CN108237919A - A kind of auxiliary display method and system of automobile middle control large-size screen monitors - Google Patents
A kind of auxiliary display method and system of automobile middle control large-size screen monitors Download PDFInfo
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- CN108237919A CN108237919A CN201810024143.4A CN201810024143A CN108237919A CN 108237919 A CN108237919 A CN 108237919A CN 201810024143 A CN201810024143 A CN 201810024143A CN 108237919 A CN108237919 A CN 108237919A
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- 238000003491 array Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 4
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- 230000005540 biological transmission Effects 0.000 description 4
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- 238000012545 processing Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
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- B60K35/22—
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- B60K35/29—
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- B60K35/81—
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- B60K2360/184—
Abstract
The invention discloses a kind of auxiliary display method and system of automobile middle control large-size screen monitors, this method includes the following steps：When listening to the trigger signal for starting secondary screen pattern, establish and connect with instrument；After the screen data stream that large-size screen monitors are controlled in real-time interception, instrument end is sent to for screen display.The present invention is when listening to CAN bus and receiving the trigger signal for starting secondary screen pattern, it establishes and connects with instrument, the secondary screen of large-size screen monitors is controlled as in by using instrument screen, the interface display of middle control large-size screen monitors is synchronized to instrument screen, driver is enabled to watch the contents displayed on interface of middle control large-size screen monitors by instrument screen, it does not need to turn one's head towards middle control large-size screen monitors, improves the safety of user's driving procedure, can be widely applied in automobile industry.
Description
Technical field
The present invention relates to technical field of automobile control, more particularly to a kind of auxiliary display method of automobile middle control large-size screen monitors and
System.
Background technology
Automobile middle control large-size screen monitors are user's components that high frequency uses on the run.Generally, at present in most of automobiles
Control large-size screen monitors are placed between automobile primary operator seat and co-driver, need to turn one's head towards it even when controlling large-size screen monitors in driver's manipulation
It leans to one side close to it to see clearly interface content.It is this to turn one's head and leaned to one side during running car is especially run at high speed
The behavior of control large-size screen monitors in manipulation is gone to disperse the attention of driver, and the sight of driver is caused to be transferred to middle control greatly from road conditions
On screen, danger coefficient is larger.
Invention content
In order to solve the technical issues of above-mentioned, the object of the present invention is to provide a kind of auxiliary display sides of automobile middle control large-size screen monitors
Method and system.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of auxiliary display method of automobile middle control large-size screen monitors, includes the following steps：
When listening to the trigger signal for starting secondary screen pattern, establish and connect with instrument；
After the screen data stream that large-size screen monitors are controlled in real-time interception, instrument end is sent to for screen display.
Further, the trigger signal is by installing idler wheel or button triggering on the steering wheel.
Further, it after the screen data stream that large-size screen monitors are controlled in the real-time interception, is sent to instrument end and is shown for screen
The step of showing specifically includes：
According to preset time interval, the screen data stream of large-size screen monitors is controlled in timing in intercepting；
After the data flow of current data stream and last interception is compared, the difference number between data flow twice is obtained
According to the screen data stream arrived as real-time interception；
The screen data stream is sent to instrument end for screen display.
Further, the form of the data flow is byte arrays, described by current data stream and the data of last interception
After stream is compared, the step of screen data stream that the variance data between data flow twice is arrived as real-time interception is obtained
Suddenly, it specifically includes：
Newly-built difference index set and variance data set；
Compare current data stream and the numerical value of each in the byte arrays of the data flow of last interception successively, and then
Array indexing of each different value in the byte arrays of current data stream is added in difference index set, while will be current
The corresponding different value of data flow is added in variance data set；
Judge whether the size of variance data set is more than the preset ratio threshold of the size of the byte arrays of current data stream
Value, if the screen data stream for then arriving current data stream as real-time interception, conversely, difference is indexed set and difference
The screen data stream that data acquisition system is arrived as real-time interception.
Further, it is further comprising the steps of：
According to the screen data stream received, corresponding picture is shown on instrument screen.
Further, the form of the screen data stream is byte arrays or difference index set and variance data collection
It closes, the screen data stream that the basis receives, show corresponding picture on instrument screen the step of, is specially：
The data format of screen data stream received is judged, if the screen data stream received is byte number
Group after the screen data received circulation then is turned to picture, is shown on instrument screen；
Conversely, if the screen data stream received is difference index set and variance data set, difference is traversed
Index set and variance data set read each index value of difference index set and each data value of variance data set
Afterwards, the numerical value at manipulative indexing in byte arrays of instrumented data stream that instrument is currently shown is replaced with to the data value of reading,
Finally, after traversal, using replaced instrumented data stream as new data flow byte arrays, and then by the data character stream
After joint number group is converted into picture, shown on instrument screen.
Further, it is further comprising the steps of：
After connection being established with instrument, the operation signal of monitoring users on the steering wheel, and updated according to the operation signal
The screen data stream of middle control large-size screen monitors, and perform corresponding operation；
The operation signal passes through to being obtained after installing idler wheel or button progress signal acquisition on the steering wheel.
Further, after the screen data stream that large-size screen monitors are controlled in the real-time interception, instrument end is sent to for screen
It is further comprising the steps of after the step of display：
It when listening to the trigger signal for terminating secondary screen pattern, is disconnected with instrument, and stops control large-size screen monitors in interception
Screen data stream.
Further, it is total by using the Socket modes based on ICP/IP protocol or by CAN connection to be established with instrument
Line establishes connection.
Another technical solution is used by the present invention solves its technical problem：
A kind of auxiliary display system of automobile middle control large-size screen monitors, including：
At least one processor；
At least one processor, for storing at least one program；
When at least one program is performed by least one processor so that at least one processor is realized
The auxiliary display method of the automobile middle control large-size screen monitors.
The method of the present invention, the advantageous effect of system are：The present invention receives to start secondary screen mould listening to CAN bus
It during the trigger signal of formula, establishes and connects with instrument, control the secondary screen of large-size screen monitors as in by using instrument screen, middle control large-size screen monitors
Interface display is synchronized to instrument screen so that driver can be watched by instrument screen in the interface display of middle control large-size screen monitors
Hold, do not need to turn one's head towards middle control large-size screen monitors, improve the safety of user's driving procedure.
Description of the drawings
Fig. 1 is the flow chart of the auxiliary display method of the automobile middle control large-size screen monitors of the present invention；
Fig. 2 is the schematic diagram of the overall technical architecture of the present invention；
Fig. 3 is the electronic block diagrams of the auxiliary display system of the automobile middle control large-size screen monitors of the present invention.
Specific embodiment
Embodiment of the method
With reference to Fig. 1, the present invention provides a kind of auxiliary display methods of automobile middle control large-size screen monitors, include the following steps：
S1, when listening to the trigger signal for starting secondary screen pattern, establish and connect with instrument；
After the screen data stream that large-size screen monitors are controlled in S2, real-time interception, instrument end is sent to for screen display.
In the present solution, controlling the secondary screen of large-size screen monitors in by the use of instrument screen, the interface display of middle control large-size screen monitors is synchronized to instrument
Table screen so that driver can watch the contents displayed on interface of middle control large-size screen monitors by instrument screen, do not need to turn one's head towards
Middle control large-size screen monitors, improve the safety of user's driving procedure.
When preferably, by pair screen display, screen intensity can be reduced or the screen display of large-size screen monitors is controlled in closing, to reduce consumption
Electricity.
It is further used as preferred embodiment, the trigger signal is touched by installing idler wheel on the steering wheel or button
Hair.
Specifically, in the present embodiment, trigger signal is triggered by the push button idler wheel installed on the steering wheel, especially by
Long-press double-clicks idler wheel and realizes triggering, and the trigger signal of startup/termination pair screen pattern is sent to CAN bus, in practical application, is opened
The content of the trigger signal of the secondary screen pattern of dynamic/termination may be the same or different, and when trigger signal is identical, monitor for the first time
To the trigger signal, then start secondary screen pattern, establish and connect with instrument；The trigger signal is listened to for the second time, then terminates secondary screen
Pattern is disconnected with instrument.
The schematic diagram of technical solution of the present invention is as shown in Fig. 2, steering wheel is mainly used for realizing that auxiliary is aobvious as control centre
Show control, driver triggers corresponding trigger signal by the push button idler wheel installed on the steering wheel, realizes that startup auxiliary is aobvious
Show or terminate the function of auxiliary display.Middle control large-size screen monitors send display content according to the trigger signal received at steering wheel
To instrument end for screen display, instrument controls the secondary screen of large-size screen monitors as in, realizes that the auxiliary of centering control large-size screen monitors is shown.
User only needs for starting the triggering of secondary screen pattern to believe by installing idler wheel on the steering wheel or button triggering
It number can enter secondary screen pattern, control the display picture of large-size screen monitors in simultaneous display by instrument display screen, it is easy to operate, convenient,
And this operating process also without stretch out one's hand touch in control large-size screen monitors, improve processing safety.
Preferred embodiment is further used as, the step S2 is specifically included：
S21, according to preset time interval, the screen data stream of large-size screen monitors is controlled in timing in intercepting；It is preset in the present embodiment
Time interval is set as 40 milliseconds, and a screen data stream is intercepted every 40 milliseconds；
S22, after the data flow of current data stream and last interception is compared, the difference between data flow twice is obtained
Heteromerism is according to the screen data stream arrived as real-time interception；Current data stream refers to the data flow of current time interception；
S23, the screen data stream is sent to instrument end for screen display.
In this implementation, screen data flow table shows middle control large-size screen monitors in the data flow played in real time, and screen data flow table is shown
Intercept the screen data stream that instrument to be sent to carries out the middle control large-size screen monitors of secondary screen display.
In this step, by the way that the data flow of priority interception is compared, so as to check the difference for obtaining former and later two pictures
After alienation data, discrepant data are only transmitted, it is possible to reduce the transmission of data volume avoids causing because data volume is excessive
Now the problems such as picture interim card, the stability of auxiliary display is improved, and reduce the transmission of data volume, go back and data biography can be improved
Defeated speed carries out the update that auxiliary shows picture much sooner.
It is further used as preferred embodiment, the form of the data flow is byte arrays, the step S22, specifically
For：
S221, newly-built difference index set and variance data set；
S222, compare current data stream and the number of each in the byte arrays of the data flow of last interception successively
Value, and then array indexing of each different value in the byte arrays of current data stream is added in difference index set, together
When the corresponding different value of current data stream is added in variance data set；
S223, judge whether the size of variance data set is more than the default ratio of the size of the byte arrays of current data stream
Example threshold value, if the screen data stream for then arriving current data stream as real-time interception, conversely, by difference index set with
The screen data stream that variance data set is arrived as real-time interception.
Preset ratio threshold value is the value being configured according to user demand or operating experience, and value range is between 0-1.
In the present embodiment, preset ratio threshold value is set as 1/2, i.e. the size of variance data set is more than the byte arrays of current data stream
Size 1/2 when, represent before and after intercept twice picture it is widely different, therefore, using current data stream as real-time interception
The screen data stream arrived is sent to instrument end for screen display, the directly entire display picture of update.
Preferred embodiment is further used as, it is further comprising the steps of：
The screen data stream that S3, basis receive, shows corresponding picture on instrument screen.
It is noted that in this method, perform step S1-S2 is middle control large-size screen monitors end, and perform step S3 is instrument end.In
The signal in CAN bus is monitored at control large-size screen monitors end in real time, during so as to listening to for starting the trigger signal of secondary screen pattern, with instrument
Table establishes connection, shields display pattern into pair.Instrument end is when receiving screen data stream, the display pair on instrument screen
The picture answered realizes that the auxiliary of centering control large-size screen monitors is shown.
Preferred embodiment is further used as, the form of the screen data stream is indexed for byte arrays or difference
Set and variance data set, the step S3 are specially：
The data format of screen data stream received is judged, if the screen data stream received is byte number
Group after the screen data received circulation then is turned to picture, is shown on instrument screen；
Conversely, if the screen data stream received is difference index set and variance data set, difference is traversed
Index set and variance data set read each index value of difference index set and each data value of variance data set
Afterwards, the numerical value at manipulative indexing in byte arrays of instrumented data stream that instrument is currently shown is replaced with to the data value of reading,
Finally, after traversal, using replaced instrumented data stream as new data flow byte arrays, and then by the data character stream
After joint number group is converted into picture, shown on instrument screen.
In this step, if the data format of screen data stream received is byte arrays, then it represents that it is whole
Therefore screen data, is directly circulated after turning to picture, is shown on instrument screen by the data of a display picture,
, whereas if the screen data stream received is difference index set and variance data set, represent only poor comprising picture
Alienation data, therefore, it is necessary to the numerical value of the corresponding position of current instrument display picture is replaced with these data.Pass through this step pair
The picture differentiation data of transmission carries out recovery and shows, can accurately restore to show picture.
Preferred embodiment is further used as, it is further comprising the steps of：
S4 and instrument are established after connection, the operation signal of monitoring users on the steering wheel, and according to the operation signal more
The screen data stream of control large-size screen monitors in new, and perform corresponding operation；
The operation signal passes through to being obtained after installing idler wheel or button progress signal acquisition on the steering wheel.
The executive agent of this step is middle control large-size screen monitors end, for middle control large-size screen monitors, after it enters secondary screen pattern, is monitored in real time
The operation signal of user on the steering wheel, and the screen data stream of large-size screen monitors is controlled in being updated according to the operation signal, for example, when monitoring
When operating upward or downward to user's execution, that is, need to show that picture shows corresponding operation upward or downward in middle control large-size screen monitors
Therefore variation, controls the screen data stream of large-size screen monitors, while if the operation signal listened to is point in being updated according to the operation signal
It the operations such as hits, slide, representing that user want centering control large-size screen monitors to perform corresponding operation, therefore, it is necessary to believe according to the operation listened to
Number perform corresponding operation.
By installing idler wheel or the corresponding operation signal of button triggering on the steering wheel, i.e., this step, user only need
Corresponding operation can be performed with centering control large-size screen monitors, this operating process does not need to stretch out one's hand large-size screen monitors in touch, improves operation peace
Quan Xing.
Further, it is noted that in the present embodiment, sequence is performed there is no priority between step S3 and S4, is performing S2
Later, step S3 can be first carried out, step S4 can also be first carried out.Because step S3 and S4 are big at instrument end and middle control respectively
Shield what end performed, after execution of step S2, step S3 and S4 can also be performed simultaneously.
Preferred embodiment is further used as, it is further comprising the steps of after the step S4：
S5, when listening to the trigger signal for terminating secondary screen pattern, disconnected with instrument, and stop controlling large-size screen monitors in interception
Screen data stream.
Specifically, disconnect with instrument, and stop in interception after the screen data stream of control large-size screen monitors, being simultaneously stopped prison
Listen the operation signal of user on the steering wheel.So as to exit secondary screen pattern, instrument screen restores normal instrument display function.
Preferred embodiment is further used as, it is by using based on ICP/IP protocol to establish connection with instrument
Socket modes establish connection by CAN bus.
The specific mode for establishing connection is as follows：
Establish Socket clients in middle control large-size screen monitors, Socket service end established in instrument, by Socket clients and
Socket channels between Socket service end control the data transmission of large-size screen monitors and instrument in realization.
System embodiment
With reference to Fig. 3, a kind of auxiliary display system of automobile middle control large-size screen monitors is present embodiments provided, including：
At least one processor 100；
At least one processor 200, for storing at least one program；
When at least one program is performed by least one processor 100 so that at least one processor
100 realize the auxiliary display method of the automobile middle control large-size screen monitors.
Specifically, this system further includes the idler wheel or button of setting on the steering wheel, the idler wheel or button are connected to processing
Device, user generate corresponding trigger signal by operated roller or button, so as to select to start or terminate secondary screen pattern.Also may be used
With generated by idler wheel or button it is upward, downward, to the left, to the right, click etc. operation signals.
The auxiliary display system of the automobile middle control large-size screen monitors of the present embodiment, the vapour that executable the method for the present invention embodiment is provided
The auxiliary display method of large-size screen monitors is controlled in vehicle, it is corresponding to have this method for the arbitrary combination implementation steps of executing method embodiment
Function and advantageous effect.
It is that the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of auxiliary display method of automobile middle control large-size screen monitors, which is characterized in that include the following steps：
When listening to the trigger signal for starting secondary screen pattern, establish and connect with instrument；
After the screen data stream that large-size screen monitors are controlled in real-time interception, instrument end is sent to for screen display.
2. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that the trigger signal is led to
Cross idler wheel or the button triggering installed on the steering wheel.
3. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that in the real-time interception
After the screen data stream for controlling large-size screen monitors, the step of instrument end is for screen display is sent to, is specifically included：
According to preset time interval, the screen data stream of large-size screen monitors is controlled in timing in intercepting；
After the data flow of current data stream and last interception is compared, the variance data obtained between data flow twice is made
The screen data stream arrived for real-time interception；
The screen data stream is sent to instrument end for screen display.
4. the auxiliary display method of automobile middle control large-size screen monitors according to claim 3, which is characterized in that the lattice of the data flow
Formula is byte arrays, after the data flow by current data stream and last interception is compared, obtain twice data flow it
Between variance data arrived as real-time interception screen data stream the step of, specifically include：
Newly-built difference index set and variance data set；
Compare current data stream and the numerical value of each in the byte arrays of the data flow of last interception successively, and then will be every
Array indexing of a different value in the byte arrays of current data stream is added in difference index set, while by current data
Corresponding different value is flowed to be added in variance data set；
Judge whether the size of variance data set is more than the preset ratio threshold value of the size of the byte arrays of current data stream, if
It is the screen data stream for arriving current data stream as real-time interception, conversely, difference is indexed set and variance data
Gather the screen data stream arrived as real-time interception.
5. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that further include following step
Suddenly：
According to the screen data stream received, corresponding picture is shown on instrument screen.
6. the auxiliary display method of automobile middle control large-size screen monitors according to claim 5, which is characterized in that the screen-picture number
According to the form of stream for byte arrays or difference index set and variance data set, the screen data that the basis receives
Stream show corresponding picture on instrument screen the step of, is specially：
Judge the data format of screen data stream received, if the screen data stream received is byte arrays,
After the screen data received circulation then is turned to picture, shown on instrument screen；
Conversely, if the screen data stream received is difference index set and variance data set, difference index is traversed
Set and variance data set, after reading each index value of difference index set and each data value of variance data set,
Numerical value at manipulative indexing in byte arrays of instrumented data stream that instrument is currently shown is replaced with to the data value of reading, most
Afterwards, after traversal, using replaced instrumented data stream as new data flow byte arrays, and then by the data flow byte
After array is converted into picture, shown on instrument screen.
7. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that further include following step
Suddenly：
After connection being established with instrument, the operation signal of monitoring users on the steering wheel, and controlled in being updated according to the operation signal
The screen data stream of large-size screen monitors, and perform corresponding operation；
The operation signal passes through to being obtained after installing idler wheel or button progress signal acquisition on the steering wheel.
8. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that in the real-time interception
It is further comprising the steps of after being sent to instrument end for the step of screen display after the screen data stream of middle control large-size screen monitors：
It when listening to the trigger signal for terminating secondary screen pattern, is disconnected with instrument, and stops controlling the screen of large-size screen monitors in interception
Picture data stream.
9. the auxiliary display method of automobile middle control large-size screen monitors according to claim 1, which is characterized in that establish and connect with instrument
It is to establish connection by using the Socket modes based on ICP/IP protocol or by CAN bus.
10. a kind of auxiliary display system of automobile middle control large-size screen monitors, which is characterized in that including：
At least one processor；
At least one processor, for storing at least one program；
When at least one program is performed by least one processor so that at least one processor is realized as weighed
Profit requires the auxiliary display method of 1-9 any one of them automobile middle control large-size screen monitors.
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| CN110293842A (en) * | 2019-06-27 | 2019-10-01 | 重庆长安汽车股份有限公司 | A kind of combination instrument display methods, combination instrument and automobile |
| CN110659007A (en) * | 2019-08-22 | 2020-01-07 | 上海赫千电子科技有限公司 | Multi-screen interaction method applied to automobile |
| CN111147495A (en) * | 2019-12-27 | 2020-05-12 | 常州新途软件有限公司 | Communication method between vehicle machine and instrument |
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