CN105912360A - Vehicle-mounted system expansion board, vehicle-mounted system and application method thereof - Google Patents
Vehicle-mounted system expansion board, vehicle-mounted system and application method thereof Download PDFInfo
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- CN105912360A CN105912360A CN201610213532.2A CN201610213532A CN105912360A CN 105912360 A CN105912360 A CN 105912360A CN 201610213532 A CN201610213532 A CN 201610213532A CN 105912360 A CN105912360 A CN 105912360A
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- onboard system
- board
- expansion board
- core board
- vehicle
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 17
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 101150076104 EAT2 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Computer Security & Cryptography (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The invention provides a vehicle-mounted system expansion board, a vehicle-mounted system and an application method thereof. The vehicle-mounted system expansion board includes a core board, and a control interface which is connected to the core board and a vehicle-mounted system control circuit; and the core board is controlled by an internal processing logic executed by the vehicle-mounted system where the core board is located. The vehicle-mounted system expansion board can achieve flexible upgrade of the vehicle-mounted system.
Description
Technical field
The present invention relates to Power Electronic Technique, particularly relate to a kind of onboard system expansion board clamping,
Onboard system and application process thereof.
Background technology
Along with the development of mobile communication technology, consumer's requirement to vehicle entertainment system
More and more higher, and the technology innovation of automobile industry goes up many slowly than scientific and technological industry.Generally
In the case of, the hardware of vehicle module and most application software all in manufacturer in automobile production
When have cured, they can be scrapped along with scrapping of automobile, so its Life Cycle
Phase is usually 5～10 times of consumption electronic product.This just requires that vehicle electronics Chevron Research Company (CRC) is to it
Product after dispatching from the factory is upgraded for a long time.
Inventor finds that prior art has following defects that owing to electronic product updates very
Hurry up, only greatly enhance cost by software upgrading onboard system, there is also a lot of office
Limit.
Summary of the invention
The embodiment of the present invention provides a kind of onboard system expansion board clamping, onboard system and application thereof
Method, to realize upgrading onboard system function flexibly.
For reaching above-mentioned purpose, embodiments provide a kind of onboard system expansion board clamping,
Described onboard system expansion board clamping includes: core board, connect described core board and vehicle-mounted system
The control interface of system control circuit, in the onboard system at described core board its place controlled performs
The process logic put.
In onboard system expansion board clamping as above, described control interface is that PCIE bus connects
Mouthful.
Onboard system expansion board clamping as above is integrated with for what onboard system was upgraded and is
System function program.
The embodiment of the present invention additionally provides a kind of onboard system, including: expansion board clamping identification list
Unit, and onboard system expansion board clamping as above；Described expansion board clamping recognition unit exists
After described onboard system starts, monitor the existence of described onboard system expansion board clamping in real time.
In onboard system as above, also including: board switch unit, described board is cut
Change unit to be switched to by described core board currently perform mainboard according to logic of propositions.
In onboard system as above, also include: be connected with described board switch unit
Temperature conditioning unit.
The embodiment of the present invention additionally provides the application process of a kind of onboard system, described vehicle-mounted system
System is onboard system as above, and described method includes: after onboard system powers on, and expands
Whether panel card recognition unit monitoring car loading system exists core board, if monitoring result is yes,
Then described core board is switched to and currently perform mainboard.
In method as above, in described expansion board clamping recognition unit monitoring car loading system
Whether there is core board to include: described expansion board clamping recognition unit monitoring car loading system controls electricity
The EBI on road.
In method as above, also include: temperature conditioning unit monitors the temperature of described core board,
And time beyond described temperature is positioned at preset temperature interval, triggering described board switch unit will
The master control borad preset in onboard system switches to and currently performs mainboard.
Onboard system expansion board clamping, onboard system and the application side thereof that the embodiment of the present invention provides
Method, increases the expansion board with core board in existing onboard system, and in this core board
Being built-in with independent process logic, onboard system this core board changeable is as currently performing master
Plate, thus upgrading or the function of increase current vehicle loading system.
Described above is only the general introduction of technical solution of the present invention, in order to better understand this
The technological means of invention, and can be practiced according to the content of specification, and in order to allow this
Above and other objects, features and advantages of invention can become apparent, below especially exemplified by this
The detailed description of the invention of invention.
Accompanying drawing explanation
The structural representation of the onboard system expansion board clamping embodiment that Fig. 1 provides for the present invention；
One structural representation of the onboard system embodiment that Fig. 2 provides for the present invention；
Another structural representation of the onboard system embodiment that Fig. 3 provides for the present invention；
The method flow diagram of the application process embodiment of the onboard system that Fig. 4 provides for the present invention.
Description of reference numerals:
1-core board；2-controls interface；3-expansion board clamping recognition unit；4-onboard system extends
Board；5-board switch unit；6-temperature conditioning unit；U-presets master control borad；C-onboard system
Control circuit.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although it is attached
Figure shows the exemplary embodiment of the disclosure, it being understood, however, that can be with various shapes
Formula realizes the disclosure and should not limited by embodiments set forth here.On the contrary, it is provided that these
Embodiment is able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Embodiment one
The structural representation of the onboard system expansion board clamping embodiment that Fig. 1 provides for the present invention,
This onboard system expansion board clamping 4 includes: core board 1, connection core board 1 and onboard system
The control interface 2 of control circuit C, in the onboard system at core board 1 its place controlled performs
The process logic put.
Partial circuit in Fig. 1 shows the Main functional units that existing onboard system includes:
Preset master control borad U and onboard system control circuit C.Wherein, master control borad U is preset suitable
In the central processor CPU of onboard system, it is real that it can control onboard system control circuit C
Existing various car entertainment functions, as play audio frequency, video and the control of other functions.Control
Onboard system control circuit C processed can be according to the function command of default master control borad U, by such as collection
Become circuit built-in audio bus, voice data is carried out encoding and decoding, thus and external loudspeaker
Or microphone to realize voice data mutual；Or, control onboard system control circuit C and receive
The control instruction that user inputs on the touchscreen performs control action, it is also possible to as liquid crystal display
Screen output video data shows.Fig. 1 is only the frame illustrating existing onboard system
Structure, and be not limited.
Onboard system expansion board clamping 4 shown in the embodiment of the present invention is based on existing onboard system
Framework, and upgrade the partial function of former default master control borad U by increasing core board 1,
Or increase New function.These upgradings or the process logic of newly-increased function or unit collect the most in advance
Become in core board 1.In other words, this core board 1 is equivalent to another CPU of onboard system,
In order to be combined with existing onboard system by core board 1, the present embodiment is at the car illustrated
Loading system expansion board clamping 4 adds control good to eat 2.By controlling interface 2 and onboard system
Control circuit C interacts, it is achieved similar former default master control borad U controls electricity with onboard system
Mutual between the C of road.
Preset master control borad U and can be considered the CPU of car rule level, i.e. car rule level module in onboard system
System1, system1 have the most possessed the specification standards on a set of hardware when vehicle release,
Chip scale and process logic including shaping.Core board 1 can be considered in onboard system to be consumed
The CPU of level, i.e. consumer level module system2, system2 can independently produce and constantly update
And upgrading.User can choose to be had the core board 1 of difference in functionality and performance and is equipped in vehicle-mounted
In system, thus extension or upgrading onboard system performance.
Further, above-mentioned control interface 2 can be but be not limited to PCIE EBI, control
Interface 2 processed is by for realizing number between PCIE bus protocol and onboard system control circuit C
According to and information mutual.This onboard system control circuit C can be that programmable gate array is constituted
Circuit.
As presetting the upgrading board of master control borad U for onboard system Central Plains, this onboard system
Expansion board clamping 4 can be integrated with system facilities for onboard system upgrading in advance.
Specifically, work on power at onboard system or, core board 1 can be selected by preset logic
As currently performing mainboard, i.e. work at present CPU, each function controlling onboard system sets
Standby normal work.
The onboard system expansion board clamping that the embodiment of the present invention provides, by independent process logic
Put in core board, and existing vehicle-mounted by controlling being arranged on by core board of i.e. plugging of interface
In system, onboard system is carried out system upgrade or function renewal, thus improves vehicle-mounted system
The service quality of system.
Embodiment two
The structural representation of the onboard system embodiment that Fig. 2 provides for the present invention, this vehicle-mounted system
System includes: expansion board clamping recognition unit 3, and onboard system expansion board as shown in Figure 1
Card 4；This expansion board clamping recognition unit 3 onboard system start after, real-time monitoring car loading system
The existence of expansion board clamping 4.
Specifically, this onboard system can comprise the institute of existing onboard system as shown in Figure 1
There is the function of framework.Meanwhile, this onboard system is also additionally arranged above-mentioned onboard system and expands plate
Card 4, and this onboard system expansion board 4 is by controlling interface 2 and onboard system control circuit
C realizes mutual.
Expansion board clamping recognition unit 3 is after onboard system starts, and real-time monitoring car loading system expands
Whether panel card 4 has already accessed in onboard system.Such as, monitoring car loading system can be passed through
Whether the control interface 2 expanding board 4 exists mutual letter in onboard system control circuit C
Number identify whether onboard system expansion board clamping 4 exists.When monitoring onboard system expansion board
When blocking 4, just can trigger onboard system and use core board 2 to process each as the current mainboard that performs
The task of kind or data.
Further, as it is shown on figure 3, above-mentioned onboard system also includes: board switching is single
Unit 5, core board 1 can be switched to current execution according to logic of propositions by this board switch unit 5
Mainboard.
Such as, when expansion board clamping recognition unit 3 is after onboard system starts, monitor vehicle-mounted
System ExPand card card 4 has already accessed in onboard system, then can call board by triggering and cut
Change unit 5 to be switched to by core board 1 and currently perform mainboard；Or, at former default master control borad
When U breaks down, core board 1 is switched to and currently performs mainboard.Meanwhile, board switching
Unit 5 also can switch back into default main by currently performing mainboard according to logic of propositions from core board 1
Control plate U, to ensure that, when core board 1 breaks down, onboard system can normally work.
Table 1 shows core board 1 and the concrete function responsibility of default master control borad U in onboard system:
The function ("○" represents can perform this function) of table 1 onboard system
Further, above-mentioned onboard system also includes: the temperature being connected with board switch unit 5
Control unit 6.Owing to this onboard system is operated in car, its working environment may face harsh
High and low temperature environment.For the protection to core board 1, onboard system is additionally arranged temperature control list
Unit 6, this temperature conditioning unit 6 includes the temperature sensor of real-time monitoring core plate 1, and by being somebody's turn to do
Sensor obtains the temperature data of core board 1.When core board 1 temperature design temperature it
Outward, board switch unit 5 can be closed core board 1 in time and be worked, as by appointing of processing
Business or data exchange continue with on default master control borad U.
The onboard system that the embodiment of the present invention provides, can be by built-in onboard system expansion board
Card 4 carries out system and performs the switching of mainboard, on the basis of need not change mainboard, to car
Loading system itself carries out system upgrade and Function Extension.
Embodiment three
The flow chart of the application process embodiment of the onboard system that Fig. 4 provides for the present invention, should
The onboard system related in method is the onboard system as shown in Fig. 2 or Fig. 3.Such as Fig. 4
Shown in, the application process of this onboard system includes:
S410, after onboard system powers on, expansion board clamping recognition unit 3 monitoring car loading system
In whether there is core board 1.
S420, if monitoring result is yes, then switches to core board 1 and currently performs mainboard.
Such as, expansion board clamping recognition unit 3 can the bus of monitoring car loading system control circuit C in real time
Interface, if connect and have above-mentioned control interface 2, if be detected that there is interface signal, the most really
Determine core board 1 to be already connected on onboard system；Now, can trigger board switch unit 5 will
Core board 1 switches to and currently performs mainboard.
During core board 1 processes task and data as current execution mainboard, also may be used
To be monitored the temperature of core board 1 by temperature conditioning unit 6, and it is positioned at preset temperature district in temperature
Time beyond between, trigger board switch unit 5 and the master control borad preset in onboard system is switched to
Currently perform mainboard, thus avoid core board 1 to work at a temperature of too high or too low, prolong
Grow the service life of core board 1.
During actual automobile uses, along with the development of information technology, the network bandwidth increases,
The raising of chip processing speed, application program updating etc., the performance of vehicle entertainment system is not enough to
Meet the requirement of current application running software.In this case, it is not necessary to change whole amusement system
System, only can complete the upgrading to entertainment systems performance by upgrading core board 1, complete place
The reason update such as device, RAM, ROM, can also protect in the life cycle that automobile is longer
Hold the performance advantage of onboard system.
The application process of the onboard system that the embodiment of the present invention provides, increases based in onboard system
If onboard system expansion board clamping, the allomeric function service of onboard system can be improved, allow user
Enjoy more preferable vehicle-mounted service experience.
One of ordinary skill in the art will appreciate that: realize the whole of above-mentioned each method embodiment
Or part steps can be completed by the hardware that programmed instruction is relevant.Aforesaid program is permissible
It is stored in a computer read/write memory medium.This program upon execution, performs to include
State the step of each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic
The various medium that can store program code such as dish or CD.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: foregoing embodiments still can be remembered by it
The technical scheme carried is modified, or carries out the most some or all of technical characteristic
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this
Invent the scope of each embodiment technical scheme.
Claims (9)
1. an onboard system expansion board clamping, it is characterised in that described onboard system expansion board
Card includes: core board (1), connects described core board (1) and onboard system and controls electricity
The control interface (2) on road (C), the onboard system at described core board (1) its place controlled
Perform built-in process logic.
Onboard system expansion board clamping the most according to claim 1, it is characterised in that institute
Stating control interface (2) is PCIE EBI.
Onboard system expansion board clamping the most according to claim 1 and 2, it is characterised in that
Described onboard system expansion board clamping is integrated with the systemic-function journey for onboard system upgrading
Sequence.
4. an onboard system, it is characterised in that described onboard system includes: expansion board clamping
Recognition unit (3), and the onboard system extension as according to any one of claim 1-3
Board (4)；Described expansion board clamping recognition unit (3) described onboard system start after,
Monitor the existence of described onboard system expansion board clamping (4) in real time.
Onboard system the most according to claim 4, it is characterised in that described vehicle-mounted
System also includes: board switch unit (5), and described board switch unit (5) is according to pre-
If described core board (1) is switched to and currently performs mainboard by logic.
Onboard system the most according to claim 5, it is characterised in that described vehicle-mounted
System also includes: the temperature conditioning unit (6) being connected with described board switch unit (5).
7. the application process of an onboard system, it is characterised in that described onboard system is such as
Onboard system described in claim 4 or 5, described method includes:
After onboard system powers on, in expansion board clamping recognition unit (3) monitoring car loading system
Whether there is core board (1), if monitoring result is yes, then described core board (1) is cut
It is changed to currently perform mainboard.
Method the most according to claim 7, it is characterised in that described expansion board clamping
Whether recognition unit (3) monitoring car loading system exists core board (1) including:
Described expansion board clamping recognition unit (3) monitoring car loading system control circuit (C)
EBI.
9. according to the method described in claim 7 or 8, it is characterised in that described method
Also include:
Temperature conditioning unit (6) monitors the temperature of described core board (1), and at described temperature level
Time beyond preset temperature interval, trigger described board switch unit (5) by onboard system
In the master control borad preset switch to and currently perform mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213532.2A CN105912360A (en) | 2016-04-07 | 2016-04-07 | Vehicle-mounted system expansion board, vehicle-mounted system and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213532.2A CN105912360A (en) | 2016-04-07 | 2016-04-07 | Vehicle-mounted system expansion board, vehicle-mounted system and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105912360A true CN105912360A (en) | 2016-08-31 |
Family
ID=56745767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610213532.2A Pending CN105912360A (en) | 2016-04-07 | 2016-04-07 | Vehicle-mounted system expansion board, vehicle-mounted system and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110502470A (en) * | 2019-09-09 | 2019-11-26 | 中山市天启智能科技有限公司 | A kind of cluster server mainboard |
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Effective date of registration: 20190325 Address after: 100015 Building No. 7, 74, Jiuxianqiao North Road, Chaoyang District, Beijing, 001 Applicant after: FAFA Automobile (China) Co., Ltd. Address before: 511458 9, Nansha District Beach Road, Guangzhou, Guangdong, 9 Applicant before: Hengda Faraday future intelligent vehicle (Guangdong) Co., Ltd. |
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