CN115695072A - Vehicle-end battery sensing data compatible transmission method, system, equipment and medium - Google Patents
Vehicle-end battery sensing data compatible transmission method, system, equipment and medium Download PDFInfo
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Abstract
The application provides a vehicle-end battery sensing data compatible transmission method, system, equipment and medium, including: sampling the state of the whole vehicle to obtain a local area network signal of the controller; and calling a corresponding analysis protocol according to a data source of the controller local area network signal to analyze the controller local area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor. The method and the device can be effectively compatible with different sensor types, and data management is facilitated.
Description
Technical Field
The application relates to the field of battery management, in particular to a vehicle-end battery sensing data compatible transmission method, system, equipment and medium.
Background
At present, because sensor models such as a current sensor and a voltage sensor are various, and protocol IDs are different, contents are also different, and codes for being compatible with different sensor models need to be specially configured when software is developed, which undoubtedly increases workload of software development and operation difficulty of developers.
In addition, the maximum number of the single cell voltage transmission of a Controller Area Network (CAN) signal is 168, and if the number of the single cells of the battery is different, different general voltage transmission numbers need to be configured, so that different software versions are caused, and management is not facilitated.
Disclosure of Invention
In view of the problems existing in the prior art, the application provides a vehicle-end battery sensing data compatible transmission method, system, device and medium, and mainly solves the problem of difficult compatibility due to diversification of sensors.
In order to achieve the above and other objects, the present application adopts the following technical solutions.
The application provides a vehicle end battery sensing data compatible transmission method, which comprises the following steps:
sampling the state of the whole vehicle to obtain a local area network signal of the controller;
and calling a corresponding analysis protocol according to a data source of the controller local area network signal to analyze the controller local area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor.
In an embodiment of the present application, before sampling the entire vehicle state, the method further includes:
dividing the vehicle-end battery chips according to a preset dividing task to determine the maximum chip data volume required to be acquired by each dividing plate;
carrying out assignment reservation according to the maximum chip data volume, and determining the reserved voltage acquisition quantity and the temperature acquisition quantity;
and generating multi-frame messages of the controller local area network signals according to the reserved voltage acquisition quantity and the reserved temperature acquisition quantity.
In an embodiment of the present application, generating the multi-frame message of the controller area network signal according to the reserved voltage collection number and the reserved temperature collection number includes:
and determining the number of the voltage message frames to be sent according to the reserved voltage acquisition number and the number of the single voltages sent by each frame of message.
In an embodiment of the application, the number of the voltage message frames to be sent is determined according to the reserved voltage acquisition number and the number of the monomer voltages sent by each frame of message;
dividing the reserved voltage acquisition number by the monomer voltage number sent by each frame of message to obtain a remainder and a quotient value;
if the remainder is zero, the number of the message frames which need to be sent by the monomer voltage is the quotient value;
and if the remainder is not zero, the number of the message frames which need to be sent by the monomer voltage is the quotient plus one.
In an embodiment of the present application, before invoking a corresponding parsing protocol according to a data source of the controller area network signal to parse the controller area network signal, the method further includes:
and determining a data source of the controller area network signal according to a preset identification code in the controller area network signal.
In an embodiment of the present application, invoking a corresponding parsing protocol according to a data source of the controller area network signal to parse the controller area network signal includes:
if the data source is a current sensor, determining the type of the current sensor according to a current sensor identification code preset in the controller local area network signal;
and calling a corresponding preset analysis protocol according to the type of the current sensor to analyze the controller local area network signal corresponding to the current sensor.
In an embodiment of the present application, invoking a corresponding parsing protocol according to a data source of the controller area network signal to parse the controller area network signal includes:
if the data source is a pressure sensor, analyzing the state of the controller area network signal corresponding to the pressure sensor according to the message content in the controller area network signal, and if the state of the controller area network signal corresponding to any one of two frames of message content is normal, determining that the state of the controller area network signal corresponding to the pressure sensor is normal; if the controller area network signal states corresponding to the two frames of message contents are continuous frame loss at the same time, determining that the controller area network signal state corresponding to the pressure sensor is continuous frame loss; and otherwise, determining that the signal state of the controller area network corresponding to the pressure sensor is the broken needle and frame loss.
The application also provides a compatible transmission system of car end battery sensing data, includes:
the sampling module is used for sampling the state of the whole vehicle to acquire a controller local area network signal;
and the transmission and analysis module is used for calling a corresponding analysis protocol according to a data source of the controller local area network signal to analyze the controller local area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor.
The present application further provides a computer device, comprising: the device comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of the vehicle-end battery sensing data compatible transmission method when executing the computer program.
The application also provides a computer readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the vehicle-end battery sensing data compatible transmission method.
As described above, the method, the system, the device and the medium for vehicle-end battery sensing data compatible transmission have the following advantages.
The method comprises the steps of sampling the state of the whole vehicle to obtain a local area network signal of a controller; and calling a corresponding analysis protocol according to a data source of the controller local area network signal to analyze the controller local area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor. According to the method and the device, the corresponding analysis protocols of different data sources are called to analyze the signals, so that the data compatibility of different types of sensors is realized, the number of software versions is reduced, and the sampled data is convenient to manage.
Drawings
Fig. 1 is a schematic flowchart of a method for transmitting vehicle-end battery sensing data compatibly according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an analysis protocol corresponding to the current sensor types CAB500 and CSNV honeywell in an embodiment of the present application.
Fig. 3 is a schematic diagram of an analysis protocol corresponding to the case where the current sensor type is CAB1500 in an embodiment of the present application.
Fig. 4 is a schematic diagram of a corresponding resolution protocol when the current sensor is a current divider according to an embodiment of the present application.
Fig. 5 is a block diagram of a vehicle-end battery sensing data compatible transmission system according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The application is capable of other and different embodiments and its several details are capable of modifications and various changes in detail without departing from the spirit of the application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, the type, quantity and proportion of each component in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present application provides a method for compatible transmission of vehicle-end battery sensing data, which includes the following steps.
And step S100, sampling the whole vehicle state and acquiring a controller local area network signal.
In one embodiment, the vehicle state can be sampled by a sensor at the vehicle end. The sensors include current sensors, voltage sensors, temperature sensors, pressure sensors, etc.
In one embodiment, before sampling the vehicle state, the method further comprises the following steps:
and S101, dividing the vehicle-end battery chips according to a preset dividing task to determine the maximum chip data volume required to be collected by each dividing plate.
In one embodiment, the task of the sub-board is usually 50ms, and the sub-board collects assignment and reserves assignment according to data of 10 chips at most.
And S102, assigning and reserving according to the maximum chip data volume, and determining the reserved voltage acquisition quantity and the temperature acquisition quantity.
In one embodiment, the board-divided acquisition assignment is reserved according to the assignment of the maximum 10 chips, and 140 single voltage acquisitions and 50 temperature acquisitions are reserved.
And step S103, generating multi-frame messages of the controller area network signals according to the reserved voltage acquisition quantity and temperature acquisition quantity.
In one embodiment, the number of the temperatures is 50 temperature sending messages (note: each frame can send 64 temperature signals at most, and only one frame of messages is needed to send out all the temperatures within 10 chips).
In an embodiment, generating the multi-frame message of the controller area network signal according to the reserved number of voltage acquisitions and the number of temperature acquisitions includes:
and determining the number of the voltage message frames to be sent according to the reserved voltage acquisition number and the number of the monomer voltages sent by each frame of message.
In an embodiment, the number of voltage message frames to be sent is determined according to the reserved voltage acquisition number and the number of monomer voltages sent by each frame of message;
dividing the reserved voltage acquisition number by the monomer voltage number sent by each frame of message to obtain a remainder and a quotient value;
if the remainder is zero, the number of the message frames which need to be sent by the monomer voltage is the quotient value;
if the remainder is not zero, the number of the message frames which need to be sent by the monomer voltage is the quotient plus one
Specifically, the number of the cell voltages required to be sent is determined according to the number of the calibration quantity cell voltages divided by the number of the cell voltages (32) sent per frame.
Dividing the total number of the single voltages needing to be sent by 32 to obtain the remainder and the quotient;
when the remainder is 0, the number of frames that the cell voltage needs to send is a quotient value, and when the remainder is not 0, the number of frames that the cell voltage needs to send is a quotient value +1.
And S110, calling a corresponding analysis protocol according to a data source of the controller area network signal to analyze the controller area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor.
In an embodiment, before invoking a corresponding parsing protocol according to a data source of the controller area network signal to parse the controller area network signal, the method further includes:
and determining a data source of the controller area network signal according to a preset identification code in the controller area network signal.
Specifically, the controller area network signal may include an identification code of a data source, and the data source corresponding to the identification code is determined by reading the identification code and comparing the identification code with data in a predetermined identification code data table.
In an embodiment, invoking a corresponding parsing protocol to parse the controller area network signal according to a data source of the controller area network signal includes:
if the data source is a current sensor, determining the type of the current sensor according to a current sensor identification code preset in the controller local area network signal;
and calling a corresponding preset analysis protocol according to the type of the current sensor to analyze the controller local area network signal corresponding to the current sensor.
Specifically, for signal compatibility of the current sensors, a current sensor protocol ID is consistent, data content is inconsistent, and when the types of the current sensors are different, a current sensor type signal snsrc _ type _ CurSnsr is added, wherein 1 is CAB500,2 is CSNV Hoynewel, 3 is CAB1500,4 is a shunt, and 5 is a heaven and earth current sensor. Referring to fig. 2-4 in detail, fig. 2 is a schematic diagram of an analysis protocol corresponding to the current sensor types CAB500 and CSNV honeywell in an embodiment of the present application. Fig. 3 is a schematic diagram of an analysis protocol corresponding to the case where the current sensor type is CAB1500 in an embodiment of the present application. Fig. 4 is a schematic diagram of a corresponding resolution protocol when the current sensor is a current divider according to an embodiment of the present application.
In one embodiment. Calling a corresponding analysis protocol according to the data source of the controller area network signal to analyze the controller area network signal, wherein the analysis protocol comprises the following steps:
if the data source is a pressure sensor, analyzing the state of the controller area network signal corresponding to the pressure sensor according to the message content in the controller area network signal, and if the state of the controller area network signal corresponding to any one of two frames of message content is normal, determining that the state of the controller area network signal corresponding to the pressure sensor is normal; if the controller area network signal states corresponding to the two frames of message contents are continuous frame loss at the same time, determining that the controller area network signal state corresponding to the pressure sensor is continuous frame loss; and if the other conditions are met, determining that the signal state of the controller local area network corresponding to the pressure sensor is the needle breakage and frame loss.
For signal compatibility of the pressure sensors, when the protocol IDs (0 x310 or 0x 318) are inconsistent, a message consistency mode is adopted for compatibility. The status of the receiving status of the pressure sensor message (intranet 0x310 or 0x 318) includes: 0-normal; 1-short frame loss (three periods of frame loss in the underlying diagnostics); 2-continuous frame loss (underlying diagnostic frame loss 55 cycles). When a 0x310 message or a 0x318 message is received, setting the controller area network signal state of the pressure sensor to be 0; when no 0x310 or 0x318 message is received, the controller area network signal status of the pressure sensor is set to 1 or 2.
Specifically, when the CAN states of two frame messages are 2 at the same time during diagnosis, the CAN state of the pressure sensor is set to be 2; when the state of any frame in the two-frame message is 0, setting the CAN state of the pressure sensor to be 0; in other states, the CAN state of the pressure sensor is set to 1.
Based on the technical scheme, the current sensor protocols ID are consistent, and the data content is inconsistent; pressure sensors with inconsistent IDs (0 x310 and 0x 318) and consistent message content can realize software compatibility; and the transmitted single voltage quantity is identified according to the calibrated quantity of the single voltage, so that the compatibility of different single battery packages and software is realized, the software version quantity is reduced, and the software management is facilitated.
Referring to fig. 5, the present embodiment provides a vehicle-end battery sensing data compatible transmission system, which is configured to execute the vehicle-end battery sensing data compatible transmission method in the foregoing method embodiment. Since the technical principle of the system embodiment is similar to that of the method embodiment, repeated description of the same technical details is omitted.
In one embodiment, a vehicle end battery sensing data compatible transmission system includes: the sampling module 10 is used for sampling the state of the whole vehicle to obtain a controller local area network signal; and the transmission and analysis module 11 is configured to invoke a corresponding analysis protocol according to a data source of the controller area network signal to analyze the controller area network signal, so as to obtain analysis data, and perform vehicle-end battery management according to the analysis data, where the data source includes a current sensor and a voltage sensor.
The embodiment of the application also provides a device for compatible transmission of vehicle-end battery sensing data, which can comprise: one or more processors; and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the method of fig. 1. In practical applications, the device may be used as a terminal device, and may also be used as a server, where examples of the terminal device may include: smart phones, tablet computers, electronic book readers, MP3 (moving Picture Experts Group Audio Layer III) players, MP4 (moving Picture Experts Group Audio Layer IV) players, laptop portable computers, car-mounted computers, desktop computers, set-top boxes, smart televisions, wearable devices, and the like, and the embodiments of the present application are not limited to specific devices.
A machine-readable medium is provided, where one or more modules (programs) are stored in the medium, and when the one or more modules are applied to a device, the device may execute instructions (instructions) included in the method for compatible transmission of vehicle-end battery sensor data in fig. 1 according to the embodiment of the present application. A machine-readable medium may be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
Referring to fig. 6, the present embodiment provides a device 80, and the device 80 may be a desktop computer, a portable computer, a smart phone, or the like. In detail, the device 80 comprises at least, connected by a bus 81: a memory 82 and a processor 83, wherein the memory 82 is used for storing computer programs, and the processor 83 is used for executing the computer programs stored in the memory 82 to execute all or part of the steps of the foregoing method embodiments.
The above-mentioned system bus may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The system bus may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus. The communication interface is used for realizing communication between the database access device and other equipment (such as a client, a read-write library and a read-only library). The Memory may include a Random Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (10)
1. A vehicle end battery sensing data compatible transmission method is characterized by comprising the following steps:
sampling the state of the whole vehicle to obtain a local area network signal of the controller;
and calling a corresponding analysis protocol according to a data source of the controller area network signal to analyze the controller area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor.
2. The vehicle-end battery sensing data compatible transmission method according to claim 1, further comprising, before sampling the entire vehicle state:
dividing the vehicle-end battery chips according to a preset board dividing task to determine the maximum chip data volume required to be acquired by each board dividing task;
performing assignment reservation according to the maximum chip data volume, and determining the reserved voltage acquisition quantity and the temperature acquisition quantity;
and generating multi-frame messages of the controller area network signals according to the reserved voltage acquisition quantity and the reserved temperature acquisition quantity.
3. The vehicle-end battery sensing data compatible transmission method according to claim 1, wherein generating the multi-frame message of the controller area network signal according to the reserved voltage acquisition number and temperature acquisition number comprises:
and determining the number of the voltage message frames to be sent according to the reserved voltage acquisition number and the number of the single voltages sent by each frame of message.
4. The vehicle-end battery sensing data compatible transmission method according to claim 3, wherein the number of voltage message frames to be sent is determined according to the reserved voltage acquisition number and the number of monomer voltages sent by each frame of message;
dividing the reserved voltage acquisition number by the monomer voltage number sent by each frame of message to obtain a remainder and a quotient value;
if the remainder is zero, the number of the message frames which need to be sent by the monomer voltage is the quotient value;
and if the remainder is not zero, the number of the message frames which need to be sent by the monomer voltage is the quotient plus one.
5. The vehicle-end battery sensing data compatible transmission method according to claim 1, wherein before invoking a corresponding parsing protocol to parse the controller area network signal according to the data source of the controller area network signal, the method further comprises:
and determining the data source of the controller area network signal according to the preset identification code in the controller area network signal.
6. The vehicle-end battery sensing data compatible transmission method according to claim 1, wherein the step of analyzing the controller area network signal by calling a corresponding analysis protocol according to a data source of the controller area network signal includes:
if the data source is a current sensor, determining the type of the current sensor according to a current sensor identification code preset in the controller local area network signal;
and calling a corresponding preset analysis protocol according to the type of the current sensor to analyze the controller local area network signal corresponding to the current sensor.
7. The vehicle-end battery sensing data compatible transmission method according to claim 1, wherein the step of analyzing the controller area network signal by calling a corresponding analysis protocol according to a data source of the controller area network signal comprises the steps of:
if the data source is a pressure sensor, analyzing the state of the controller area network signal corresponding to the pressure sensor according to the message content in the controller area network signal, and if the state of the controller area network signal corresponding to any one of two frames of message content is normal, determining that the state of the controller area network signal corresponding to the pressure sensor is normal; if the controller area network signal states corresponding to the two frames of message contents are continuous frame loss at the same time, determining that the controller area network signal state corresponding to the pressure sensor is continuous frame loss; and otherwise, determining that the signal state of the controller area network corresponding to the pressure sensor is the broken needle and frame loss.
8. A vehicle-end battery sensing data compatible transmission system is characterized in that,
the sampling module is used for sampling the state of the whole vehicle to acquire a controller local area network signal;
and the transmission and analysis module is used for calling a corresponding analysis protocol according to a data source of the controller local area network signal to analyze the controller local area network signal to obtain analysis data, and managing a vehicle-end battery according to the analysis data, wherein the data source comprises a current sensor and a voltage sensor.
9. A computer device, comprising: the memory, the processor and the computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the vehicle-end battery sensing data compatible transmission method according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the vehicle-end battery sensing data compatible transmission method according to any one of claims 1 to 7.
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