CN115361667A - Electric vehicle data classification variable frequency transmission method, device and system - Google Patents
Electric vehicle data classification variable frequency transmission method, device and system Download PDFInfo
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Abstract
The application discloses a method, a device and a system for classified frequency conversion transmission of electric vehicle data. The electric vehicle data classification frequency conversion transmission method comprises the following steps: acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment; acquiring data to be transmitted at the current moment; acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted; and sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted. According to the electric vehicle data classification variable frequency transmission method, the transmission frequency is determined according to the vehicle state domain information and the data to be transmitted, different transmission frequencies are given to different data to be transmitted under different vehicle states, and data bandwidth and flow can be greatly saved.
Description
Technical Field
The application relates to the technical field of vehicle data transmission, in particular 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.
Background
With the increasing popularity of electric vehicles, scenes and signals are increasingly popular, in which internet of vehicles data is transmitted to the cloud for analysis through a Tbox (wireless gateway transmission module).
With the increasing number of signals to be transmitted and the increasing frequency of data to be analyzed, the long-time use of high frequency to transmit data will cause a large burden on the bandwidth and traffic of wireless transmission, the large amount of data and the large number of signals will cause problems such as delay in information reception and data errors, and the traffic generated by the large amount of data will not be overlapped by manufacturers and users.
Accordingly, a solution is desired to solve or at least mitigate the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The present invention is to provide a data classification and frequency conversion transmission method for an electric vehicle to solve at least one of the above technical problems.
In one aspect of the present invention, an electric vehicle data classification variable frequency transmission method is provided, and the electric vehicle data classification variable frequency transmission method includes:
acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment;
acquiring data to be transmitted at the current moment;
acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted;
and sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
Optionally, the data to be transmitted includes at least one of the following data:
driving data, vehicle basic data, charging data.
Optionally, the vehicle state domain information includes a vehicle running state, a vehicle parking state, a vehicle charging state, and a vehicle abnormal state.
Optionally, the obtaining, according to the vehicle state domain information at the current moment, the vehicle state domain information at the previous moment, and the data to be transmitted, the transmission frequency of the data to be transmitted includes:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if so, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and taking the transmission frequency when the data with the same data type as the data to be transmitted is transmitted at the last moment as the transmission frequency at the current moment.
Optionally, the obtaining, according to the vehicle state domain information at the current moment, the vehicle state domain information at the previous moment, and the data to be transmitted, the transmission frequency of the data to be transmitted includes:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if not, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and acquiring the current-time transmission frequency of the data to be transmitted according to the vehicle state domain information at the current time and the data type of the data to be transmitted.
Optionally, the obtaining the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information and the data type of the data to be transmitted includes:
acquiring a transmission frequency comparison table, wherein the transmission frequency comparison table comprises preset data groups and preset frequencies, one preset frequency corresponds to one preset data group, and one preset data group comprises a preset data type and preset state domain information;
judging whether a preset data type in a preset data group is the same as the data type of the data to be transmitted or not and the preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment, if so, judging that the preset data type is the same as the data type of the data to be transmitted, otherwise, judging that the preset data type is the same as the data type of the data to be transmitted, and if not, judging that the preset state domain information is the same as the vehicle state domain information at the current moment
And acquiring a preset frequency corresponding to the preset data group as a transmission frequency.
Optionally, the obtaining the vehicle state domain information at the current time includes:
acquiring vehicle running data at the current moment;
and judging the vehicle state domain information at the current moment according to the vehicle running data at the current moment.
The application also provides an electric automobile data classification frequency conversion transmission device, electric automobile data classification frequency conversion transmission device includes:
the system comprises a vehicle state domain information acquisition module, a vehicle state domain information acquisition module and a vehicle state domain information acquisition module, wherein the vehicle state domain information acquisition module is used for acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment;
the device comprises a to-be-transmitted data acquisition module, a transmission module and a data transmission module, wherein the to-be-transmitted data acquisition module is used for acquiring data to be transmitted at the current moment;
the transmission frequency acquisition module is used for acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted;
and the sending module is used for sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
The application also provides a vehicle-mounted TBOX, which comprises the data classification variable-frequency transmission device for the electric vehicle.
The application also provides a categorised frequency conversion transmission system of electric automobile data, the categorised frequency conversion transmission system of electric automobile data includes:
an on-board TBOX, as described above;
the vehicle-mounted controller is connected with the vehicle-mounted TBOX and is used for transmitting data to be transmitted for the vehicle-mounted TBOX;
the circulating storage unit is connected with the vehicle-mounted controller and/or the vehicle-mounted TBOX, and the circulating storage unit is used for acquiring data to be transmitted from the vehicle-mounted controller and/or acquiring data to be transmitted from the vehicle-mounted TBOX.
Advantageous effects
The utility model provides an electric automobile data classification frequency conversion transmission method confirms transmission frequency according to vehicle state domain information and wait to transmit data, give different wait to transmit data with different transmission frequency under different vehicle state, data bandwidth and flow can greatly be practiced thrift, and to the necessary data under certain state, its transmission frequency can be higher, and to the data that can not be too out of order under certain state, its transmission frequency can reduce relatively, like this, under the circumstances that does not hinder the high clouds and carry out normal data analysis, can realize intelligent transmission frequency regulation by the at utmost, thereby the energy can be saved.
Drawings
Fig. 1 is a schematic flow chart of an electric vehicle data classification variable frequency transmission method according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an electronic device capable of implementing the data classification frequency conversion transmission method for an electric vehicle according to an embodiment of the present application.
Fig. 3 is a system diagram of an electric vehicle data classification variable frequency transmission system according to an embodiment of the present application.
Reference numerals:
100. a vehicle-mounted controller; 200. vehicle TBOX; 300. a circulating storage unit; 301. a hard disk; 302. a power supply battery; 303. 12V external power interface; 304. an OBD interface is connected externally; 305. the circuit breaker is connected with the collision signal physical interface; 306. a physical interface externally coupled to the collision signal; 307. and a control chip.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a data classification and frequency conversion transmission method for an electric vehicle according to an embodiment of the present application.
The data classification and frequency conversion transmission method of the electric vehicle shown in fig. 1 comprises the following steps:
step 1: acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment;
step 2: acquiring data to be transmitted at the current moment;
and step 3: acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted;
and 4, step 4: and sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
The utility model provides an electric automobile data classification frequency conversion transmission method confirms transmission frequency according to vehicle state domain information and wait to transmit data, give different wait to transmit data with different transmission frequency under different vehicle state, data bandwidth and flow can greatly be practiced thrift, and to the necessary data under certain state, its transmission frequency can be higher, and to the data that can not be too out of order under certain state, its transmission frequency can reduce relatively, like this, under the circumstances that does not hinder the high clouds and carry out normal data analysis, can realize intelligent transmission frequency regulation by the at utmost, thereby the energy can be saved.
In this embodiment, the data to be transmitted includes at least one of the following data:
driving data, vehicle basic data, charging data.
In the present embodiment, the travel data may include information of vehicle speed, accelerator pedal, brake pedal, and the like.
In the present embodiment, the vehicle basic data may include information of current, total voltage, cell voltage, gear position, and the like.
In this embodiment, the charging data may include information such as charging gun connection, charging handshake, and the like.
In the present embodiment, the vehicle state domain information includes a vehicle running state, a vehicle parking state, a vehicle charging state, and a vehicle abnormal state.
In this embodiment, the obtaining, according to the current vehicle state domain information, the previous vehicle state domain information, and the data to be transmitted, the transmission frequency of the data to be transmitted includes:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if so, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and taking the transmission frequency when the data with the same data type as the data to be transmitted is transmitted at the last moment as the transmission frequency at the current moment.
In this embodiment, the obtaining, according to the current vehicle state domain information, the previous vehicle state domain information, and the data to be transmitted, the transmission frequency of the data to be transmitted includes:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if not, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and acquiring the current-time transmission frequency of the data to be transmitted according to the vehicle state domain information at the current time and the data type of the data to be transmitted.
In this embodiment, the obtaining the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information and the data type of the data to be transmitted includes:
acquiring a transmission frequency comparison table, wherein the transmission frequency comparison table comprises preset data groups and preset frequencies, one preset frequency corresponds to one preset data group, and one preset data group comprises one preset data type and one preset state domain information;
judging whether a preset data type in a preset data group is the same as the data type of the data to be transmitted or not and the preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment, if so, judging that the preset data type is the same as the data type of the data to be transmitted, otherwise, judging that the preset data type is the same as the data type of the data to be transmitted, and if not, judging that the preset state domain information is the same as the vehicle state domain information at the current moment
And acquiring a preset frequency corresponding to the preset data group as a transmission frequency.
In this embodiment, the acquiring the vehicle state domain information at the current time includes:
acquiring vehicle running data at the current moment;
and judging the vehicle state domain information at the current moment according to the vehicle running data at the current moment.
In this embodiment, the vehicle state domain information at the current time is determined according to the vehicle driving data at the current time in the following manner:
and acquiring vehicle gear information, and if the vehicle gear information is a D gear (a forward gear) or an S gear (a motion mode), judging that the vehicle is in a vehicle running state.
And if the vehicle gear information is the parking gear, acquiring charging connection information, if the charging connection information exists, judging that the vehicle is in a vehicle charging state, and if the charging connection information does not exist, judging that the vehicle is in a vehicle parking state.
And if one of the information acquired by the vehicle is abnormal information, the vehicle is in a vehicle abnormal state.
The present application is described in further detail below by way of examples, it being understood that the examples do not constitute any limitation to the present application.
In this example, the charging-related data is taken as an example of the data to be transmitted.
Step 1: acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment; specifically, the travel data determination specifically includes: the method includes the steps that judgment is carried out according to signals such as the state of a motor relay, the speed of a vehicle and the depth of an accelerator pedal when the gear of the vehicle is D or S, judgment is carried out according to signals such as the state of the motor relay, the speed of the vehicle and the depth of the accelerator pedal when the gear of the vehicle is D or S, and the frequency corresponding to each data is obtained through a transmission frequency comparison table when the gear of the vehicle is judged to be in a running state, for example, the data to be transmitted comprise information such as the speed of the vehicle, the accelerator pedal and a brake pedal, current, total voltage, voltage of a battery cell, gear and the like, and each information has a corresponding frequency as shown in the following table 1 (the table 1 is only an illustrative example).
Table 1: transmission frequency comparison table
Step 2: and acquiring the data to be transmitted at the current moment, and specifically, summarizing and sorting all the data to be transmitted.
And step 3: acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted, specifically, judging whether the current-time vehicle state domain information and the last-time vehicle state domain information are the same, if yes, then obtaining the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the last-time vehicle state domain information
Acquiring the data type of data to be transmitted;
and taking the transmission frequency when the data with the same data type as the data to be transmitted is transmitted at the last moment as the transmission frequency at the current moment.
Judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if not, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and acquiring the current-time transmission frequency of the data to be transmitted according to the vehicle state domain information at the current time and the data type of the data to be transmitted.
More specifically, a transmission frequency comparison table (see table 1) is obtained, where the transmission frequency comparison table includes preset data groups and preset frequencies, one preset frequency corresponds to one preset data group, and one preset data group includes one preset data type and one preset status field information;
judging whether a preset data type in a preset data group is the same as the data type of the data to be transmitted and preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment, if so, judging whether the preset data type in the preset data group is the same as the data type of the data to be transmitted and the preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment
And acquiring a preset frequency corresponding to the preset data group as a transmission frequency.
For example, at this time, the vehicle state domain information of the vehicle at the current time is the vehicle driving state, the current data to be transmitted is the speed data, and the transmission frequency is 1fps at this time.
In the present embodiment, the following scheme can be referred to for selecting different signal period transmission frequencies, where the data frame transmitted Per Second is expressed in fps (Frames Per Second):
A. if the vehicle is in a driving state, the transmission data is 1fps;
B. the data transmitted in the charging state of the vehicle is 0.1fps;
C. and the data transmitted in the parking state of the vehicle is 0.03fps.
The periodic transmission frequency of the fault signal is judged according to the signal, if three-level alarm is generated, the periodic frequency is increased, and the period can refer to the following:
and each state of the vehicle is increased to 10fps, and meanwhile, an alarm signal is uploaded.
The data early warning period transmission frequency or the cloud data judgment period transmission frequency is judged according to signals, such as a fast charging stage or a first-level slight alarm stage, the period is properly increased, and the following references are given:
A. if the vehicle is in a driving state, the transmission data is 1fps;
B. the data transmitted in the charging state of the vehicle is 1fps;
C. the transmission data is 1fps in the parking state of the vehicle;
D. and uploading an alarm signal.
By the method, the vehicle can upload data of different signal groups and different signal frequencies under different conditions, the pressure of data flow and bandwidth is effectively relieved, and the accuracy of data analysis is not influenced. The high-speed data are stored in the vehicle through the system, and can be called when accident analysis or law confirmation is carried out, so that data loss caused by abnormal cloud data is avoided.
The application also provides a data classification variable-frequency transmission device of the electric automobile, which comprises a vehicle state domain information acquisition module, a data acquisition module to be transmitted, a transmission frequency acquisition module and a sending module, wherein the vehicle state domain information acquisition module is used for acquiring the vehicle state domain information at the current moment and the vehicle state domain information at the previous moment; the data to be transmitted acquisition module is used for acquiring data to be transmitted at the current moment; the transmission frequency acquisition module is used for acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted; the sending module is used for sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
The application also provides a vehicle-mounted TBOX, which comprises the electric vehicle data classification variable-frequency transmission device.
Referring to fig. 3, the present application further provides an electric vehicle data classification variable frequency transmission system, which includes a vehicle-mounted TBOX, a vehicle-mounted controller and a cyclic storage unit, where the vehicle-mounted TBOX is the vehicle-mounted TBOX; the vehicle-mounted controller is connected with the vehicle-mounted TBOX and is used for transmitting data to be transmitted for the vehicle-mounted TBOX; and the circulating storage unit is connected with the vehicle-mounted controller and/or the vehicle-mounted TBOX, and is used for acquiring data to be transmitted from the vehicle-mounted controller and/or acquiring data to be transmitted from the vehicle-mounted TBOX.
Fig. 3 is a schematic structural diagram of a data classification variable frequency transmission system of an electric vehicle according to an embodiment of the present invention. As shown in fig. 3, the data classification and frequency conversion transmission system for an electric vehicle according to the embodiment of the present invention includes: the vehicle-mounted controller 100, the wireless gateway 200 and the circulating storage 300, wherein the 300 comprises a 301-hard disk/SD/MMC, a 302-power supply battery, a 303-12V external power supply interface, a 304-external OBD interface, a 305-circuit breaker connected with a collision signal physical interface, a 306-physical interface externally connected to a collision signal and a 307-control chip;
the storage unit (hard disk/SD/MMC) 301 and the control chip 307 are connected to the wireless gateway 200, wherein the storage unit may be one or more of the hard disk/SD/MMC storage structures in the above description, the control chip is a chip providing a control function for the whole cycle storage module, the power supply battery 302 supplies power to the control chip 307, the circuit breaker 305 and the storage unit 301, and meanwhile, the power supply battery is connected to a vehicle-mounted 12V low-voltage power supply through an interface 303. The OBD interface 304 is connected with the OBD interface of the vehicle end, data in the storage unit can be read through the OBD interface of the vehicle end, the circuit breaker 305 is controlled through a collision signal physical interface, once a vehicle collision occurs, the circuit breaker 305 is disconnected between the 12V power supply and the battery 302, and the whole circulation storage unit is powered through the battery 302 to ensure that storage signals of the vehicle are complete.
The embodiment of the invention provides a data classification variable frequency transmission system of an electric automobile, which comprises: the vehicle-mounted intelligent collision avoidance system comprises a vehicle-mounted controller module, a wireless gateway module and a circulating storage module, wherein the circulating storage module comprises a storage part submodule consisting of a storage unit, a control chip and a battery, an OBD interface, a 12V power supply connection interface and a circuit breaker connected with a collision signal physical interface;
the vehicle-mounted controller module is connected to the wireless gateway module through CAN communication, lin communication, flexRay communication and other communication modes, and the wireless gateway module is connected to the circulating storage module through CAN communication, lin communication, flexRay communication, ethernet and other communication modes.
The storage part in the circulating storage module is controlled by the control chip to receive data transmitted by the wireless gateway through the storage unit and can be exported through an OBD interface, a power supply is connected to a 12V power supply through a battery module, the data can be normally stored and transmitted under the condition that the whole model is fed for a short time or the voltage is unstable, a circuit breaker connected with a collision signal physical interface is arranged between the 12V power supply and a battery, when a vehicle collision occurs, the circuit breaker is disconnected, at the moment, the recording and the storage are carried out through the independent battery power supply storage part, and the recording is prevented from being interrupted due to the fact that the external collision causes abnormity.
The control chip and the storage unit are used for receiving all signals of the vehicle-mounted controller module routed from the wireless gateway module, the frequency of the signals is the same as the original frequency of the controller, data are stored circularly, the storage time is set according to the size of the storage hardware and is generally not less than 1 month, and for data exceeding the data, the data are stored continuously after head data are deleted circularly.
The embodiment of the invention also provides a data classification frequency conversion transmission method for the electric automobile, which comprises the following steps:
the Tbox distinguishes three main state domains of running, charging and parking through judging all data to be sent according to the state domains, each main state domain can comprise sub-state domains, each state domain is judged to have a signal data set which needs to be uploaded in detail, when a vehicle runs, the vehicle is judged to be in which state domain according to preset signal conditions, and then the data are uploaded to the cloud according to state domain information.
Besides screening signals, each state domain can judge and set uploading frequency according to the conditions of the control signals, and the frequency is divided into three frequencies of normal vehicle, encryption analysis and vehicle alarm.
The frequency setting and the state domain signal division of the Tbox can be realized by OTA upgrading remotely.
In this embodiment, according to the actual situation of the vehicle, the data to be transmitted may not be completely the same in different vehicle status domains, for example, in the driving status of the vehicle, the following data may be mainly transmitted: unique signals such as vehicle speed, an accelerator pedal and a brake pedal, and general information such as current, total voltage, single battery voltage and gear.
In the vehicle charging state, the following data may be primarily transmitted: the charging gun is connected, the charging is handshake and other information, and the current, the total voltage, the single battery voltage, the gear and other general information.
In the vehicle parking state, the following data may be uploaded: relay status, DC status, etc.
In this embodiment, the data to be transmitted is sent according to the acquired current time transmission frequency of the data to be transmitted, and is sent to the cloud and/or the cyclic storage unit.
It will be appreciated that the above description of the method applies equally to the description of the apparatus.
The application also provides an electronic device, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the electric vehicle data classification variable frequency transmission method, and the electronic device can be a part of TBOX.
The application also provides a computer readable storage medium, which stores a computer program, and the computer program can realize the above electric vehicle data classification variable frequency transmission method when being executed by a processor.
Fig. 2 is an exemplary structural diagram of an electronic device capable of implementing a data classification frequency conversion transmission method for an electric vehicle according to an embodiment of the present application.
As shown in fig. 2, the electronic device includes an input device 501, an input interface 502, a central processor 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 a bus 507, and 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 further connected to other components of the electronic device. Specifically, 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 input information based on computer-executable instructions stored in the memory 504 to generate output information, temporarily or permanently stores the output information in the memory 504, and then transmits the output information 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.
That is, the electronic device shown in fig. 2 may also be implemented to include: a memory storing computer executable instructions; and one or more processors that when executing computer executable instructions may implement the method for creep noise analysis for a vehicle braking system described in conjunction with fig. 1.
In one embodiment, 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 execute the executable program code stored in the memory 504 to perform the creep noise analysis method for the vehicle brake system in the above-described embodiments.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media include both non-transitory and non-transitory, removable and non-removable media that implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, 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), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. 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, and the like) having computer-usable program code embodied therein.
Furthermore, it will be obvious that the term "comprising" does not exclude other elements or steps. A plurality of units, modules or devices recited in the device claims may also be implemented by one unit or overall device by software or hardware.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). 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 in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The Processor in this embodiment may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, and so on. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the apparatus/terminal device by running or executing the computer programs and/or modules stored in the memory, as well as by invoking 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, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
In this embodiment, the module/unit integrated with the apparatus/terminal device may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, all or part of the flow in the method according to the embodiments of the present invention may also be implemented by a computer program instructing related hardware, and the computer program may be stored in a computer readable storage medium, and when executed by a processor, the computer program may implement the steps of the above-described embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, software distribution medium, etc. It should be noted that the computer readable medium may contain content that is appropriately increased or decreased as required by legislation and patent practice in the jurisdiction. Although the present application has been described with reference to the preferred embodiments, it is not intended to limit the present application, and those skilled in the art can make variations and modifications without departing from the spirit and scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. 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, and the like) having computer-usable program code embodied therein.
Furthermore, it will be obvious that the term "comprising" does not exclude other elements or steps. A plurality of units, modules or devices recited in the device claims may also be implemented by one unit or overall device by software or hardware.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The electric vehicle data classification frequency conversion transmission method is characterized by comprising the following steps:
acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment;
acquiring data to be transmitted at the current moment;
acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted;
and sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
2. The electric vehicle data classification frequency conversion transmission method according to claim 1, wherein the data to be transmitted comprises at least one of the following data:
driving data, vehicle basic data, charging data.
3. The electric vehicle data classification variable-frequency transmission method according to claim 2, wherein the vehicle state domain information comprises a vehicle driving state, a vehicle parking state, a vehicle charging state and a vehicle abnormal state.
4. The electric vehicle data classification frequency conversion transmission method according to claim 3, wherein the obtaining of the transmission frequency of the data to be transmitted according to the vehicle state domain information at the current moment, the vehicle state domain information at the previous moment and the data to be transmitted comprises:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if so, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and taking the transmission frequency when the data with the same data type as the data to be transmitted is transmitted at the last moment as the transmission frequency at the current moment.
5. The electric vehicle data classification frequency conversion transmission method according to claim 4, wherein the obtaining of the transmission frequency of the data to be transmitted according to the vehicle state domain information at the current moment, the vehicle state domain information at the previous moment and the data to be transmitted comprises:
judging whether the vehicle state domain information at the current moment is the same as the vehicle state domain information at the previous moment, if not, judging that the current moment is the same as the previous moment
Acquiring the data type of data to be transmitted;
and acquiring the current-time transmission frequency of the data to be transmitted according to the vehicle state domain information at the current time and the data type of the data to be transmitted.
6. The electric vehicle data classification frequency conversion transmission method according to claim 5, wherein the obtaining of the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information and the data type of the data to be transmitted comprises:
acquiring a transmission frequency comparison table, wherein the transmission frequency comparison table comprises preset data groups and preset frequencies, one preset frequency corresponds to one preset data group, and one preset data group comprises a preset data type and preset state domain information;
judging whether a preset data type in a preset data group is the same as the data type of the data to be transmitted and preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment, if so, judging whether the preset data type in the preset data group is the same as the data type of the data to be transmitted and the preset state domain information in the preset data group is the same as the vehicle state domain information at the current moment
And acquiring a preset frequency corresponding to the preset data group as a transmission frequency.
7. The electric vehicle data classification frequency conversion transmission method according to claim 6, wherein the obtaining of the vehicle state domain information at the current time comprises:
acquiring vehicle running data at the current moment;
and judging the vehicle state domain information at the current moment according to the vehicle running data at the current moment.
8. The utility model provides an electric automobile data classification frequency conversion transmission device which characterized in that, electric automobile data classification frequency conversion transmission device includes:
the system comprises a vehicle state domain information acquisition module, a vehicle state domain information acquisition module and a vehicle state domain information acquisition module, wherein the vehicle state domain information acquisition module is used for acquiring vehicle state domain information at the current moment and vehicle state domain information at the previous moment;
the device comprises a to-be-transmitted data acquisition module, a transmission module and a data transmission module, wherein the to-be-transmitted data acquisition module is used for acquiring data to be transmitted at the current moment;
the transmission frequency acquisition module is used for acquiring the current-time transmission frequency of the data to be transmitted according to the current-time vehicle state domain information, the last-time vehicle state domain information and the data to be transmitted;
and the sending module is used for sending the data to be transmitted according to the acquired current moment transmission frequency of the data to be transmitted.
9. An on-vehicle TBOX, characterized in that the on-vehicle TBOX comprises the electric vehicle data classification variable frequency transmission device according to claim 9.
10. The utility model provides an electric automobile data classification frequency conversion transmission system which characterized in that, electric automobile data classification frequency conversion transmission system includes:
an on-vehicle TBOX that is the on-vehicle TBOX of claim 9;
the vehicle-mounted controller is connected with the vehicle-mounted TBOX and is used for transmitting data to be transmitted for the vehicle-mounted TBOX;
the circulating storage unit is connected with the vehicle-mounted controller and/or the vehicle-mounted TBOX, and the circulating storage unit is used for acquiring data to be transmitted from the vehicle-mounted controller and/or acquiring data to be transmitted from the vehicle-mounted TBOX.
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| CN202211005647.4A CN115361667A (en) | 2022-08-22 | 2022-08-22 | Electric vehicle data classification variable frequency transmission method, device and system |
| PCT/CN2023/089810 WO2024041004A1 (en) | 2022-08-22 | 2023-04-21 | Method, apparatus and system for classification and variable-frequency transmission of electric vehicle data |
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| CN202211005647.4A CN115361667A (en) | 2022-08-22 | 2022-08-22 | Electric vehicle data classification variable frequency transmission method, device and system |
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| WO2024041004A1 (en) | 2024-02-29 |
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