分子模块及OBD接口、12V电源连接接口、连接碰撞信号物理接口的断路器；
所述车载控制器模块通过CAN通信、Lin通信、FlexRay通信等方式连接至无线网关模块，无线网关模块通过CAN通信、Lin通信、FlexRay通信、以太网等通信方式连接至循环存储模块。
所述循环存储模块中存储部分由控制芯片控制存储单元接收无线网关传输的数据，并且可以通过OBD接口导出，供电电源由电池模块连接至12V电源，可以保证整个模型在短时间馈电或者电压不稳的情况下正常存储和传输数据，在12V电源及电池之间有一个连接碰撞信号物理接口的断路器，当发生车辆碰撞时，断路器断开，此时由单独的电池供电存储部分进行记录和保存，免受外部碰撞导致的异常使记录中断。
控制芯片及存储单元用于接收从无线网关模块路由来的车载控制器模块所有信号，频率与控制器原始频率相同，对于数据进行循环存储，存储时间依照所述存储硬件大小制定，一般不少于1个月，对于超出数据，循环删除头部数据后继续存储。
本发明实施例还提供了一种电动汽车数据分类变频传输方法，包括：
Tbox通过对所有待发送数据的按照状态域判断，区分为行驶、充电、驻 车三个主状态域，各主状态域可以包含子状态域，判断每个状态域都有详细需要上传的信号数据组，车辆运行时，根据预设信号条件判断车辆处于哪种状态域，然后按照状态域信息上传数据至云端。
各状态域除了可以筛选信号以外，也可以根据控制信号条件判断设置上传频率，频率分为车辆正常、加密分析、车辆报警三种频率。
Tbox的频率设置及状态域信号划分，可以由远程通过OTA升级实现转换。
在本实施例中，根据车辆实际情况，不同的车辆状态域下，所需要传送的待传输数据可以不完全相同，例如，在车辆行驶状态下，可以主要传递如下数据：车速、油门踏板、刹车踏板等独有信号，电流、总电压、电池单体电压、档位等通用信息。
在车辆充电状态下，可以主要传递如下数据：充电枪连接、充电握手等信息、电流、总电压、电池单体电压、档位等通用信息。
在车辆驻车状态下，可以上传如下数据：继电器状态、DC状态等数据。
在本实施例中，根据获取的待传输数据的当前时刻传输频率发送所述待传输数据，其发送给云端和/或循环存储单元。
可以理解的是，上述对方法的描述，也同样适用于对装置的描述。
本申请还提供了一种电子设备，包括存储器、处理器以及存储在存储器中并能够在处理器上运行的计算机程序，处理器执行计算机程序时实现如上的电动汽车数据分类变频传输方法，该电子设备可以为TBOX的一部分。
本申请还提供了一种计算机可读存储介质，计算机可读存储介质存储有计算机程序，计算机程序被处理器执行时能够实现如上的电动汽车数据分类变频传输方法。
图2是能够实现根据本申请一个实施例提供的电动汽车数据分类变频传输方法的电子设备的示例性结构图。
如图2所示，电子设备包括输入设备501、输入接口502、中央处理器503、存储器504、输出接口505以及输出设备506。其中，输入接口502、中央处理器503、存储器504以及输出接口505通过总线507相互连接，输入设备501和输出设备506分别通过输入接口502和输出接口505与总线507连接，进而与电子设备的其他组件连接。具体地，输入设备504接收来自外部的输入信息，并通过输入接口502将输入信息传送到中央处理器503；中央处理器503基于存储器504中存储的计算机可执行指令对输入信息进行处理以生成输出信息，将输出信息临时或者永久地存储在存储器504中，然后通过输出接口505将输出信息传送到输出设备506；输出设备506将输出信息输出到电子设备的外部供用户使用。
也就是说，图2所示的电子设备也可以被实现为包括：存储有计算机可执行指令的存储器；以及一个或多个处理器，该一个或多个处理器在执行计算机可执行指令时可以实现结合图1描述的车辆制动系统用蠕动噪声分析方法。
在一个实施例中，图2所示的电子设备可以被实现为包括：存储器504，被配置为存储可执行程序代码；一个或多个处理器503，被配置为运行存储器504中存储的可执行程序代码，以执行上述实施例中的车辆制动系统用蠕动噪声分析方法。
在一个典型的配置中，计算设备包括一个或多个处理器(CPU)、输入/输出接口、网络接口和内存。
内存可能包括计算机可读介质中的非永久性存储器，随机存取存储器(RAM)和/或非易失性内存等形式，如只读存储器(ROM)或闪存(flash RAM)。内存是计算机可读介质的示例。
计算机可读介质包括永久性和非永久性、可移动和非可移动，媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括，但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数据多功能光盘(DVD)或其他光学存储、磁盒式磁带、磁带磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。
本领域技术人员应明白，本申请的实施例可提供为方法、系统或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
此外，显然“包括”一词不排除其他单元或步骤。装置权利要求中陈述的多个单元、模块或装置也可以由一个单元或总装置通过软件或硬件来实现。
附图中的流程图和框图，图示了按照本申请各种实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分，模块、程序段、或代码的一部分包括一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意，在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个接连地标识的方框实际上可以基本并行地执行，他们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图和/或流程图中的每个方框、以及框图和/或总流程图中的方框的组合，可以用执行规定的功能或操作的专用的基于硬件的系统 来实现，或者可以用专用硬件与计算机指令的组合来实现。
在本实施例中所称处理器可以是中央处理单元(Central Processing Unit，CPU)，还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field-Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
存储器可用于存储计算机程序和/或模块，处理器通过运行或执行存储在存储器内的计算机程序和/或模块，以及调用存储在存储器内的数据，实现装置/终端设备的各种功能。存储器可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器可以包括高速随机存取存储器，还可以包括非易失性存储器，例如硬盘、内存、插接式硬盘，智能存储卡(Smart Media Card,SMC)，安全数字(Secure Digital,SD)卡，闪存卡(Flash Card)、至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
在本实施例中，装置/终端设备集成的模块/单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实现上述实施例方法中的全部或部分流程，也可以通过计算机程序来指令相关的硬件来完成，的计算机程序可存储于一计算机可读存储介质中，该计算机程序在被处理器执行时，可实现上述各个方法实施例的步骤。其中，计算机程序包括计算机程序代码，计算机程序代码可以为源代码形式、对象代码形式、可执行文件或某些中间形式等。计算机可读介质可以包括：能够携带计算机程序代码的任何实体或装置、记录介质、U盘、移动硬盘、磁碟、光盘、计算机存储器、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、电载波信号、电信信号以及软件分发介质等。需要说明的是，计算机可读介质包含的内容可以根据司法管辖区内立法和专利实践的要求进行适当的增减。本申请虽然以较佳实施例公开如上，但其实并不是用来限定本申请，任何本领域技术人员在不脱离本申请的精神和范围内，都可以做出可能的变动和修改，因此，本申请的保护范围应当以本申请权利要求所界定的范围为准。
本领域技术人员应明白，本申请的实施例可提供为方法、系统或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
此外，显然“包括”一词不排除其他单元或步骤。装置权利要求中陈述 的多个单元、模块或装置也可以由一个单元或总装置通过软件或硬件来实现。
虽然，上文中已经用一般性说明及具体实施方案对本发明作了详尽的描述，但在本发明基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此，在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。

Claims (10)

  1. 一种电动汽车数据分类变频传输方法，其特征在于，所述电动汽车数据分类变频传输方法包括：
    获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；
    获取当前时刻的待传输数据；
    根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；
    根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
  2. 如权利要求1所述的电动汽车数据分类变频传输方法，其特征在于，所述待传输数据包括如下数据中的至少一个：
    行驶数据、车辆基本数据、充电数据。
  3. 如权利要求2所述的电动汽车数据分类变频传输方法，其特征在于，所述车辆状态域信息包括车辆行驶状态、车辆驻车状态、车辆充电状态以及车辆异常状态。
  4. 如权利要求3所述的电动汽车数据分类变频传输方法，其特征在于，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
    判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若是，则
    获取待传输数据的数据类型；
    将上一时刻传输与待传输数据具有相同数据类型的数据时的传输频率作为当前时刻传输频率。
  5. 如权利要求4所述的电动汽车数据分类变频传输方法，其特征在于，所述根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的传输频率包括：
    判断当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息是否相同，若否，则
    获取待传输数据的数据类型；
    根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率。
  6. 如权利要求5所述的电动汽车数据分类变频传输方法，其特征在于，所述根据当前时刻的车辆状态域信息以及所述待传输数据的数据类型获取该待传输数据的当前时刻传输频率包括：
    获取传输频率对照表，所述传输频率对照表包括预设数据组以及预设频率，一个预设频率与一个预设数据组对应，一个预设数据组包括一个预设数据类型以及一个预设状态域信息；
    判断是否有一个预设数据组中的预设数据类型与待传输数据的数据类型相同且该预设数据组中的预设状态域信息与当前时刻的车辆状态域信息相同，若是，则
    获取该预设数据组所对应的预设频率作为传输频率。
  7. 如权利要求6所述的电动汽车数据分类变频传输方法，其特征在于，所述获取当前时刻的车辆状态域信息包括：
    获取当前时刻的车辆行驶数据；
    根据当前时刻的车辆行驶数据判断当前时刻的车辆状态域信息。
  8. 一种电动汽车数据分类变频传输装置，其特征在于，所述电动汽车数据分类变频传输装置包括：
    车辆状态域信息获取模块，所述车辆状态域信息获取模块用于获取当前时刻的车辆状态域信息以及上一时刻的车辆状态域信息；
    待传输数据获取模块，所述待传输数据获取模块用于获取当前时刻的待传输数据；
    传输频率获取模块，所述传输频率获取模块用于根据当前时刻的车辆状态域信息、上一时刻的车辆状态域信息以及所述待传输数据获取该待传输数据的当前时刻传输频率；
    发送模块，所述发送模块用于根据获取的待传输数据的当前时刻传输频率发送所述待传输数据。
  9. 一种车载TBOX，其特征在于，所述车载TBOX包括如权利要求9所述的电动汽车数据分类变频传输装置。
  10. 一种电动汽车数据分类变频传输系统，其特征在于，所述电动汽车数据分类变频传输系统包括：
    车载TBOX，所述车载TBOX为如权利要求9所述的车载TBOX；
    车载控制器，所述车载控制器与所述车载TBOX连接，用于为所述车载TBOX传输待传输数据；
    循环存储单元，所述循环存储单元与所述车载控制器和/或车载TBOX连接，所述循环存储单元用于自所述车载控制器处获取待传输数据和/或自所述车载TBOX处获取待传输数据。
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CN113347279A (zh) * 2021-08-09 2021-09-03 天津所托瑞安汽车科技有限公司 车辆行驶数据的传输方法和系统
CN115361667A (zh) * 2022-08-22 2022-11-18 中国第一汽车股份有限公司 一种电动汽车数据分类变频传输方法、装置及系统

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