CN205563581U - On -vehicle hypersystem and vehicle - Google Patents
On -vehicle hypersystem and vehicle Download PDFInfo
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- CN205563581U CN205563581U CN201620190199.3U CN201620190199U CN205563581U CN 205563581 U CN205563581 U CN 205563581U CN 201620190199 U CN201620190199 U CN 201620190199U CN 205563581 U CN205563581 U CN 205563581U
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Abstract
The utility model discloses an on -vehicle hypersystem and vehicle. On -vehicle hypersystem includes first system, second system, little the control unit and gating switch, wherein, little the control unit respectively with first system with the second headtotail, gating switch respectively with first system with the second headtotail, first system has networking function, and prohibits the 2nd system access network. So the scheme helps the function through the on -vehicle multi -media of first system expansion to security through the 2nd system assurance privacy of user data and driving.
Description
Technical field
This utility model relates to automotive field, in particular it relates to a kind of in-vehicle multi-media system and vehicle.
Background technology
Along with gradually popularizing of the growing of vehicle mounted multimedia screen enlarging and car networking technology, vehicle-mounted many
Media are increasingly becoming an important mobile terminal system of user, the closed system of car machine of tradition the small screen
System, cannot meet the growing entertainment orientation of user and multimedization demand gradually.Based on this, many cars
Carry multimedia all to start to carry networking module, it is allowed to user, according to personal like, installs what user liked
APP applies, and expands the function of vehicle mounted multimedia with this.
The scheme of above-mentioned expansion vehicle mounted multimedia function, while meeting user's request, returning malice should
With providing opportunity.After malicious application invasion, the private data of car owner may be obtained, it is also possible to
Vehicle mounted multimedia can be controlled and send false command to some parts of vehicle, affect the safe driving of car owner.
Utility model content
The purpose of this utility model is to provide a kind of in-vehicle multi-media system and vehicle, helps to ensure that user
Private data and the safety of driving.
This utility model embodiment provides a kind of in-vehicle multi-media system, including the first system, second is
System, micro-control unit and gating switch, wherein, described micro-control unit respectively with described the first system and
Described second system connects, and described gating switch is connected with described the first system and described second system respectively,
Described the first system has network savvy, and forbids described second system access network.
Alternatively, described the first system includes the first processing unit and networking module, and described first processes list
Unit is connected with described micro-control unit, described networking module and described gating switch respectively；At described first
Reason unit, for receiving the first video frequency output instruction that described micro-control unit sends, and by described choosing
Opening up pass, the video signal transmission exported by described networking module carries out video display to vehicle displays.
Alternatively, described the first system also includes the first car thermomechanical components, and described first car thermomechanical components is with described
First processing unit connects；Described first car thermomechanical components, for described first processing unit output video
Signal.
Alternatively, described first car thermomechanical components includes mobile memory interface.
Alternatively, described second system includes the second processing unit and video signal collective module, described
Two processing units respectively with described micro-control unit, described video signal collective module and described gating switch
Connect；Described second processing unit, the second video frequency output sent for receiving described micro-control unit refers to
Order, and by described gating switch, the video signal transmission described video signal collective module obtained is extremely
Vehicle displays carries out video display.
Alternatively, described video signal collective module is the photographic head being arranged on vehicle body or panoramic shooting mould
Block.
Alternatively, described second system is connected with described the first system；Described second system, is used for receiving
And process the audio signal that described the first system exports, and carry out audio frequency broadcasting.
Alternatively, described the first system includes the first processing unit and networking module, and described first processes list
Unit is connected with described networking module and described second system respectively；Described first processing unit, is used for receiving
The audio signal of described networking module output, and transmit to described second system.
Alternatively, described the first system also includes sound identification module, and described sound identification module is with described
First processing unit connects；Described sound identification module, for identifying the voice signal that user inputs, and
Output is to described first processing unit.
Alternatively, described the first system also includes the first car thermomechanical components, and described first car thermomechanical components is with described
First processing unit connects；Described first car thermomechanical components, for described first processing unit output audio frequency
Signal.
Alternatively, described first car thermomechanical components includes mobile memory interface.
Alternatively, described second system includes the second processing unit and audio playing module, at described second
Reason unit is connected with described audio playing module and described the first system respectively；Described second processing unit,
For receiving and process the audio signal of described the first system output, and transmit to described audio playing module
Carry out audio frequency broadcasting.
Alternatively, described second system also includes the second car thermomechanical components, and described second car thermomechanical components is with described
Second processing unit connects；Described second car thermomechanical components, for described second processing unit output audio frequency
Signal.
Alternatively, described second car thermomechanical components includes radio receiver module, described radio receiver module and microcontroller
Unit connects, and by frequency modulation left and right acoustic channels to described second processing unit output audio signal.
Alternatively, described micro-control unit is connected with described gating switch, and described gating switch receives described
The gating signal that micro-control unit sends, and according to this gating signal select the first system or second system with
Vehicle displays connects.
Alternatively, described in-vehicle multi-media system also includes button monitoring modular, described button monitoring modular
It is connected with described micro-control unit；Described button monitoring modular, the steering wheel triggered for monitoring user is pressed
Key signals, and the transmission of described steering wheel push button signalling is processed to described micro-control unit.
Alternatively, described micro-control unit is connected with car load CAN network, be used for realizing described first be
Data interaction between system and described car load CAN network, and/or described second system and described car load
Data interaction between CAN network.
Alternatively, described second system includes the second processing unit, and described second processing unit is micro-with described
Control unit connects, and carries out data interaction by described micro-control unit and described car load CAN network.
Alternatively, described the first system includes the first processing unit, and described first processing unit is micro-with described
Control unit connects, and carries out data interaction by described micro-control unit and described car load CAN network.
Alternatively, described in-vehicle multi-media system also includes safety chip, described safety chip respectively with institute
State the first processing unit and described micro-control unit connects；Described safety chip, to described first
Reason unit output is decrypted process to the data of described micro-control unit, and to described micro-control unit
Output is encrypted to the data of described first processing unit.
This utility model embodiment provides a kind of vehicle, including above-mentioned in-vehicle multi-media system.
In technical solutions of the utility model, in-vehicle multi-media system is divided into two can be with independent operating
System: the first system is open for a user, it is allowed to user loads APP according to personal like, has
Help expand the function of vehicle mounted multimedia；Second system is to close for a user, forbids user's root
Load APP according to personal like, help to ensure that the safety of privacy of user data and driving.
Other feature and advantage of the present utility model will give in detailed description of the invention part subsequently in detail
Explanation.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description,
It is used for explaining this utility model together with detailed description below, but is not intended that this utility model
Restriction.In the accompanying drawings:
Fig. 1 is the structural representation that this utility model in-vehicle multi-media system is a kind of；
Fig. 2 is the composition schematic diagram of this utility model in-vehicle multi-media system implementation one；
Fig. 3 is the alternative structural representation of this utility model in-vehicle multi-media system；
Fig. 4 is the composition schematic diagram of this utility model in-vehicle multi-media system implementation two；
Fig. 5 is another structural representation of this utility model in-vehicle multi-media system；
Fig. 6 is the structural representation of this utility model in-vehicle multi-media system implementation three.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be understood that
It is that detailed description of the invention described herein is merely to illustrate and explains this utility model, is not used to limit
This utility model processed.
In order to improve the safety of in-vehicle multi-media system, in-vehicle multi-media system is divided into by this utility model
Two systems, i.e. use dual system mode of operation.Wherein, the first system user oriented, it is allowed to Yong Hugen
According to personal like, installing the APP application that user likes, this first system is referred to as open system
System；Second system is forbidden accessing the Internet, or it is to be understood that second system forbids that user is according to individual
People likes installation APP application, but can pre-install the APP that some safeties are the highest when carrying out Default Value
Application, this can not be limited by this utility model embodiment, and this second system is referred to as closed system
System.Specifically, car machine high for some safe classes can be arranged in second system, such as, relate to
Photographic head data to safety driving, the control to vehicle etc., can be run by second system.
Below in conjunction with concrete example, the composition of this utility model in-vehicle multi-media system is explained.
See Fig. 1, it is shown that the structural representation of this utility model in-vehicle multi-media system.Vehicle-mounted many matchmakers
System system may include that micro-control unit 10 (English: Microcontroller Unit, be called for short: MCU),
The first system 20, second system 30 and gating switch 40 are (English: SWITCH).Wherein, micro-control
Unit 10 processed is connected with the first system 20 and second system 30 respectively, and gating switch 40 is respectively with first
System 20 and second system 30 connect, and the first system 20 has network savvy, and forbids second system
Connect 30 and enter network.
In a kind of possible embodiment, based on in-vehicle multi-media system of the present utility model, Ke Yixiang
User carries out video display.Such as, MCU10 can control the video signal exported by the first system 20,
Render to carry out on vehicle displays video display；Or, MCU10 can also control second system
The video signal of 30 outputs, renders to carry out on vehicle displays video display.
As a kind of example, if two systems export video signal simultaneously, i.e. two systems are required to carry out
Video display, MCU10 may determine that the priority of two system output video signals, and controls gating
Switch 40, by video signal high for priority, is rendered to vehicle displays and is carried out video display.This practicality
The novel concrete scheme that MCU10 two systems of control are carried out video display can not limit.
For example, micro-control unit 10 can receive video frequency output request, and to the first system 20 or
Second system 30 sends gating signal, and corresponding to this, gating switch 40 can receive from the first system
20 or the gating signal of second system 30, and select the first system 20 or the according to this gating signal
Two system 30 is connected with vehicle displays, carries out video display.
For example, micro-control unit 10 can also be connected with gating switch 40, corresponding to this, micro-
After control unit 10 receives video frequency output request, gating signal can be sent to gating switch 40, with
Gating switch 40 is made to select the first system 20 or second system 30 to show with vehicle according to this gating signal
Display screen connects, and carries out video display.
As a kind of example, video frequency output request can be sent to micro-control unit 10 by the first system 20,
Or, it is also possible to sent to micro-control unit 10 by second system 30, or, it is also possible to by vehicle-mounted many
Media system is outside to be sent to micro-control unit 10, and this can be not specifically limited by this utility model.
As a kind of example, the vehicle displays in this utility model can be common display screen, it is also possible to
For touching display screen, this can be not specifically limited by this utility model.
See Fig. 2, it is shown that the composition schematic diagram of this utility model in-vehicle multi-media system implementation one.
Wherein, the first system 20 can include the first processing unit 2011 and networking module 2012, and first processes
Unit 2011 is connected with micro-control unit 10, networking module 2012 and gating switch 40 respectively.First
Processing unit 2011, for receiving the first video frequency output instruction that micro-control unit 10 sends, and passes through
Gating switch 40, the video signal transmission exported by networking module 2012 carries out video to vehicle displays
Show.
As a kind of example, micro-control unit 10 can be presented as LPC1547, the first processing unit 2011
Can be presented as Z8500, networking module 2012 can be presented as LTE, WIFI, BT (bluetooth),
At least one in GPS.This utility model is to micro-control unit the 10, first processing unit 2011 and connection
The concrete form of net module 2012 can not limit.
When the first system 20 carries out video display, networking module 2012 can be first passed through and obtain video letter
Number, and export to the first processing unit 2011；Being controlled the first processing unit 2011 by MCU10 again will
Video signal exports to gating switch 40, and then renders to carry out on vehicle displays video display.
Alternatively, the first system 20 of utility model can also include the first car thermomechanical components 2013, specifically
Can be found in schematic diagram shown in Fig. 2.First car thermomechanical components 2013 is connected with the first processing unit 2011；The
One car thermomechanical components 2013, for exporting video signal to the first processing unit 2011.
It is to say, the video signal of the first system 20 output, can be obtained also by networking module 2012
Transmission is to the first processing unit 2011；Or, it is also possible to obtained by the first car thermomechanical components 2013 and transmitted
To the first processing unit 2011.As a kind of example, the first car thermomechanical components 2013 can be presented as movement
Memory interface, such as USB interface, memory card interface etc..Specifically, outside mobile memory interface inserts
When connecing equipment, video signal can be obtained by external equipment, and by mobile memory interface transmission to the
One processing unit 2011.For example, if external equipment is preserved the video file of download, then may be used
From external equipment, directly read video signal, and transmit to the first processing unit 2011.Set if external
Get everything ready network savvy, then can network and receive online video signal, and transmit to the first processing unit
2011.This utility model can be not specifically limited by the way of obtaining video signal by external equipment.
See Fig. 2, it is shown that the composition schematic diagram of this utility model in-vehicle multi-media system implementation one.
Wherein, second system 30 can include the second processing unit 3011 and video signal collective module 3012,
Second processing unit 3011 is opened with micro-control unit 10, video signal collective module 3012 and gating respectively
Close 40 connections.Second processing unit 3011, defeated for receiving the second video of micro-control unit 10 transmission
Go out instruction, and by gating switch 40, video signal video signal collective module 3012 obtained passes
Transport to vehicle displays and carry out video display.
As a kind of example, the second processing unit 3011 can be presented as IMX6, video signal collective mould
Block 3012 can be presented as the photographic head being arranged on vehicle body or panoramic shooting module, as backup camera,
At least one in front end photographic head, left front photographic head, right front photographic head.This utility model is at second
The concrete form of reason unit 3011 and video signal collective module 3012 can not limit.
When second system 30 carries out video display, video signal collective module 3012 can be first passed through and obtain
Take video signal, and export to the second processing unit 3011；The second processing unit is controlled again by MCU10
Video signal is exported to gating switch 40 by 3011, and then renders to carry out on vehicle displays video exhibition
Show.
Schematic diagram shown in Figure 6, as a example by panoramic shooting module, what panoramic shooting module collected regards
Frequently signal can be transmitted to the second processing unit by FPD-link；With photographic head before backup camera and the right side
As a example by, the CVBS video signal that before backup camera and the right side, camera collection arrives is through video format modulus of conversion
Block transmits to the second processing unit after being converted to yuv video signal.
In a kind of possible embodiment, based on in-vehicle multi-media system of the present utility model, it is also possible to
Audio frequency broadcasting is carried out to user.Such as, the first system 20 and second system 30 are respectively provided with audio frequency and play merit
Can, then the first system 20 can obtain audio signal and carry out audio frequency broadcasting, and second system 30 can also
Obtain audio signal and carry out audio frequency broadcasting, therebetween can be separate.Or, if the first system
20 do not support that vehicle-mounted loudspeaker, only second system 30 have audio playing function, then may utilize Fig. 3
Shown in-vehicle multi-media system carries out audio frequency broadcasting.
As it is shown on figure 3, second system 30 can be connected with the first system 20；Second system 30, is used for
Receive and process the audio signal of the first system 20 output, and carry out audio frequency broadcasting.As a kind of example,
Can pass through between the first system 20 and second system 30 IIS (Chinese: integrated audio interface, English:
Integrate Interface of Sound) carry out audio signal transmission.It addition, the company of each intermodule in Fig. 3
Connect relation and each module realization of functions, be referred at figure 1 above introduce, the most superfluous
State.
See Fig. 4, it is shown that the composition schematic diagram of this utility model in-vehicle multi-media system implementation two.
Wherein, the first system 20 includes the first processing unit 2021 and networking module 2022, the first processing unit
2021 are connected with networking module 2022 and second system 30 respectively.First processing unit 2021, is used for
Receive the audio signal of networking module 2022 output, and transmit to second system 30.
As a kind of example, micro-control unit 10 can be presented as LPC1547, the first processing unit 2021
Can be presented as Z8500, networking module 2022 can be presented as LTE, WIFI, BT (bluetooth),
At least one in GPS.This utility model is to micro-control unit the 10, first processing unit 2021 and connection
The concrete form of net module 2022 can not limit.
When needing to carry out audio frequency broadcasting, networking module 2022 can be first passed through and obtain audio signal, and defeated
Go out to the first processing unit 2021；By the first processing unit 2021 by audio signal output to second it is again
System 30 carries out audio frequency broadcasting.
Alternatively, the audio signal of the first system 20 output, can be obtained by networking module 2022 and be passed
Transport to the first processing unit 2021, or, it is also possible to obtain audio signal by following two mode.
Mode one, the first system 20 of the present utility model can also include sound identification module 2023, tool
Body can be found in schematic diagram shown in Fig. 4.Sound identification module 2023 is connected with the first processing unit 2021；
Sound identification module 2023, for identifying the voice signal that user inputs, and exports to the first processing unit
2011.As a kind of example, sound identification module 2023 can be presented as voice Mike.
Mode two, the first system 20 of the present utility model can also include the first car thermomechanical components 2024, tool
Body can be found in schematic diagram shown in Fig. 4.First car thermomechanical components 2024 is connected with the first processing unit 2021；
First car thermomechanical components 2024, for exporting audio signal to the first processing unit 2021.Show as one
Example, the first car thermomechanical components 2024 can be mobile memory interface, such as USB interface, memory card interface etc..
By the way of obtaining audio signal by the first car thermomechanical components 2024, be referred to above with respect to
First car thermomechanical components 2013 obtains the introduction that the mode of video signal is made, and here is omitted.
See Fig. 4, it is shown that the composition schematic diagram of this utility model in-vehicle multi-media system implementation two.
Wherein, second system 30 can include the second processing unit 3021 and audio playing module 3022, second
Processing unit 3021 is connected with audio playing module 3022 and the first system 20 respectively.Second processes list
Unit 3021, for receiving and process the audio signal of the first system 20 output, and transmits to audio frequency broadcasting
Module 3022 carries out audio frequency broadcasting.
As a kind of example, can pass through between the second processing unit 3021 and audio playing module 3022
IIS carries out audio signal output, and the second processing unit 3021 can be presented as IMX6, and audio frequency plays mould
Block 3022 can be presented as power amplifier and speaker.
When needing to carry out audio frequency broadcasting, the second processing unit 3021 can be first passed through and receive the first system 20
The audio signal of output, and combine actually used demand, this audio signal is carried out sound channel process and/or mixes
After the Audio Processing such as sound, output to audio playing module 3022 carries out audio frequency broadcasting.
Alternatively, second system 30 of the present utility model can also include the second car thermomechanical components 3023, tool
Body can be found in schematic diagram shown in Fig. 4.Second car thermomechanical components 3023 is connected with the second processing unit 3021；
Second car thermomechanical components 3023, for exporting audio signal to the second processing unit 3021.
It is to say, carry out the audio signal of audio frequency broadcasting, may come from the first system 20 output
Audio signal；Or, it is also possible to come from the audio signal of the second car thermomechanical components 3023 output.As
A kind of example, the second car thermomechanical components 3023 can be radio receiver module, radio receiver module and microcontroller list
Unit 10 connects, and is processed to second by frequency modulation left and right acoustic channels (specifically can be found in FM I/R in Fig. 6)
Unit 3021 exports audio signal.
In a kind of possible embodiment, based on in-vehicle multi-media system of the present utility model, it is also possible to
Button monitoring is carried out to user.Schematic diagram shown in Figure 6, in-vehicle multi-media system can also include by
Key monitoring modular 501, button monitoring modular 501 is connected with micro-control unit 10；Button monitoring modular
501, for monitoring the steering wheel push button signalling that user triggers, and by the transmission of steering wheel push button signalling to micro-
Control unit 10 processes.
It is to say, some function buttons can be arranged on the steering wheel, user is by operating these functions
Vehicle is controlled by button accordingly.For example, it is possible to carry out cutting song, switching display picture etc. by button
Deng, this utility model arranges position, number of keys etc. can be not specifically limited keypress function, button.
When carrying out button monitoring, if monitoring the button that user triggers on steering wheel, button monitoring modular
501 just can obtain this push button signalling, and transmit to micro-control unit 10 and carry out respective handling.
In a kind of possible embodiment, based on in-vehicle multi-media system of the present utility model, it is also possible to
Data interaction is carried out with car load CAN network.For example, it is possible to realize the first system 20 and car load CAN
Data interaction between network；Or, it is also possible to realize between second system 30 and car load CAN network
Data interaction.Structure chart shown in Figure 5, micro-control unit 10 is connected with car load CAN network,
For realizing the data interaction between the first system 20 and car load CAN network, and/or second system 30
And the data interaction between car load CAN network.The annexation of each intermodule and each module in Fig. 5
Realization of functions, is referred at figure 1 above introduce, and here is omitted.
Specifically, the first system 20 can include the first processing unit, the first processing unit and microcontroller
Unit 10 connects, and carries out data interaction by micro-control unit 10 and car load CAN network.
It is to say, when the first system 20 communicates with car load, the first processing unit can will count alternately
According to sending to MCU10, by MCU10 by CAN, interaction data is sent to CAN net
Interdependent node in network.Otherwise, the node in CAN network also can pass through MCU10, by interaction data
Send to the first processing unit.
As a example by vehicle unlocks, the first processing unit obtains after unlocking instruction, and can pass through MCU10 will
This instruction is forwarded to CAN, so be issued to unlock ECU (Chinese: electronic control unit,
English: Electronic Control Unit) to be unlocked process.Correspondingly, after unlocking successfully, solve
The ECU of lock can be sent to unlocking result in CAN, if MCU10 listens to this message,
This message can be forwarded to the first processing unit.So, the EUC of the first system and unblock it is achieved that
Between two-way interactive.
Specifically, when second system 30 communicates with car load, second system 30 can include the second process
Unit, the second processing unit is connected with micro-control unit 10, by micro-control unit 10 and car load CAN
Network carries out data interaction.As a kind of example, the data between MCU10 and the second processing unit are handed over
UART (Chinese: universal asynchronous receiving-transmitting transmitter, English: Universal Asynchronous can be used mutually
Receiver/Transmitter) serial communication.
Alternatively, in order to improve the safety of this utility model scheme further, malicious application is effectively solved
The impact that privacy of user data and safe driving are brought, schematic diagram shown in Figure 6, vehicle mounted multimedia
System can also include safety chip 502, safety chip 502 respectively with the first processing unit and microcontroller
Unit 10 connects；Safety chip 502, for exporting to micro-control unit 10 the first processing unit
Data are decrypted process, and the data exported micro-control unit 10 to the first processing unit are carried out
Encryption.
It is to say, it is mutual in order to prevent malicious application from distorting between the first system 20 and MCU10
The most mutual data can be encrypted by data.Specifically, can be mutual to the two
All data be all encrypted；Or, it is also possible to pre-set the safe class of data, to peace
The data that congruence level is high are encrypted, and the data that safe class is low are carried out plaintext transmission.Such as,
The relevant data of unblock mutual between the first system 20 and MCU10 can be considered as the number that safe class is high
According to.
As a kind of example, between the first processing unit and safety chip, between safety chip and MCU
SPI (Chinese: Serial Peripheral Interface (SPI), English: Serial Peripheral Interface) carry out can be passed through
Data interaction.
Alternatively, safety chip 502, it may also be used for judge the legitimacy of the first processing unit output data,
And when judging that data are illegal, interrupt data transmission.It is to say, what if the first processing unit exported
Data fit preset data bag form and safety chip can correctly decrypt the implication that these data represent,
Then can determine that these data are legal, can continue to transmit to MCU；Otherwise judge that these data are illegal, interrupt
Data are transmitted.Alternatively, when judging that data are illegal, safety chip can also ask the first processing center
Carry out data re-transmission, if passed data judging is all invalid data by the re-transmission of pre-determined number, then interrupt
Data are transmitted.
Data packet format, encryption-decryption algorithm etc. can be not specifically limited by this utility model.As one
Example, cryptographic algorithm can be SM1, SM2, SM3, DES, AES, RSA etc., safety chip
A7103 can be presented as.
To sum up, when there being malicious application to invade, the instruction that simulation remote terminal sends to the first system 20,
Or when distorting the instruction of the first system 20, safety chip 502 all can be identified as illegally instructing,
And interrupt this transmission illegally instructed, the most just can effectively ensure that the safety of privacy of user data and driving
Property.
As a kind of example, based on in-vehicle multi-media system of the present utility model, video exhibition both can be carried out
Show, audio frequency broadcasting can be carried out again, it is also possible to carry out button monitoring and and car load CAN network between
Data interaction.
Alternatively, the structural representation of in-vehicle multi-media system implementation three shown in Figure 6, this reality
Video display, audio frequency broadcasting, button monitoring, data are realized except coordinating with the MCU in novel
Outside Jiao Hu, it is also possible at least one in implementing function such as: control the first system and/or second system
Power supply input with output, the first system and/or second system are carried out fault diagnosis.Based on being made above
Introducing, this utility model also provides for a kind of vehicle including above-mentioned in-vehicle multi-media system, the most superfluous
State.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this practicality is new
Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model,
The technical solution of the utility model can be carried out multiple simple variant, these simple variant belong to this reality
With novel protection domain.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention,
In the case of reconcilable, can be combined by any suitable means, in order to avoid unnecessary
Repeating, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiment of the present utility model, only
Wanting it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (21)
1. an in-vehicle multi-media system, it is characterised in that include the first system, second system, micro-
Control unit and gating switch, wherein, described micro-control unit respectively with described the first system and described
Two system connects, and described gating switch is connected with described the first system and described second system respectively, described
The first system has network savvy, and forbids described second system access network.
In-vehicle multi-media system the most according to claim 1, it is characterised in that described first is
System include the first processing unit and networking module, described first processing unit respectively with described micro-control unit,
Described networking module and described gating switch connect；
Described first processing unit, for receiving the first video frequency output instruction that described micro-control unit sends,
And by described gating switch, the video signal transmission that described networking module exports is entered to vehicle displays
Row video display.
In-vehicle multi-media system the most according to claim 2, it is characterised in that described first is
System also includes that the first car thermomechanical components, described first car thermomechanical components are connected with described first processing unit；
Described first car thermomechanical components, for described first processing unit output video signal.
In-vehicle multi-media system the most according to claim 3, it is characterised in that described first car
Thermomechanical components includes mobile memory interface.
In-vehicle multi-media system the most according to claim 1, it is characterised in that described second is
System includes the second processing unit and video signal collective module, and described second processing unit is micro-with described respectively
Control unit, described video signal collective module and described gating switch connect；
Described second processing unit, for receiving the second video frequency output instruction that described micro-control unit sends,
And by described gating switch, the video signal transmission described video signal collective module obtained is to vehicle
Display screen carries out video display.
In-vehicle multi-media system the most according to claim 5, it is characterised in that described video is believed
Number acquisition module is the photographic head being arranged on vehicle body or panoramic shooting module.
In-vehicle multi-media system the most according to claim 1, it is characterised in that described second is
System is connected with described the first system；
Described second system, for receiving and process the audio signal of described the first system output, and is carried out
Audio frequency is play.
In-vehicle multi-media system the most according to claim 7, it is characterised in that described first is
System include the first processing unit and networking module, described first processing unit respectively with described networking module and
Described second system connects；
Described first processing unit, for receiving the audio signal of described networking module output, and transmits extremely
Described second system.
In-vehicle multi-media system the most according to claim 8, it is characterised in that described first is
System also includes that sound identification module, described sound identification module are connected with described first processing unit；
Described sound identification module, for identifying the voice signal that user inputs, and exports to described first
Processing unit.
In-vehicle multi-media system the most according to claim 8 or claim 9, it is characterised in that described
One system also includes that the first car thermomechanical components, described first car thermomechanical components are connected with described first processing unit；
Described first car thermomechanical components, for described first processing unit output audio signal.
11. in-vehicle multi-media systems according to claim 10, it is characterised in that described first
Car thermomechanical components includes mobile memory interface.
12. in-vehicle multi-media systems according to claim 7, it is characterised in that described second is
System includes that the second processing unit and audio playing module, described second processing unit are broadcast with described audio frequency respectively
Amplification module and described the first system connect；
Described second processing unit, for receiving and process the audio signal of described the first system output, and
Transmission to described audio playing module carries out audio frequency broadcasting.
13. in-vehicle multi-media systems according to claim 12, it is characterised in that described second
System also includes that the second car thermomechanical components, described second car thermomechanical components are connected with described second processing unit；
Described second car thermomechanical components, for described second processing unit output audio signal.
14. in-vehicle multi-media systems according to claim 13, it is characterised in that described second
Car thermomechanical components includes that radio receiver module, described radio receiver module are connected with micro-control unit, and pass through frequency modulation
Left and right acoustic channels is to described second processing unit output audio signal.
15. in-vehicle multi-media systems according to claim 1, it is characterised in that described microcontroller
Unit is connected with described gating switch, and described gating switch receives the gating letter that described micro-control unit sends
Number, and select the first system or second system to be connected with vehicle displays according to this gating signal.
16. in-vehicle multi-media systems according to claim 1, it is characterised in that described vehicle-mounted many
Media system also includes that button monitoring modular, described button monitoring modular are connected with described micro-control unit；
Described button monitoring modular, for monitoring the steering wheel push button signalling that user triggers, and by described side
Process to described micro-control unit to the transmission of dish push button signalling.
17. in-vehicle multi-media systems according to claim 1, it is characterised in that described microcontroller
Unit is connected with car load CAN network, be used for realizing described the first system and described car load CAN network it
Between data interaction, and/or the data interaction between described second system and described car load CAN network.
18. in-vehicle multi-media systems according to claim 17, it is characterised in that described second
System includes the second processing unit, and described second processing unit is connected with described micro-control unit, by institute
State micro-control unit and carry out data interaction with described car load CAN network.
19. in-vehicle multi-media systems according to claim 17, it is characterised in that described first
System includes the first processing unit, and described first processing unit is connected with described micro-control unit, by institute
State micro-control unit and carry out data interaction with described car load CAN network.
20. in-vehicle multi-media systems according to claim 19, it is characterised in that described vehicle-mounted
Multimedia system also includes safety chip, described safety chip respectively with described first processing unit and described
Micro-control unit connects；
Described safety chip, for the data to described first processing unit output to described micro-control unit
It is decrypted process, and the data of described micro-control unit output to described first processing unit are carried out
Encryption.
21. 1 kinds of vehicles, it is characterised in that include the car according to any one of claim 1 to 20
Carry multimedia system.
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| CN201620190199.3U CN205563581U (en) | 2016-03-11 | 2016-03-11 | On -vehicle hypersystem and vehicle |
| PCT/CN2017/076203 WO2017152863A1 (en) | 2016-03-11 | 2017-03-09 | On-vehicle multimedia system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620190199.3U CN205563581U (en) | 2016-03-11 | 2016-03-11 | On -vehicle hypersystem and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152863A1 (en) * | 2016-03-11 | 2017-09-14 | 比亚迪股份有限公司 | On-vehicle multimedia system and vehicle |
| CN107294912A (en) * | 2016-03-31 | 2017-10-24 | 比亚迪股份有限公司 | Vehicle safety communications method, device, vehicle multimedia system and vehicle |
| CN109532725A (en) * | 2019-01-09 | 2019-03-29 | 北京梧桐车联科技有限责任公司 | A kind of onboard system |
| CN113872838A (en) * | 2021-08-24 | 2021-12-31 | 爱驰汽车有限公司 | Vehicle-mounted control system and method, and processing method of video data and audio data |
-
2016
- 2016-03-11 CN CN201620190199.3U patent/CN205563581U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152863A1 (en) * | 2016-03-11 | 2017-09-14 | 比亚迪股份有限公司 | On-vehicle multimedia system and vehicle |
| CN107294912A (en) * | 2016-03-31 | 2017-10-24 | 比亚迪股份有限公司 | Vehicle safety communications method, device, vehicle multimedia system and vehicle |
| CN109532725A (en) * | 2019-01-09 | 2019-03-29 | 北京梧桐车联科技有限责任公司 | A kind of onboard system |
| CN113872838A (en) * | 2021-08-24 | 2021-12-31 | 爱驰汽车有限公司 | Vehicle-mounted control system and method, and processing method of video data and audio data |
| CN113872838B (en) * | 2021-08-24 | 2024-04-05 | 爱驰汽车有限公司 | Vehicle-mounted control system and method, video data and audio data processing method |
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