CN116224871A - Vehicle data acquisition and processing device - Google Patents
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Abstract
The embodiment of the application discloses a vehicle data acquisition and processing device, includes: the system comprises an acquisition module, a singlechip, a data interface connector and a data post-processing module; the acquisition module acquires the whole vehicle data and transmits the data to the singlechip through the I/O interface; the singlechip processes the whole vehicle data and transmits the processed whole vehicle data to the upper computer; the data interface connector connects the singlechip and the upper computer with the domain controller to realize data refreshing and/or data reading of the domain controller; and the data post-processing module performs data post-processing on the whole vehicle data and performs data interaction with preset software. According to the embodiment, the hardware integration level is improved, the redundancy of equipment and the wiring harness arrangement are reduced, the cost is saved, the data acquisition and the data refreshing function can be integrated into a single hardware system, the on-board and off-line data refreshing are realized, and the flexible configuration is carried out according to the controllers in different domains; the multi-channel data can be subjected to deep fusion, and the data processing efficiency is greatly improved.
Description
Technical Field
The embodiment of the application relates to a vehicle data processing technology, in particular to a vehicle data acquisition and processing device.
Background
Along with the increase of the complexity of the whole vehicle control, the information acquisition and processing requirements on the vehicle are increasing.
First, a number of different types of signals need to be acquired and detected on board. For example, cabin temperature needs to be detected to sense temperature changes within the cabin; detecting the atmospheric pressure and humidity so as to enable the vehicle engine to adapt to different pressures and humidities; the voltage of the electrical harness and the PWM (pulse width modulation) signal of the corresponding sensor or actuator are detected to ensure that each sensor or actuator is functioning properly.
The existing information acquisition solutions at present are: different signal information is acquired through different hardware devices and is transmitted to the upper computer software, and data fusion is carried out in the software, so that the upper computer software needs to have the capability of multichannel data processing. The scheme has simple structure, more hardware devices and complex circuits.
Second, the controller data needs to be refreshed and updated online or offline. In the whole vehicle configuration, the wire harness stitch definitions of different controllers are different in standard, so that a special brushing tool is required to be manufactured for brushing, and the method is inconvenient to expand to other vehicle types or controllers.
Furthermore, after corresponding data are acquired, the data are required to be processed and fused so as to obtain the comprehensive information of the whole vehicle and guide the subsequent control work. As described above, the data formats are more because the signal is collected by a plurality of devices, and different upper computer software is adopted during the collection. The data can be analyzed by different software, problems can be found and handled empirically, and the data processing efficiency is low.
Disclosure of Invention
The embodiment of the application provides a vehicle data acquisition and processing device, which can improve the hardware integration level, reduce the redundancy of equipment and harness arrangement, save the cost, integrate the functions of data acquisition, brushing and the like into a single hardware system, realize on-vehicle and off-line data brushing and the like, and flexibly configure according to different domain controllers; the multi-channel data can be subjected to deep fusion, and the data processing efficiency is greatly improved.
The embodiment of the application provides a vehicle data acquisition and processing device, which can comprise: the system comprises an acquisition module, a singlechip, a data interface connector and a data post-processing module;
the acquisition module is used for acquiring whole vehicle data and transmitting the data to the singlechip through an input/output (I/O) interface;
the singlechip is used for processing the whole vehicle data and transmitting the processed whole vehicle data to the upper computer;
the data interface connector is used for connecting the singlechip and the upper computer with a domain controller to realize data refreshing and/or data reading of the domain controller;
and the data post-processing module is connected with the upper computer, performs data post-processing on the received whole vehicle data and performs data interaction with preset software.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing apparatus may further include: the upper computer is connected with the module;
the upper computer connection module is arranged as a connection module between the data interface connector and the singlechip and the upper computer.
In an exemplary embodiment of the present application, the upper computer connection module is connected to the data interface connector, and/or the upper computer connection module is connected to the single chip microcomputer through a bus network.
In an exemplary embodiment of the present application, when the upper computer connection module is connected to the single chip microcomputer through a bus network, the vehicle data collecting and processing device may further include: a bus transceiver;
the bus transceiver is respectively connected with the upper computer connection module and a bus controller carried by the singlechip, so that bus communication between the upper computer connection module and the singlechip is realized.
In an exemplary embodiment of the present application, the preset software includes Matlab software;
the data post-processing includes any one or more of the following: file format conversion, data classification, data lookup, data screening, frequency unification, and graphical display.
In an exemplary embodiment of the present application, the singlechip selects a C8051F060 chip.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing apparatus may further include: a display module; the display module is connected with the singlechip;
and the display module is used for displaying the related information of the whole vehicle data.
In an exemplary embodiment of the present application, the display module is provided with a control switch;
different control switches are arranged to control the display and closing of related information of different whole vehicle data.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing apparatus may further include: a power management module;
the power management module is arranged to provide power for the acquisition module and the singlechip.
In an exemplary embodiment of the present application, the acquisition module may include any one or more of the following: the system comprises a temperature sensor module, an ambient pressure sensor module, an ambient humidity sensor module, a voltage acquisition module and a Pulse Width Modulation (PWM) signal acquisition module.
Compared with the related art, the vehicle data acquisition and processing device of the embodiment of the application may include: the system comprises an acquisition module, a singlechip, a data interface connector and a data post-processing module; the acquisition module can be used for acquiring whole vehicle data and transmitting the data to the singlechip through an input/output (I/O) interface; the singlechip can be used for processing the whole vehicle data and transmitting the processed whole vehicle data to the upper computer; the data interface connector can be used for connecting the singlechip and the upper computer with a domain controller to realize data refreshing and/or data reading of the domain controller; and the data post-processing module is connected with the upper computer, performs data post-processing on the received whole vehicle data and performs data interaction with preset software. According to the embodiment, the hardware integration level is improved, the redundancy of equipment and the wiring harness arrangement are reduced, the cost is saved, the functions of data acquisition, refreshing and the like can be integrated into a single hardware system, the on-board and off-line data refreshing is realized, and the flexible configuration is carried out according to the controllers in different domains; and the deep fusion of the multichannel data is realized, and the data processing efficiency is greatly improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. Other advantages of the present application may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide an understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.
FIG. 1 is a block diagram of a vehicle data acquisition and processing device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a vehicle data acquisition and processing device according to an embodiment of the present application;
fig. 3 is a block diagram of a power management module according to an embodiment of the present application.
Detailed Description
The present application describes a number of embodiments, but the description is illustrative and not limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or in place of any other feature or element of any other embodiment unless specifically limited.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements of the present disclosure may also be combined with any conventional features or elements to form a unique inventive arrangement as defined in the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive arrangements to form another unique inventive arrangement as defined in the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be restricted except in light of the attached claims and their equivalents. Further, various modifications and changes may be made within the scope of the appended claims.
Furthermore, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other sequences of steps are possible as will be appreciated by those of ordinary skill in the art. Accordingly, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Furthermore, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
The embodiment of the application provides a vehicle data acquisition and processing device 1, as shown in fig. 1, may include: the system comprises an acquisition module 11, a singlechip 12, a data interface connector 13 and a data post-processing module 16;
the acquisition module 11 is configured to acquire whole vehicle data and perform data transmission to the singlechip 12 through an input/output (I/O) interface;
the singlechip 12 is configured to process the whole vehicle data and transmit the processed whole vehicle data to the upper computer 2;
the data interface connector 13 is configured to connect the singlechip 12 and the upper computer 2 with the domain controller 3, so as to implement data writing and/or data reading on the domain controller 3;
the data post-processing module 16 is configured to be connected to the upper computer 2, perform data post-processing on the received whole vehicle data, and perform data interaction with preset software.
The existing vehicle information acquisition scheme is known to be complex in measurement equipment and circuit, a controller brushing tool cannot adapt to a plurality of platforms, and after-treatment of data acquired by the plurality of equipment is complex, so that data analysis is affected.
In an exemplary embodiment of the present application, in order to solve the above technical problems, solutions are respectively provided in the hardware level and the software level in the embodiments of the present application.
In the exemplary embodiment of the application, on the hardware level, the scheme of the embodiment of the application provides a digital sensor measuring system (namely a vehicle data acquisition and processing device 1) based on a single chip microcomputer; on the software level, the embodiment proposal of the application provides a digital sensor measurement system based on the same star software and Matlab.
In the exemplary embodiment of the application, the embodiment of the application integrates information acquisition and data refreshing into one hardware platform according to the development requirement of the whole vehicle, and can acquire a plurality of channel information at the same time and transmit the information to the upper computer software. In addition, post-processing software is developed in a matched mode to rapidly process the collected data, so that the collected data of different channels can be fused, and rapid searching, displaying and classifying of the data are realized. The following describes embodiments of the present application in detail.
In the exemplary embodiment of the present application, as shown in fig. 2, the acquisition module 11 of the vehicle data acquisition and processing device 1 is configured to acquire the entire vehicle data and transmit the entire vehicle data to the single chip microcomputer 12.
In an exemplary embodiment of the present application, the acquisition module 11 may include, but is not limited to, any one or more of the following: a temperature sensor module 111, an ambient pressure sensor module 112, an ambient humidity sensor module 113, a voltage acquisition module 114, and a pulse width modulation PWM signal acquisition module 115.
In an exemplary embodiment of the present application, temperature, humidity, barometric pressure, voltage, PWM signal, etc. information may be measured by the acquisition module 11.
In an exemplary embodiment of the present application, data collection may be implemented using the same star software, which supports multi-channel CAN (Controller Area Network ) channel data collection, and the collection file may be parsed by a defined DBC (database) using a standard blf (binary logging format, binary format) format.
In the exemplary embodiment of the present application, the acquisition module 11 performs data transfer with the singlechip 12 through an I/O (input/output) interface of the singlechip 12.
In the exemplary embodiment of the present application, the singlechip 12 may select a C8051F060 chip.
The C8051F060 chip principle is integrated system-on-chip MCU (central processing unit) of mixed information, the chip has a high-speed 8051 microcontroller core and a pipeline instruction structure, 70% of instruction execution time is 1 or 2 system clock cycles, and the requirement of the whole vehicle on quick calculation can be met; the chip has 59 general I/O pins, 64KB Flash and 4532 bytes of internal data, can collect signals such as temperature and pressure, and can perform data processing (including filtering processing, data framing, data caching and the like) on the signals; meanwhile, the network communication with the upper computer is realized by using a Bosch controller local area network (CAN2.0B) of the chip.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 may further include: the upper computer connecting module 14;
the upper computer connection module 14 is configured to serve as a connection module between the data interface connector 13 and the singlechip 12 and the upper computer 2.
In the exemplary embodiment of the present application, the upper computer connection module 14 is connected to the data interface connector 13, and/or the upper computer connection module 14 is connected to the single chip microcomputer 12 through a bus network.
In an exemplary embodiment of the present application, the bus network may be a CAN bus network, as shown in fig. 2, where the CAN bus is a twisted pair including two twisted pairs of CAN HIGH and CAN LOW.
In an exemplary embodiment of the present application, when the host computer connection module 14 is connected to the single chip microcomputer 12 through a bus network, the vehicle data collecting and processing device 1 may further include: a bus transceiver 15;
the bus transceiver 15 is disposed between the upper computer connection module 14 and the single-chip microcomputer 12, and is configured to be respectively connected with the upper computer connection module 14 and a bus controller carried by the single-chip microcomputer 12, so as to implement bus communication between the upper computer connection module 14 and the single-chip microcomputer 12.
In the exemplary embodiment of the present application, after the information collected by the collection module 11 is processed such as filtering in the single-chip microcomputer, the whole vehicle data CAN be transmitted to the software of the upper computer through the CAN bus controller of the single-chip microcomputer 12 and the bus transceiver 15 and the upper computer connection module 14.
In the exemplary embodiment of the present application, the upper computer connection module 14 may access the CAN network of other domain controllers through the data interface connector 13, and may perform data writing and data reading on the other domain controllers.
In an exemplary embodiment of the present application, the data interface connector 13 may select a D-type data interface connector, for example, a DB9 interface may be selected.
In the exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 may configure a standard DB9 interface, and may access the CAN network of the domain controller to implement the data writing and acquisition functions.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 may further include: a display module 17; the display module 17 is connected with the singlechip 12;
the display module 17 is configured to display information related to the whole vehicle data.
In the exemplary embodiment of the present application, the display module 17 is provided with a control switch 171;
the different control switches 171 are provided to control the display and closing of the related information of the different vehicle data.
In an exemplary embodiment of the present application, the display module 17 is capable of displaying a variety of data including, but not limited to, temperature, humidity, pressure, and voltage; different data are respectively displayed through different display units, and each display unit can be controlled by a control switch 171 (which can be a control button), so that the current sensor information parameters can be displayed in real time.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 may further include: a power management module 18;
the power management module 18 is configured to provide power to the acquisition module 11 and the singlechip 12.
In an exemplary embodiment of the present application, as shown in fig. 3, the power management module 18 may include a 5V conversion module 181, a 3.3V conversion module 182, and a 5V isolation module 183, which mainly converts the vehicle-mounted 12V power supply into a 5V or 3.3V power supply, and provides power for the sensor and the singlechip. Since the CAN driver and optocoupler require a 5V power supply that is not common to the previous power supply, one 5V power supply is isolated by the 5V isolation module 183 alone as a CAN communication circuit.
After the corresponding data are acquired, the data are required to be processed and fused so as to obtain the comprehensive information of the whole vehicle and guide the subsequent control work. In the existing data acquisition solution, a plurality of devices are used for signal acquisition, and different upper computer software is adopted during acquisition, so that the data format is more, the data can be analyzed by using different software, the problems can be found and processed according to experience, and the data processing efficiency is lower.
In the exemplary embodiment of the application, in order to solve the problems that the post-processing of the data collected by multiple devices in the traditional scheme is complicated and the data analysis is affected, the scheme of the embodiment of the application develops matched data processing software for hardware and can deeply fuse the data of multiple channels.
In an exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 may further include: a data post-processing module 16;
the data post-processing module 16 is arranged to be connected with the upper computer 2, performs data post-processing on the received whole vehicle data and performs data interaction with preset software;
the preset software may include Matlab software;
the data post-processing includes any one or more of the following: file format conversion, data classification, data lookup, data screening, frequency unification, and graphical display.
In the exemplary embodiment of the present application, the vehicle data acquisition and processing device 1 can quickly process information, graphically display, and interact with software such as Matlab by using a matched data post-processing module 16 (which can be implemented by data post-processing software).
In an exemplary embodiment of the present application, the data post-processing software may be developed by Matlab, first, the file blf (temporary backup file) is converted into the mat format (standard format of data storage of Matlab) by using the sampson software, and then the data may be classified, searched, screened and frequency unified, and may be exported in the Excel format.
In exemplary embodiments of the present application, at least the following advantages are included:
1. on the hardware level, a set of digital sensor measurement system based on a singlechip is provided, and the system CAN process data such as temperature, pressure, humidity and the like and realize data transmission through a CAN bus network. Meanwhile, the system is provided with a standard DB9 interface, CAN be connected to a CAN network of the domain controller, and realizes the functions of data writing and collecting.
2. On the software level, the data is collected by using the samsung software and stored in a blf format. And the Matlab is utilized to develop post-processing software, data of the blf file can be extracted, processed and displayed, an operation interface is simple and clear, data interaction with the Matlab can be carried out, and the data mining of a deeper level is carried out by utilizing the powerful data processing capability of the Matlab.
3. In order to solve the problems of multiple measuring devices and complex circuits in the traditional scheme, the scheme integrates a plurality of hardware devices into a single measuring device, has high hardware integration level, can collect a plurality of sensor information, integrates functions of data collection, writing and the like into a single hardware system, reduces redundancy of the devices and wiring harness arrangement, and saves cost.
4. In order to solve the problem that a traditional scheme controller refreshing tool cannot adapt to a plurality of platforms, the scheme of the embodiment of the application is provided with a standard DB interface, CAN be connected to a CAN network of a domain controller, realizes the functions of refreshing and collecting data, realizes the functions of on-vehicle and off-line data refreshing, and CAN be flexibly configured according to different domain controllers.
5. In order to solve the problems that the post-processing of data collected by multiple devices in the traditional scheme is complicated and the data analysis is affected, the scheme of the embodiment of the application develops matched data processing software for hardware, can deeply fuse the data of multiple channels, provides a visual operation interface and greatly improves the data processing efficiency.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the apparatus, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
Claims (10)
1. A vehicle data acquisition and processing device, comprising: the system comprises an acquisition module, a singlechip, a data interface connector and a data post-processing module;
the acquisition module is used for acquiring whole vehicle data and transmitting the data to the singlechip through an input/output (I/O) interface;
the singlechip is used for processing the whole vehicle data and transmitting the processed whole vehicle data to the upper computer;
the data interface connector is used for connecting the singlechip and the upper computer with a domain controller to realize data refreshing and/or data reading of the domain controller;
and the data post-processing module is connected with the upper computer, performs data post-processing on the received whole vehicle data and performs data interaction with preset software.
2. The vehicle data acquisition and processing device of claim 1, further comprising an upper computer connection module;
the upper computer connection module is arranged as a connection module between the data interface connector and the singlechip and the upper computer.
3. The vehicle data acquisition and processing device according to claim 2, wherein the upper computer connection module is connected with the data interface connector and/or the upper computer connection module is connected with the single chip microcomputer through a bus network.
4. The vehicle data acquisition and processing device according to claim 3, wherein when the host computer connection module and the single chip microcomputer are connected through a bus network, the vehicle data acquisition and processing device further comprises: a bus transceiver;
the bus transceiver is respectively connected with the upper computer connection module and a bus controller carried by the singlechip, so that bus communication between the upper computer connection module and the singlechip is realized.
5. The vehicle data acquisition and processing device according to any one of claims 1 to 4, characterized in that,
the data post-processing includes any one or more of the following: file format conversion, data classification, data lookup, data screening, frequency unification, and graphical display.
6. The vehicle data acquisition and processing device of any one of claims 1-4, wherein the single chip microcomputer selects a C8051F060 chip.
7. The vehicle data acquisition and processing device of any one of claims 1-4, further comprising a display module; the display module is connected with the singlechip;
and the display module is used for displaying the related information of the whole vehicle data.
8. The vehicle data acquisition and processing device according to claim 7, wherein the display module is provided with control switches, and different control switches are arranged to control the display and closing of information related to different vehicle data.
9. The vehicle data acquisition and processing device according to any one of claims 1 to 4, characterized by further comprising: a power management module;
the power management module is arranged to provide power for the acquisition module and the singlechip.
10. The vehicle data acquisition and processing device of any one of claims 1-4, wherein the acquisition module includes any one or more of: the system comprises a temperature sensor module, an ambient pressure sensor module, an ambient humidity sensor module, a voltage acquisition module and a Pulse Width Modulation (PWM) signal acquisition module.
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| CN202310198106.6A CN116224871A (en) | 2023-03-03 | 2023-03-03 | Vehicle data acquisition and processing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117573709A (en) * | 2023-10-23 | 2024-02-20 | 昆易电子科技(上海)有限公司 | Data processing system, electronic device, and medium |
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| CN117573709A (en) * | 2023-10-23 | 2024-02-20 | 昆易电子科技(上海)有限公司 | Data processing system, electronic device, and medium |
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