CN105015344B - A kind of full virtual car instrument system, method of work and the automobile for installing the system - Google Patents
A kind of full virtual car instrument system, method of work and the automobile for installing the system Download PDFInfo
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- CN105015344B CN105015344B CN201510340829.0A CN201510340829A CN105015344B CN 105015344 B CN105015344 B CN 105015344B CN 201510340829 A CN201510340829 A CN 201510340829A CN 105015344 B CN105015344 B CN 105015344B
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Abstract
The present invention relates to a kind of full virtual car instrument system, method of work and the automobile for installing the system, this full virtual car instrument system includes：The main processor modules of Built In Operating System, for providing the graphical interfaces and vehicle condition data of automobile virtual instrument to image module, to be shown by display module；Described image module is additionally operable to detect main processor modules working condition in real time, and when main processor modules are without response, its request auxiliary MCU module sends vehicle condition data to image module to be shown for display module.The present invention is by image module 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 being reactivated from the background, the driving experience entered without influenceing driver, 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, method of work and installation
The automobile of the system.
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 improves, 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 phenomena such as crashing, but this low probability event is driven once occurring
The person of sailing can not obtain vehicle operation data, cause 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 and its method of work, to solve in driving conditions
In, if main processor modules can not show travelling data, easily cause to lose control of one's vehicle without response, full virtual car instrument system
Technical problem.
In order to solve the above-mentioned technical problem, the invention provides a kind of full virtual car instrument system, including：Built-in operation
The main processor modules of system, for providing the graphical interfaces and vehicle condition data of automobile virtual instrument to image module, with
Shown by display module；Described image module is additionally operable to detect main processor modules working condition in real time, and works as primary processor
When module is without response, the image module is suitable to request auxiliary MCU module and sends vehicle condition data to image module for showing
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；It is described when image module measures main processor modules without response
Image module asks single-chip microcomputer to send the vehicle condition data of access to image module, and described image module is by vehicle condition number
Shown according to reference to graphical interfaces in display module.
Further, described image module is further adapted for activating the main processor modules without response, and swashs 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.
Another aspect, present invention also offers a kind of method of work of full virtual car instrument system, that is, work as image module
When measuring the main processor modules for being adapted to provide for virtual instrument graphical interfaces and vehicle condition data without response, the image module please
Auxiliary MCU module is asked to be supplied to display module to show vehicle condition data.
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 send to image module, image module driving display module and 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；When image module measures main processor modules without response
When, described image module request single-chip microcomputer sends the vehicle condition data of access to image module, and described image module is by vapour
Car status data combination graphical interfaces is shown in display module.
Further, described image module is further adapted for activating the main processor modules without response, and swashs 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.
Further, described image module judges main processor modules whether there is the method for response and included：Described image module with
The calculation formula of machine generation one, and the calculation formula is sent to main processor modules, and main processor modules will result in hair
Image module is back to, described image module will be verified from the result of calculation and the returning result of main processor modules, if testing
It is different to demonstrate,prove result, then judges main processor modules without response.
The third aspect, on the basis of above-mentioned full virtual car instrument system, present invention also offers a kind of automobile, the vapour
Car is provided with the full virtual car instrument system.
The invention has the advantages that the advantages of present invention is by aiding in MCU module quick, stable, sentences in image module
After the main processor modules of disconnected Built In Operating System crash, corresponding travelling data is included in Virtual instrument instead of main processor modules
On dial plate, checked for driver, and main processor modules are being reactivated by image module from the background, entered without influenceing to drive
The driving experience of member, in the case where driver has no to discover, complete main processor modules fault detect, auxiliary MCU module
Replace, the process that main processor modules are restarted, effectively avoid causing virtual instrument not obtain because Built In Operating System crashes
Take vehicle operation data（Travelling data）Technical problem, provide safety guarantee to tend to intelligentized driving system.
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 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 the present invention.In figure, main processor modules and image module
Four-headed arrow represent handshake, individual event arrow represent picture signal transmission.
As shown in figure 1, a kind of full virtual car instrument system of the present invention, including：The primary processor of Built In Operating System
Module, for providing the graphical interfaces and vehicle condition data of automobile virtual instrument to image module, to be shown by display module
Show；Described image module is additionally operable to detect main processor modules working condition in real time, and when main processor modules are without response, should
Vehicle condition data are sent to image module and shown for display module by image module suitable for request auxiliary MCU module.
Wherein, main processor modules without response definition be main processor modules crash, Built In Operating System crash, system without
Phenomena such as response, processor are without responding, going offline.
The full virtual car instrument system of the present invention is to replace traditional machinery instrument by display module with display automobile
Status 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 such as, but not limited to uses LCDs（1920 x 720 divide
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 using 3D interfaces, 2D interfaces）, and the vehicle condition data that it is received and the graphical interfaces are 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 access
Vehicle condition data send to image module, described image module shows above-mentioned data combination graphical interfaces in display module
Show.
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 judges main processor modules without response（Crash）The course of work, it is described
Auxiliary MCU module is chosen single-chip microcomputer and illustrated, i.e., fast, stable using single-chip microcomputer corresponding speed, the advantages of will not crashing.
Specifically, when main processor modules cannot respond to（During deadlock）Primary processor can be replaced to carry out vehicle condition data in time to show
Show processing, do not interfere with the driving experience of driver, in the case where driver is not easy to discover, complete main processor modules with
Switch between single-chip microcomputer.The method whether main processor modules crash is judged, for example with image module and main processor modules
Whether normal worked by handshake examinations main processor modules, if main processor modules judge the master without response
Processor module has crashed, then image module sends a request to the auxiliary MCU module, and the auxiliary MCU module replaces main place
Device resume module vehicle condition data are managed, that is, sends to image module, is shown for display module.
Also, it can also verify whether main processor modules crash by calculating the result of algorithm, for example, it is described
The calculation formula of image module generation one, such as 3+4-3, and the calculation formula is sent to main processor modules, and primary processor
Module, which will result in, send back to image module, the result and the returning result of main processor modules that this image module calculates oneself
Verified, see whether result is identical, to judge whether primary processor crashes, and calculating formula is produced at random by image module
It is raw, improve the reliability of automobile whole system.
Further, described image module is further adapted for activating the main processor modules without response, and swashs 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 that is, described image module receives the vehicle condition data from main processor modules.The side of specific activation main processor modules
Method includes：Described image module inputs a reset signal to the reset terminal of main processor modules, makes its reset；If can not reset,
It can then control the power supply module of main processor modules to be opened after closing, restart main processor modules.
Embodiment 2
On the basis of embodiment 1, present invention also offers a kind of method of work of full virtual car instrument system, that is, work as figure
When measuring the main processor modules for being adapted to provide for virtual instrument graphical interfaces and vehicle condition data without response as module, the image
Vehicle condition data are supplied to display module to show by module request auxiliary MCU module.Further, in the main processor modules
Put operating system and be adapted to provide for the graphical interfaces of automobile virtual instrument, and the vehicle condition data that it is received and the figure
Interface sends to image module, image module driving display module and shows 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：
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 image module measures primary processor
When module is without response, described image module request single-chip microcomputer sends the vehicle condition data of access to image module, the figure
As module shows vehicle condition data combination graphical interfaces in display module.
Described image module is further adapted for activating the main processor modules without response, and after main processor modules activation, by
The main processor modules receive vehicle condition data, and are sent with regard to vehicle condition data and the graphical interfaces to image mould
Block, to be shown by display module；Meanwhile described image module stops receiving the vehicle condition data from single-chip microcomputer, to connect
Receive the vehicle condition data from main processor modules.Wherein, described image module stops receiving the automobile shape from single-chip microcomputer
The mode of state data can use sets Port Priority rank, i.e., the view data transmitted main processor modules by image module
The priority of interface is arranged to highest, and when the image data interface responds, the image data interface of auxiliary MCU module transmission closes
Close；Or auxiliary MCU module transmission view data is actively closed by the main processor modules after reactivating.
Described image module judges main processor modules whether there is the method for response and included：The generation one at random of described image module
Formula is calculated, and the calculation formula is sent to main processor modules, and main processor modules will result in and send back to image
Module, described image module will be verified from the result of calculation and the returning result of main processor modules, if the result is not
Together, then judge main processor modules without response.Specific handshake procedure has carried out related description in embodiment 1.
Embodiment 3
On the basis of embodiment 1, present invention also offers a kind of automobile, the automobile is provided with the full virtual car instrument
System.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
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 determines its technical scope according to right.
Claims (7)
- A kind of 1. full virtual car instrument system, it is characterised in that including：The main processor modules of Built In Operating System, for providing the graphical interfaces and automobile of automobile virtual instrument to image module Status data, to be shown by display module；Described image module is additionally operable to detect main processor modules working condition in real time, and when main processor modules are without response, Vehicle condition data are sent to image module and shown for display module by the image module suitable for request auxiliary MCU 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 image module measures main processor modules without response, described image module request single-chip microcomputer is by the vehicle condition of access Data send to image module, described image module and show vehicle condition data combination graphical interfaces in display module；Described image module is further adapted for activating the main processor modules without response, and after main processor modules activation, by described Main processor modules receive vehicle condition data, and are sent with regard to vehicle condition data and the graphical interfaces to image module, with Shown by display module；Meanwhile described image module stops receiving the vehicle condition data from single-chip microcomputer.
- A kind of 2. method of work of full virtual car instrument system as claimed in claim 1, it is characterised in thatWhen image module measures the main processor modules for being adapted to provide for virtual instrument graphical interfaces and vehicle condition data without response When, vehicle condition data are supplied to display module to show by image module request auxiliary MCU module.
- 3. the method for work of full virtual car instrument system according to claim 2, it is characterised in thatThe main processor modules Built In Operating System and the graphical interfaces of automobile virtual instrument is adapted to provide for, 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 full virtual car instrument system according to claim 3, it is characterised in that the auxiliary MCU Module includes 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 image module measures main processor modules without response, described image module request single-chip microcomputer is by the vehicle condition of access Data send to image module, described image module and show vehicle condition data combination graphical interfaces in display module.
- 5. the method for work of full virtual car instrument system according to claim 4, it is characterised in that described image module It is further adapted for activating the main processor modules without response, and after main processor modules activation, is received by the main processor modules Vehicle condition data, and vehicle condition data and the graphical interfaces are sent to image module, to be shown by display module； Meanwhile described image module stops receiving the vehicle condition data from single-chip microcomputer.
- 6. the method for work of full virtual car instrument system according to claim 5, it is characterised in that described image module Judge main processor modules whether there is the method for response and included：The described image module calculation of generation one formula, and this is calculated at random Formula is sent to main processor modules, and main processor modules will result in and send back to image module, and described image module will The returning result of result and main processor modules from calculation is verified, if the result is different, judges primary processor mould Block is without response.
- 7. a kind of automobile, it is characterised in that the automobile is provided with full virtual car instrument system as claimed in claim 1.
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| CN201510340829.0A CN105015344B (en) | 2015-06-18 | 2015-06-18 | A kind of full virtual car instrument system, method of work and the automobile for installing the system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106314153A (en) * | 2016-08-14 | 2017-01-11 | 蓝聪科技（上海）有限公司 | Virtual instrument system and virtual instrument display method |
| CN110658799A (en) * | 2018-06-29 | 2020-01-07 | 苏州欧菲光科技有限公司 | Control method of digital instrument system, digital instrument system and vehicle |
| CN109254546A (en) * | 2018-08-13 | 2019-01-22 | 瑞声科技(新加坡)有限公司 | Virtual car Engine Control System and method |
| 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 |
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| CN101633318A (en) * | 2004-08-24 | 2010-01-27 | 夏普株式会社 | Display system |
| CN202035097U (en) * | 2011-04-01 | 2011-11-09 | 深圳市众鸿科技有限公司 | Back-up video fast display system and corresponding vehicle information system |
| CN202098288U (en) * | 2011-04-09 | 2012-01-04 | 广东好帮手电子科技股份有限公司 | Virtual instrument system based on vehicle bus |
| CN102717711B (en) * | 2012-06-08 | 2015-04-22 | 广东好帮手电子科技股份有限公司 | Virtual instrument system |
| CN102848922B (en) * | 2012-09-12 | 2015-06-17 | 广东好帮手电子科技股份有限公司 | Intelligent virtual automobile instrument system and realizing method thereof |
| CN202863155U (en) * | 2012-09-13 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Intelligent virtual meter system |
| US9513932B2 (en) * | 2013-04-30 | 2016-12-06 | Deere & Company | Virtual terminal display for a vehicle |
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