CN105015345B - Integral automobile virtual instrument system, method of work and the automobile for installing the system - Google Patents
Integral automobile virtual instrument system, method of work and the automobile for installing the system Download PDFInfo
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- CN105015345B CN105015345B CN201510340914.7A CN201510340914A CN105015345B CN 105015345 B CN105015345 B CN 105015345B CN 201510340914 A CN201510340914 A CN 201510340914A CN 105015345 B CN105015345 B CN 105015345B
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Abstract
The present invention relates to a kind of integral automobile virtual instrument system, method of work and the automobile for installing the system, this virtual instrument 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 is aided in, for detecting main processor modules working condition in real time, when main processor modules are without response, vehicle condition data received and is shown through image module for display module；The present invention is by aiding in MCU module after Built In Operating System deadlock, corresponding travelling data is included on virtual meter panel instead of main processor modules, checked for driver, and reactivate main processor modules on backstage, enter without influenceing the driving experience of 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 integral automobile virtual instrument 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 virtual instrument system and its method of work, to solve when driving, if
Main processor modules can not show travelling data without response, then virtual instrument system, easily cause technical problem to lose control of one's vehicle.
In order to solve the above-mentioned technical problem, the invention provides a kind of virtual instrument system, including：Built In Operating System
Main processor modules, graphical interfaces from automobile virtual instrument to image module and vehicle condition data for providing, with by aobvious
Show that module is shown；And auxiliary MCU module, for detecting main processor modules working condition in real time, that is, work as main processor modules
During without response, receive vehicle condition data and shown through image module for display module.
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；When single-chip microcomputer measures main processor modules without response, the list
Piece machine sends the vehicle condition data of access to image module, and described image module is by vehicle condition data combination graphical interfaces
Shown in display module.
Further, the auxiliary MCU module is further adapted for activating the main processor modules without response, and in main processor modules
After activation, vehicle condition data are received by the main processor modules, 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 number from single-chip microcomputer
According to.
Another aspect, present invention also offers a kind of method of work of virtual instrument system, i.e., when auxiliary MCU module is measured
When being adapted to provide for the main processor modules of virtual instrument graphical interfaces and vehicle condition data without response, MCU module is aided in by vapour
Car status data is supplied to display module to show.
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；When single-chip microcomputer measures main processor modules without response,
The single-chip microcomputer sends the vehicle condition data of access to image module, and described image module, which combines vehicle condition data, to be schemed
Shape interface is shown in display module.
Further, the auxiliary MCU module is further adapted for activating the main processor modules without response, and in main processor modules
After activation, vehicle condition data are received by the main processor modules, 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 number from single-chip microcomputer
According to.
Further, the auxiliary MCU module judges main processor modules whether there is the method for response and included：The auxiliary MCU
Formula is calculated in generation one to module at random, and the calculation formula is sent to main processor modules, and main processor modules will calculation
As a result auxiliary MCU module is sent back to, the auxiliary MCU module will be entered from the result of calculation and the returning result of main processor modules
Row checking, if the result is different, judges main processor modules without response.
The third aspect, on the basis of above-mentioned virtual instrument system, present invention also offers a kind of automobile, the automobile is installed
There is the virtual instrument system.
The beneficial effects of the invention are as follows the present invention is by aiding in quick, the stable advantage of MCU module, in built-in operation system
After system crashes, corresponding travelling data is included on virtual meter panel instead of main processor modules, checked for driver, and
Backstage reactivates main processor modules, enters without influenceing the driving experience of driver, in the case where driver has no to discover,
Complete main processor modules fault detect, aid in the process that MCU module is replaced, main processor modules are restarted, effectively avoid
Cause virtual instrument can not obtain vehicle operation data because Built In Operating System crashes（Travelling data）Technical problem, to become
Safety guarantee is provided in 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 virtual 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
As shown in figure 1, a kind of virtual instrument system of the present invention, including：The main processor modules of Built In Operating System, are used
In graphical interfaces and vehicle condition data that automobile virtual instrument is provided to image module, to be shown by display module；Auxiliary
MCU module, for detecting main processor modules working condition in real time, i.e., when main processor modules are without response, receives automobile shape
State data are shown through image module 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 virtual instrument system of the present invention is to replace traditional machinery instrument by display module with display automobile status number
According to that is, display module shows 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 and it is adapted to provide for the graphical interfaces of automobile virtual instrument（Graphic interface example
As but be not limited to use 3D interfaces, 2D interfaces）, and the vehicle condition data that it is received and the graphical interfaces sent to described
Image module, so that display module is shown.The main processor modules include：MCU units and GPU units, wherein, the GPU
Unit supports the computing of 2D vector graphics and 3D graphics engines, and it such as, but not limited to uses iMx6 chip developments；In described
Operating system is put such as, but not limited to using operating systems such as Linux, Android, WindowCE, apples.
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（The graphical interfaces is generally 2D graphical interfaces）；When single-chip microcomputer is surveyed
When host processor module is 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.
Wherein, the auxiliary MCU module is such as, but not limited to free of operating system using single-chip microcomputer, FPGA, CPLD etc., and
Can quick response, stability is good, the processing module that will not be crashed.Image module can also using the modules such as FPGA, CPLD come
Build.In order to further illustrate that this auxiliary MCU module judges main processor modules without response（Crash）The course of work, this auxiliary
MCU module is chosen single-chip microcomputer and illustrated, i.e., fast, stable using single-chip microcomputer corresponding speed, the advantage that will not be crashed.Specifically
, when main processor modules cannot respond to（During deadlock）In time primary processor can be replaced to carry out at vehicle condition data display
Reason, does not interfere with the driving experience of driver, in the case where driver is not easy to discover, and completes main processor modules and monolithic
Switch between machine.The method whether main processor modules crash is judged, for example with single-chip microcomputer with main processor modules by holding
Whether the work of hand signal examinations main processor modules is normal, if main processor modules are without response, judges the primary processor
Module has crashed, and the auxiliary MCU module replaces main processor modules to handle vehicle condition data, that is, sends to image module,
Shown for display module.
Also, it can also verify whether main processor modules crash by calculating the result of algorithm, such as it is described
Aid in MCU module（Single-chip microcomputer）Formula, such as 3+4-3 are calculated in generation one, and the calculation formula is sent to main processor modules,
And main processor modules will result in and 4 send back to auxiliary MCU module, this auxiliary MCU module is by from the result 4 of calculation and main place
The returning result 4 of reason device module is verified, is seen whether result is identical, to judge whether main processor modules crash, and is drilled
Calculating formula is randomly generated by auxiliary MCU module, improves the reliability of automobile whole system, the handshake method is also possible to prevent
Hacker attacks in-car control system.
Further, the auxiliary MCU module is further adapted for activating the main processor modules without response, and in main processor modules
After activation, vehicle condition data are received by the main processor modules, 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 number from single-chip microcomputer
According to receive the vehicle condition data from main processor modules.The method of specific activation main processor modules includes：It is described auxiliary
Help MCU module to input a reset signal to the reset terminal of main processor modules, reset it；If can not reset, it can control
The power supply module of main processor modules is opened after closing, and restarts main processor modules.
Embodiment 2
On the basis of embodiment 1, present invention also offers a kind of method of work of virtual instrument system, i.e., as auxiliary MCU
When module measures the main processor modules for being adapted to provide for virtual instrument graphical interfaces and vehicle condition data without response, MCU is aided in
Vehicle condition data are supplied to display module to show by 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：
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 main processor modules are without response,
The single-chip microcomputer sends the vehicle condition data of access to image module, and described image module, which combines vehicle condition data, to be schemed
Shape interface is shown in display module.
The auxiliary MCU module is further adapted for activating the main processor modules without response, and after main processor modules activation,
Vehicle condition data are received by the main processor modules, and vehicle condition data and the graphical interfaces are sent to image mould
Block, to be shown by display module；Meanwhile, described image module stops receiving the vehicle condition data from single-chip microcomputer, i.e. institute
State image module and receive the vehicle condition data from main processor modules.
Further, the auxiliary MCU module judges main processor modules whether there is the method for response and included：The auxiliary MCU
Formula is calculated in generation one to module at random, and the calculation formula is sent to main processor modules, and main processor modules will calculation
As a result auxiliary MCU module is sent back to, the auxiliary MCU module will be entered from the result of calculation and the returning result of main processor modules
Row checking, if the result is different, judges main processor modules without response.Embodiment is also carried out in embodiment 1
Related description.
Embodiment 3
On the basis of embodiment 1, present invention also offers a kind of automobile, the automobile is provided with the virtual 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 (7)
1. a kind of virtual instrument 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 is aided in, for detecting main processor modules working condition in real time, when main processor modules are without response, is received
Vehicle condition data are shown through image module 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 main processor modules are 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；
The auxiliary MCU module is further adapted for activating the main processor modules without response, and after main processor modules activation, by institute
State main processor modules and receive 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.
2. a kind of method of work of virtual instrument system as claimed in claim 1, it is characterised in that
When auxiliary MCU module measures the main processor modules for being adapted to provide for virtual instrument graphical interfaces and vehicle condition data without sound
At once, vehicle condition data are supplied to display module to show by auxiliary MCU module.
3. the method for work of virtual instrument 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 virtual instrument system according to claim 3, it is characterised in that the auxiliary MCU module will
The method that vehicle condition data are supplied to display module to show includes：
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 single-chip microcomputer measures 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.
5. the method for work of virtual instrument system according to claim 4, it is characterised in that the auxiliary MCU module is also
Main processor modules suitable for activating no response, and after main processor modules activation, vapour is received by the main processor modules
Car status data, and vehicle condition data and the graphical interfaces are sent to image module, to be shown by display module；Together
When, described image module stops receiving the vehicle condition data from single-chip microcomputer.
6. the method for work of virtual instrument system according to claim 5, it is characterised in that
The auxiliary MCU module judges main processor modules whether there is the method for response and included：
Formula is calculated in generation one to the auxiliary MCU module at random, and the calculation formula is sent to main processor modules, and main place
Reason device module, which will result in, send back to auxiliary MCU module, result and primary processor mould that the auxiliary MCU module calculates oneself
The returning result of block is verified, if the result is different, judges main processor modules without response.
7. a kind of automobile, it is characterised in that the automobile is provided with virtual instrument system as claimed in claim 1.
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| CN201510340914.7A CN105015345B (en) | 2015-06-18 | 2015-06-18 | Integral automobile virtual instrument system, method of work and the automobile for installing the system |
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| CN201510340914.7A CN105015345B (en) | 2015-06-18 | 2015-06-18 | Integral automobile virtual instrument system, method of work and the automobile for installing the system |
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| CN105015345B true CN105015345B (en) | 2017-10-13 |
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| CN105716694A (en) * | 2016-04-08 | 2016-06-29 | 沈阳市航宇星仪表有限责任公司 | Intelligent monitoring device for gas meter mainboard |
| CN114261355B (en) * | 2021-12-31 | 2023-05-16 | 重庆电子工程职业学院 | Automobile central control safety control system |
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