CN108845199A - Virtual instrument fault detection system and detection method, virtual meter panel, automobile - Google Patents
Virtual instrument fault detection system and detection method, virtual meter panel, automobile Download PDFInfo
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- CN108845199A CN108845199A CN201810413765.6A CN201810413765A CN108845199A CN 108845199 A CN108845199 A CN 108845199A CN 201810413765 A CN201810413765 A CN 201810413765A CN 108845199 A CN108845199 A CN 108845199A
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- instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Controls And Circuits For Display Device (AREA)
- Instrument Panels (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of virtual instrument fault detection system and working method, virtual meter panel, automobiles；This virtual instrument fault detection system includes：The processing unit being connected with instrument display screen；The processing unit is suitable for output vision signal to instrument display screen（TFT-LCD）, and the processing unit is further adapted for being sampled from vision signal, if corresponding signal is lost in vision signal, judges that instrument display screen shows failure；Virtual instrument fault detection system of the invention and detection method, virtual meter panel can fast and accurately judge whether virtual instrument breaks down, and have accuracy height, corresponding quick advantage.
Description
Technical field
The present invention relates to a kind of virtual instrument fault detection system and detection method, virtual meter panel, automobiles.
Background technique
Currently, virtual instrument technology is computer technology and instrument skill with the rapid development of automotive electronic technology
Art ideally combines, and has raised fine new page for Hyundai Motor technical device.Virtual instrument to a certain extent can
Existing most equipment is substituted, collection multifunctional information will be developing progressively and show, automatically control and multimedia recreation
Integral system.
But virtual instrument is very high to the degree of dependence of control system, if occurring normally showing in vehicle travel process
If showing, driver can not obtain the running data of vehicle, and driver is be easy to cause to judge by accident, serious traffic thing occur
Therefore.Therefore, virtual instrument fault detection is particularly important.
Summary of the invention
The object of the present invention is to provide a kind of virtual instrument fault detection system and detection method, virtual meter panel, automobiles.
In order to solve the above-mentioned technical problems, the present invention provides a kind of virtual instrument fault detection systems, including：With instrument
The connected processing unit of display screen；The processing unit is suitable for output vision signal to instrument display screen, and the processing unit is also
Suitable for being sampled from vision signal, if corresponding signal is lost in vision signal, judge that instrument display screen shows failure.
Further, the processing unit is further adapted for detecting the backlight of instrument display screen by sample resistance, if sampled signal
Lower than preset value, then backlight failure is judged, i.e. instrument display screen shows failure.
Further, the processing unit is also connected with a photographic device, which is suitable for the aobvious of acquisition instrument display screen
Show content, if show content and should show that content is not inconsistent, judges that instrument display screen shows failure.
Further, the processing unit includes first processor module and the second processor mould suitable for starting auxiliary device
Block, wherein
The first processor module is suitable for exporting vision signal and receive the display content of photographic device acquisition；
Second processor module is suitable for receiving the sampled signal, and control auxiliary device starting；And
Communication connection is carried out by integrated communicaton optical module between first processor module and second processor module.
Another aspect, the present invention also provides a kind of virtual instrument fault detection methods, including：
The display fault judgment method of the virtual instrument includes：It is taken from the video data for be sent to instrument display screen
Sample judges that instrument display screen shows failure if corresponding signal is lost in vision signal.
Further, the backlight of instrument display screen is detected by sample resistance, if sampled signal is lower than preset value, judges to carry on the back
Light failure, i.e. instrument display screen show failure.
Further, the display content of acquisition instrument display screen, if judgement display content is sentenced with when should show that content is not inconsistent
Disconnected instrument display screen shows failure.
The third aspect is equipped with the virtual instrument fault detection system the present invention also provides a kind of virtual meter panel
System.
Fourth aspect, the present invention also provides a kind of automobile, the automobile is suitable for installing the virtual meter panel.
The invention has the advantages that virtual instrument fault detection system of the invention and detection method, virtual meter panel
It can fast and accurately judge whether virtual instrument breaks down, there is accuracy height, corresponding quick advantage.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of virtual instrument fault detection system of the invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of virtual instrument fault detection system is present embodiments provided, including：
The processing unit being connected with instrument display screen；The processing unit is suitable for output vision signal to instrument display screen（TFT-
LCD）, and the processing unit is further adapted for being sampled from vision signal, if corresponding signal is lost in vision signal, judges instrument
Table display screen shows failure；After judging that instrument display screen shows failure, the processing unit is suitable for starting auxiliary device.
The vision signal includes key signal field signal VS, row signal HS, DE, clock signal DCLK and color signal
RGB, above each signal can also remain as HS, DE, clock signal DCLK using the vision signal of LVDS transmission inside LVDS
And color signal RGB etc..
Specifically, corresponding signal in vision signal will be such as, but not limited to VS, HS, DE, in CLK, RGB partly or entirely
It is sent to processing unit and carries out port signal detection, if it find that either signal loss will be determined as display failure, the display event
Barrier can be color loss, blank screen etc..
In the present embodiment, the processing unit is further adapted for detecting the backlight of instrument display screen by sample resistance R, if taking
Sample signal is lower than preset value, then the ADC in processing unit is detected abnormal, judges backlight failure immediately, i.e. instrument display screen is shown
Failure；The display failure can be blank screen or dark screen.
As shown in Figure 1, in processing unit（First processor module）The end IO pass through PWR IC（Power supply module）Control back
Radiant, shown back light can be, but not limited to using LED light source.Operational amplifier AMP is input to place after acquiring data
It manages in unit（Second processor module）ADC input terminal.
In the present embodiment, the processing unit is also connected with a photographic device, which is suitable for acquisition instrument and shows
If the display content of screen judges that instrument display screen shows failure show content and should show that content is not inconsistent.The camera shooting dress
It sets and can be camera, specifically, can in due course will be on instrument display screen by being placed on camera near instrument display screen
Content is input to processing unit, and input video is compared with output vision signal, then judges to show if they are the same by processing unit
Normally, judge that display is abnormal if different, comparison includes display content comparison, each field color comparison, brightness contrast etc., if going out
Existing difference, then judge exception, can set corresponding relatively threshold value, if being more than the threshold value, judges to show failure（Such as show content
Freeze）Or it can not normally show.
In order to improve the efficiency of video processing and emergency processing, avoid carrying out processing bring by single-processor module
Burden and uncertain, such as processor module crash, and emergency function i.e. auxiliary device is caused quick start or can not to open
Dynamic delay, influences the driving experience of driver, also brings certain driving risk.Therefore, in the present embodiment using at two
Device module cooperative processing mode is managed, i.e., the described processing unit includes first processor module and second suitable for starting auxiliary device
Processor module, wherein the first processor module is suitable for exporting vision signal and receives in the display that photographic device acquires
Hold；Second processor module is suitable for receiving the sampled signal, and control auxiliary device starting；And first processor module
Communication connection is carried out by integrated communicaton optical module between second processor module.
In the present embodiment the auxiliary device can be, but not limited to include：Voice module, and for showing speed, shelves
The LED indication module or auxiliary LCD display screen of position and alarm lamp；The voice module is suitable for casting fault message and/or traveling
Information.
Another aspect, the present embodiment additionally provide a kind of virtual instrument fault detection method, including：
The display fault judgment method of virtual instrument, and the method for carrying out emergency processing after failure.
Specifically, in the present embodiment, the display fault judgment method of the virtual instrument includes：It is aobvious from instrument is sent to
It is sampled in the video data of display screen, if corresponding signal is lost in vision signal, judges that instrument display screen shows failure.
As second of embodiment of check for display failure, the backlight of instrument display screen is detected by sample resistance, if
Sampled signal is lower than preset value, then judges backlight failure, i.e. instrument display screen shows failure.
As the third embodiment of check for display failure, the display content of acquisition instrument display screen, if judgement display
Content and when should show that content is not inconsistent, then judge that instrument display screen shows failure.
Three kinds of specific embodiments, working principles about display failure have been explained in detail in the above-described embodiments
It states, details are not described herein again.
The method of progress emergency processing includes after failure：After judging that instrument display screen shows failure, the processing
Unit is suitable for starting auxiliary device；The auxiliary device includes：Voice module, and for showing speed, gear and alarm lamp
LED indication module or auxiliary LCD display screen；The voice module is suitable for casting fault message and/or driving information.
The present embodiment additionally provides a kind of virtual meter panel.
The virtual meter panel is equipped with the virtual instrument fault detection system.
The present embodiment additionally provides a kind of automobile.
The automobile is equipped with virtual meter panel as shown.
Therefore, virtual instrument fault detection system of the invention and detection method, virtual meter panel can be fast and accurately
Judge whether virtual instrument breaks down, there is accuracy height, corresponding quick advantage, the unlatching of not subsequent auxiliary device
Data are provided to support.
In the present embodiment, three kinds of modes can be used alone and can also be used in conjunction with, and especially when being used in conjunction with, improve
Judge the accuracy of virtual instrument failure, utmostly reduces the phenomenon that failure is not reported, improve the reliability of vehicle.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above 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 range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
1. a kind of virtual instrument fault detection system, which is characterized in that including：
The processing unit being connected with instrument display screen；
The processing unit is suitable for output vision signal to instrument display screen, and the processing unit be further adapted for from vision signal into
Row sampling judges that instrument display screen shows failure if corresponding signal is lost in vision signal.
2. virtual instrument fault detection system according to claim 1, which is characterized in that
The processing unit is further adapted for detecting the backlight of instrument display screen by sample resistance, if sampled signal is lower than preset value,
Then judge backlight failure, i.e.,
Instrument display screen shows failure.
3. virtual instrument fault detection system according to claim 1, which is characterized in that
The processing unit is also connected with a photographic device, which is suitable for the display content of acquisition instrument display screen, if aobvious
When showing content and should show that content is not inconsistent, then judge that instrument display screen shows failure.
4. virtual instrument fault detection system according to claim 1-3, which is characterized in that
The processing unit include first processor module and suitable for start auxiliary device second processor module, wherein
The first processor module is suitable for exporting vision signal and receive the display content of photographic device acquisition；
Second processor module is suitable for receiving the sampled signal, and control auxiliary device starting；And
Communication connection is carried out by integrated communicaton optical module between first processor module and second processor module.
5. a kind of virtual instrument fault detection method, which is characterized in that including：
It is sampled from the video data for be sent to instrument display screen, if corresponding signal is lost in vision signal, judges instrument
Table display screen shows failure.
6. virtual instrument fault detection method according to claim 5, which is characterized in that
The working method further includes：
The backlight of instrument display screen is detected by sample resistance, if sampled signal is lower than preset value, judges backlight failure, i.e. instrument
Table display screen shows failure.
7. virtual instrument fault detection method according to claim 5, which is characterized in that
The working method further includes：
The display content of acquisition instrument display screen, if judgement display content judges that instrument is shown with when should show that content is not inconsistent
Screen display failure.
8. a kind of virtual meter panel, which is characterized in that be equipped with virtual instrument failure inspection according to any one of claims 1-4
Examining system.
9. a kind of automobile, which is characterized in that be equipped with virtual meter panel as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413765.6A CN108845199A (en) | 2018-05-03 | 2018-05-03 | Virtual instrument fault detection system and detection method, virtual meter panel, automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413765.6A CN108845199A (en) | 2018-05-03 | 2018-05-03 | Virtual instrument fault detection system and detection method, virtual meter panel, automobile |
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| Publication Number | Publication Date |
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| CN108845199A true CN108845199A (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810413765.6A Pending CN108845199A (en) | 2018-05-03 | 2018-05-03 | Virtual instrument fault detection system and detection method, virtual meter panel, automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126759A (en) * | 2019-04-02 | 2019-08-16 | 爱驰汽车有限公司 | Reminding method, device and the automobile of running information |
| CN111613160A (en) * | 2020-04-02 | 2020-09-01 | 深圳益实科技有限公司 | Method and system for judging display fault of LCD display screen |
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| JP2004330899A (en) * | 2003-05-08 | 2004-11-25 | Denso Corp | Gage for vehicle |
| CN104071009A (en) * | 2013-03-27 | 2014-10-01 | 比亚迪股份有限公司 | Processing method for display failure of vehicle-mounted meter and vehicle-mounted meter system |
| CN105015346A (en) * | 2015-06-18 | 2015-11-04 | 江苏新通达电子科技股份有限公司 | Virtual vehicle meter system with function of voice prompt, operating method and vehicle |
| CN107107761A (en) * | 2015-03-12 | 2017-08-29 | 富士胶片株式会社 | Projection display device and driving assistance method |
| CN107117033A (en) * | 2017-04-28 | 2017-09-01 | 北京新能源汽车股份有限公司 | Information display control method and device, instrument controller and electric automobile |
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- 2018-05-03 CN CN201810413765.6A patent/CN108845199A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330899A (en) * | 2003-05-08 | 2004-11-25 | Denso Corp | Gage for vehicle |
| CN104071009A (en) * | 2013-03-27 | 2014-10-01 | 比亚迪股份有限公司 | Processing method for display failure of vehicle-mounted meter and vehicle-mounted meter system |
| CN107107761A (en) * | 2015-03-12 | 2017-08-29 | 富士胶片株式会社 | Projection display device and driving assistance method |
| CN105015346A (en) * | 2015-06-18 | 2015-11-04 | 江苏新通达电子科技股份有限公司 | Virtual vehicle meter system with function of voice prompt, operating method and vehicle |
| CN107117033A (en) * | 2017-04-28 | 2017-09-01 | 北京新能源汽车股份有限公司 | Information display control method and device, instrument controller and electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110126759A (en) * | 2019-04-02 | 2019-08-16 | 爱驰汽车有限公司 | Reminding method, device and the automobile of running information |
| CN111613160A (en) * | 2020-04-02 | 2020-09-01 | 深圳益实科技有限公司 | Method and system for judging display fault of LCD display screen |
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Application publication date: 20181120 |