CN105034808B - A kind of full virtual car instrument system of dual system, method of work and automobile - Google Patents
A kind of full virtual car instrument system of dual system, method of work and automobile Download PDFInfo
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- CN105034808B CN105034808B CN201510342616.1A CN201510342616A CN105034808B CN 105034808 B CN105034808 B CN 105034808B CN 201510342616 A CN201510342616 A CN 201510342616A CN 105034808 B CN105034808 B CN 105034808B
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Abstract
The present invention relates to a kind of full virtual car instrument system of dual system, method of work and the automobile for installing the system, the full virtual car instrument system of this dual system includes：The main processor modules of Built In Operating System, graphical interfaces from automobile virtual instrument to image module and vehicle condition data for providing, to be shown by display module；MCU module and image module is aided in be used for simultaneously detection main processor modules working condition in real time, when judging main processor modules without response, to be sent vehicle condition data to image module by auxiliary MCU module and be shown for display module；The present invention is after judging that main processor modules crash, main processor modules are replaced to include corresponding travelling data on virtual meter panel by auxiliary MCU module, checked for driver, and main processor modules are reactivated on backstage, effectively avoid causing virtual instrument can not obtain vehicle operation data because Built In Operating System crashes（Travelling data）Technical problem.
Description
Technical field
The present invention relates to a kind of virtual instrument, more particularly to a kind of full virtual car instrument system of dual system, method of work
And the automobile of the system is installed.
Background technology
In automobile instrument field, typically using for example mechanical instrument of traditional instrument or the pointer instrument with LCDs
Dial plate etc., but only show the vehicle parameter about driving states.Also many automobile instrument production firms develop virtual instrument,
I.e. using the main processor modules for being built-in with operating system, touch control operation is carried out by touch-screen and parameter is shown.
Because vehicle intellectualized degree is improved, the traveling of automobile all the more relies on the work of vehicle-mounted computer, although processor die
Operating system stability built in block is preferable, it is not easy to which the phenomenon such as occur crashing, but this low probability event is driven once occurring
The person of sailing is that can not obtain vehicle operation data, causes to lose control of one's vehicle, to cause traffic accident.
The content of the invention
It is an object of the invention to provide a kind of full virtual car instrument system of dual system and its method of work, to solve to be expert at
During car, if main processor modules are without response, traditional full virtual car instrument system can not show travelling data, Yi Zao
Into technical problem to lose control of one's vehicle, and system erroneous judgement is effectively prevented, cause system frequently to restart activation.
In order to solve the above-mentioned technical problem, the invention provides a kind of full virtual car instrument system of dual system, including：It is interior
The main processor modules of operating system are put, graphical interfaces from automobile virtual instrument to image module and vehicle condition number for providing
According to be shown by display module；MCU module and image module is aided in be used for simultaneously detection main processor modules work shape in real time
State, when judging main processor modules without response, to be sent vehicle condition data to image module for aobvious by auxiliary MCU module
Show that module is shown.
Further, the auxiliary MCU module uses single-chip microcomputer, and described image module is also connected with a Flash modules, should
Flash modules are stored with the graphical interfaces of automobile virtual instrument；After main processor modules are judged without response, it will be connect by single-chip microcomputer
The vehicle condition data entered are sent to image module, and described image module is by vehicle condition data combination graphical interfaces in display mould
Shown in block.
Further, described image module or single-chip microcomputer are further adapted for activating the main processor modules without response, and in main process task
After device module activation, vehicle condition data are received by the main processor modules, and with regard to vehicle condition data and figure circle
Face is sent to image module, to be shown by display module；Meanwhile, described image module stops receiving the automobile from single-chip microcomputer
Status data.
Another aspect, present invention also offers a kind of method of work of the full virtual car instrument system of dual system, i.e., when auxiliary
MCU module and image module are helped while judging to be adapted to provide for virtual instrument graphical interfaces and the primary processor mould of vehicle condition data
When block is without response, it is supplied to display module to show vehicle condition data by auxiliary MCU module.
Further, the main processor modules Built In Operating System and the graphical interfaces of automobile virtual instrument is adapted to provide for,
And the vehicle condition data for being received it and the graphical interfaces are sent to image module, image module driving display module is shown
Graphical interfaces and the vehicle condition data.
Further, by aiding in MCU module to include the method that vehicle condition data are supplied to display module to show：It is described
Auxiliary MCU module use single-chip microcomputer, the single-chip microcomputer is connected with image module, and the image module also with a Flash module phases
Even, the Flash modules are stored with the graphical interfaces of automobile virtual instrument；After main processor modules are judged without response, by monolithic
Machine sends the vehicle condition data of access to image module, and described image module exists vehicle condition data combination graphical interfaces
Shown in display module.
Further, described image module or single-chip microcomputer are further adapted for activating the main processor modules without response, and in main process task
After device module activation, vehicle condition data are received by the main processor modules, and with regard to vehicle condition data and figure circle
Face is sent to image module, to be shown by display module；Meanwhile, described image module stops receiving the automobile from single-chip microcomputer
Status data.
Further, described image module and single-chip microcomputer judge main processor modules whether there is the method for response and included：The figure
As module and the single-chip microcomputer corresponding calculation formula of random generation, and corresponding calculation formula is respectively sent into primary processor mould respectively
Block, and corresponding result in is sent back to image module and single-chip microcomputer by main processor modules respectively, described image module and monolithic
Machine is respectively by corresponding from resulting in and the returning results of main processor modules is verified, if the result is differed,
Then judge main processor modules without response.
Further, described image module and single-chip microcomputer judge main processor modules whether there is the method for response and also included：If testing
The true fictitious time of result one is demonstrate,proved, is resulted in again waiting, if resulting in identical, the judgement master that resulted in last time herein
Processor module failure, the failure main processor modules are activated by described image module or single-chip microcomputer.
The third aspect, on the basis of the full virtual car instrument system of above-mentioned dual system, present invention also offers a kind of vapour
Car, the automobile is provided with the full virtual car instrument system of the dual system.
The beneficial effects of the invention are as follows, the present invention by aiding in quick, the stable advantage of MCU module, in image module and
Auxiliary MCU module judges that the main processor modules of Built In Operating System crash simultaneously after, primary processor is replaced by auxiliary MCU module
Module by corresponding travelling data include on virtual meter panel, checked for driver, and by image module on backstage again
Main processor modules are activated, enters without influenceing the driving experience of driver, in the case where driver has no to discover, completes master
Processor module fault detect, auxiliary MCU module are replaced, the process that main processor modules are restarted, and are effectively avoided due to built-in
Operating system, which crashes, causes virtual instrument can not obtain vehicle operation data（Travelling data）Technical problem, to tend to be intelligent
Driving system provide safety guarantee.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples；
Fig. 1 is the theory diagram of the full virtual car instrument system of dual system of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
Fig. 1 is the theory diagram of the full virtual car instrument system of dual system of the present invention.In figure, main processor modules and figure
As the four-headed arrow of module and auxiliary MCU module represents corresponding handshake respectively, individual event arrow represents that picture signal is transmitted.
As shown in figure 1, a kind of full virtual car instrument system of dual system of the present invention, including：The master of Built In Operating System
Processor module, graphical interfaces from automobile virtual instrument to image module and vehicle condition data for providing, to pass through display
Module is shown；MCU module and image module is aided in be used for simultaneously detection main processor modules working condition in real time, to judge to lead
When processor module is without response, vehicle condition data are sent to image module by auxiliary MCU module and shown for display module.
Wherein, main processor modules without response definition be main processor modules crash, Built In Operating System crash, system without
Response, processor are without responding, the phenomenon such as go offline.
The full virtual car instrument system of dual system of the present invention is to replace traditional machinery instrument to show by display module
Show that vehicle condition data, i.e. display module show virtual meter panel by graphical interfaces or graphical interfaces.
Specifically, the main processor modules, auxiliary MCU module are connected with the data-interface of car running computer, to obtain vapour
Car status data.Vehicle condition data are such as, but not limited to onboard sensor data, driving states data, i.e. oil consumption, speed, tire
The data such as pressure, engine speed, water temperature.The display module is such as, but not limited to use LCDs（1920 720 points of x
The LCD of resolution）, touch-screen.
Further, the main processor modules are adapted to provide for the graphical interfaces of automobile virtual instrument（The graphic interface is for example
But it is not limited to use 3D interfaces, 2D interfaces）, and the vehicle condition data that it is received and the graphical interfaces sent to the figure
As module, so that display module is shown.The main processor modules include：MCU units and GPU units, wherein, the GPU is mono-
Member supports the computing of 2D vector graphics and 3D graphics engines, and it such as, but not limited to uses iMx6 chip developments；The operation
System is such as, but not limited to using operating systems such as Linux, Android, WindowCE, apples.
Further, described image module is also connected with a Flash modules, and the Flash modules are stored with automobile virtual instrument
Graphical interfaces（The graphic interface uses 2D interfaces）；When main processor modules are without response, the auxiliary MCU module will be accessed
Vehicle condition data send to image module, described image module is by the vehicle condition data combination graphical interfaces in display
Shown in module.
Wherein, described image module is such as, but not limited to using modules such as FPGA, CPLD, and the auxiliary MCU module is for example
But be not limited to be free of operating system using single-chip microcomputer, FPGA, CPLD etc., and can quick response, stability is good, will not crash
Processing module.In order to further illustrate that this image module and auxiliary MCU module judge main processor modules without response（Crash）'s
The course of work, the auxiliary MCU module is chosen single-chip microcomputer and illustrated, i.e., fast, stable using single-chip microcomputer corresponding speed, no
The advantage that can be crashed.Specifically, when main processor modules cannot respond to（During deadlock）In time primary processor can be replaced to carry out
The processing of vehicle condition data display, does not interfere with the driving experience of driver, in the case where driver is not easy to discover, and completes
Switch between main processor modules and single-chip microcomputer.The method whether main processor modules crash is judged, for example with image module
Whether normal work by corresponding handshake examinations main processor modules to main processor modules with auxiliary MCU module,
If main processor modules are without response, judge that the main processor modules have crashed, then image module sends a request to the auxiliary
MCU module, the auxiliary MCU module replaces main processor modules to handle vehicle condition data, that is, sends to image module, for aobvious
Show that module is shown, the present invention uses dual judgement, i.e., it is true twice by image module and auxiliary MCU module and main processor modules
Recognize, effectively prevent erroneous judgement, it is to avoid because erroneous judgement causes main processor modules frequently to restart, influence travel safety.
Also, it can also verify whether main processor modules crash by calculating the result of algorithm, such as it is described
Image module and auxiliary MCU module（Single-chip microcomputer）The corresponding calculation formula of generation, such as 3+4-3,4+7-1 is simultaneously public by the calculation
Formula is sent to main processor modules, and main processor modules will result in and 4 and 10 send back to image module, and this image module will
Verified from the returning result 4 and 10 of result in 4 and 10 and main processor modules, see whether result is identical, to judge master
Whether processor is crashed, and calculating formula is randomly generated by image module, improves the reliability of automobile whole system.
Further, described image module or single-chip microcomputer are further adapted for activating the main processor modules without response, and in main process task
After device module activation, vehicle condition data are received by the main processor modules, and with regard to vehicle condition data and figure circle
Face is sent to image module, to be shown by display module；Meanwhile, described image module stops receiving the automobile from single-chip microcomputer
Status data, i.e. described image module receive the vehicle condition data from main processor modules.Specific activation primary processor mould
The method of block includes：Described image module or auxiliary MCU module input a reset signal to the reset terminal of main processor modules, make
It resets；If can not reset, the power supply module of main processor modules can be controlled to be opened after closing, make main processor modules weight
Open.
Embodiment 2
On the basis of embodiment 1, present invention also offers a kind of method of work of the full virtual car instrument system of dual system,
I.e. when simultaneously auxiliary MCU module and image module judge to be adapted to provide for the main place of virtual instrument graphical interfaces and vehicle condition data
When managing device module without response, it is supplied to display module to show vehicle condition data by auxiliary MCU module.Further, the master
Processor module Built In Operating System and the graphical interfaces for being adapted to provide for automobile virtual instrument, and the vehicle condition that it is received
Data and the graphical interfaces are sent to image module, and image module driving display module shows the graphical interfaces and vehicle condition
Data.
Further, by aiding in MCU module to include the method that vehicle condition data are supplied to display module to show：
The auxiliary MCU module uses single-chip microcomputer, and the single-chip microcomputer is connected with image module, and the image module is also with one
Flash modules are connected, and the Flash modules are stored with the graphical interfaces of automobile virtual instrument；When judgement main processor modules are without sound
Ying Hou, is sent the vehicle condition data of access to image module by single-chip microcomputer, and described image module is by vehicle condition data knot
Graphical interfaces is closed to show in display module.
Described image module or single-chip microcomputer are further adapted for activating the main processor modules without response, and swash in main processor modules
After work, by the main processor modules receive vehicle condition data, and with regard to vehicle condition data and the graphical interfaces send to
Image module, to be shown by display module；Meanwhile, described image module stops receiving the vehicle condition number from single-chip microcomputer
According to receive the vehicle condition data from main processor modules.Wherein, described image module stops receiving from single-chip microcomputer
The mode of vehicle condition data can use and set Port Priority rank, i.e., the figure transmitted main processor modules by image module
As the priority of data-interface is set to highest, when the image data interface is responded, the view data of auxiliary MCU module transmission
Interface is closed；Or the main processor modules after reactivating actively close auxiliary MCU module transmission view data.
Described image module and single-chip microcomputer judge main processor modules whether there is the method for response and included：Described image module and
The single-chip microcomputer corresponding calculation formula of random generation, and corresponding calculation formula is respectively sent to main processor modules, and main place respectively
Corresponding result in is sent back to image module and single-chip microcomputer by reason device module respectively, and described image module and single-chip microcomputer are respectively by phase
Result in certainly and the returning results of main processor modules answered are verified, if the result is differed, judge main place
Device module is managed without response.Specific handshake procedure has carried out related description in embodiment 1.
Also, described image module and single-chip microcomputer judge main processor modules whether there is the method for response and also included：If checking
As a result a true fictitious time, results in again waiting, and was resulted in last time identical if result in herein, judges main place
Device module failure is managed, the failure main processor modules are activated by described image module or single-chip microcomputer.
Embodiment 3
On the basis of embodiment 1, present invention also offers a kind of automobile, the automobile is provided with the complete virtual vapour of the dual system
Car instrument system.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (8)
1. a kind of full virtual car instrument system of dual system, it is characterised in that including：
The main processor modules of Built In Operating System, graphical interfaces from automobile virtual instrument to image module and automobile for providing
Status data, to be shown by display module；
MCU module and image module is aided in be used for simultaneously detection main processor modules working condition in real time, to judge main process task
When device module is without response, vehicle condition data are sent to image module by auxiliary MCU module and shown for display module；
The auxiliary MCU module uses single-chip microcomputer, and described image module is also connected with a Flash modules, Flash modules storage
There is the graphical interfaces of automobile virtual instrument；
When judging main processor modules without response, the single-chip microcomputer sends the vehicle condition data of access to image module,
Described image module shows vehicle condition data combination graphical interfaces in display module；
Described image module or single-chip microcomputer are further adapted for activating the main processor modules without response, and in main processor modules activation
Afterwards, vehicle condition data are received by the main processor modules, and vehicle condition data and the graphical interfaces is sent to figure
As module, to be shown by display module；Meanwhile, described image module stops receiving the vehicle condition data from single-chip microcomputer.
2. a kind of method of work of the full virtual car instrument system of dual system as claimed in claim 1, it is characterised in that
When simultaneously auxiliary MCU module and image module judge to be adapted to provide for the master of virtual instrument graphical interfaces and vehicle condition data
When processor module is without response, it is supplied to display module to show vehicle condition data by auxiliary MCU module.
3. the method for work of the full virtual car instrument system of dual system according to claim 2, it is characterised in that
The main processor modules Built In Operating System and the graphical interfaces for being adapted to provide for automobile virtual instrument, and it is received
Vehicle condition data and the graphical interfaces send to image module, image module driving display module shows the graphical interfaces
With vehicle condition data.
4. the method for work of the full virtual car instrument system of dual system according to claim 3, it is characterised in that described auxiliary
MCU module is helped to include the method that vehicle condition data are supplied to display module to show：
The auxiliary MCU module uses single-chip microcomputer, and the single-chip microcomputer is connected with image module, and the image module is also with one
Flash modules are connected, and the Flash modules are stored with the graphical interfaces of automobile virtual instrument；
After main processor modules are judged without response, the vehicle condition data of access are sent to image module, institute by single-chip microcomputer
Image module is stated to show vehicle condition data combination graphical interfaces in display module.
5. the method for work of the full virtual car instrument system of dual system according to claim 4, it is characterised in that the figure
As module or single-chip microcomputer be further adapted for activate the main processor modules without response, and main processor modules activation after, by the master
Processor module receives vehicle condition data, and is sent with regard to vehicle condition data and the graphical interfaces to image module, with logical
Display module is crossed to show；Meanwhile, described image module stops receiving the vehicle condition data from single-chip microcomputer.
6. the method for work of the full virtual car instrument system of dual system according to claim 5, it is characterised in that the figure
As module and single-chip microcomputer judge main processor modules whether there is the method for response and included：Described image module and single-chip microcomputer difference are random
The corresponding calculation formula of generation, and corresponding calculation formula is respectively sent to main processor modules, and main processor modules will be corresponding
Result in and send back to image module and single-chip microcomputer respectively, described image module and single-chip microcomputer result in certainly by corresponding respectively
Verified with the returning result of main processor modules, if the result is differed, judge main processor modules without response.
7. the method for work of the full virtual car instrument system of dual system according to claim 6, it is characterised in that the figure
As module and single-chip microcomputer judge main processor modules whether there is the method for response and also included：If the true fictitious time of the result one, is being waited
Treat to result in again, resulted in last time identical if result in herein, main processor modules failure is judged, by described
Image module or single-chip microcomputer activate the failure main processor modules.
8. a kind of automobile, it is characterised in that the automobile is provided with the full virtual car instrument system of dual system as claimed in claim 1
System.
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| CN201510342616.1A CN105034808B (en) | 2015-06-18 | 2015-06-18 | A kind of full virtual car instrument system of dual system, method of work and automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3104794A1 (en) * | 2019-12-13 | 2021-06-18 | Continental Automotive Gmbh | Vehicle multimedia display device |
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| CN106427575A (en) * | 2016-11-18 | 2017-02-22 | 上海仪电汽车电子系统有限公司 | Full-liquid crystal virtual instrument based on double-MCU hardware framework and operation control method thereof |
| CN107415690B (en) * | 2017-04-25 | 2019-10-18 | 黑龙江连特科技有限公司 | Automobile, automobile instrument and its control method |
| CN108153610B (en) * | 2017-12-21 | 2020-10-30 | 浙江汽车仪表有限公司 | Image security detection method based on hardware heterogeneous multi-core |
| KR102532971B1 (en) * | 2018-07-12 | 2023-05-16 | 엘지디스플레이 주식회사 | Display Device and Driving Method thereof |
| CN109493827A (en) * | 2018-10-17 | 2019-03-19 | 西安闻泰电子科技有限公司 | The display methods and display device of car-mounted terminal, car-mounted terminal |
| CN109747416B (en) * | 2018-12-26 | 2022-03-15 | 珠海广通汽车有限公司 | Double-instrument system of electric automobile and control method |
| CN111240877A (en) * | 2020-01-08 | 2020-06-05 | 中瓴智行(成都)科技有限公司 | Instrument emergency display method and virtual machine monitor |
| CN111338317B (en) * | 2020-02-29 | 2022-09-30 | 惠州华阳通用电子有限公司 | Instrument system and implementation method thereof |
| CN112231001A (en) | 2020-10-14 | 2021-01-15 | 佛吉亚歌乐电子(佛山)有限公司 | Vehicle dual-system compatible control method and system, storage medium and vehicle-mounted terminal |
| CN116406183B (en) * | 2023-05-23 | 2023-09-12 | 北京京东方技术开发有限公司 | Display panel and display device |
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| EP2204302A1 (en) * | 2004-08-24 | 2010-07-07 | Sharp Kabushiki Kaisha | Display system |
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| FR3104794A1 (en) * | 2019-12-13 | 2021-06-18 | Continental Automotive Gmbh | Vehicle multimedia display device |
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