CN110386089A - A kind of vehicle device multi-screen interactive display system - Google Patents
A kind of vehicle device multi-screen interactive display system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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Abstract
The present invention relates to multi-screen interactive technical fields, specifically disclose a kind of vehicle device multi-screen interactive display system, including the first control module and it is connected thereto and the first display component and the second control module that are controlled by it and the second display component for being connected thereto and being controlled by it；First control module is also connected with second control module, shows for controlling second display component by second control module.The achievable major function of the present invention has: high-resolution multi-screen interactive is shown, makes driving more safe and reliable, makes manipulation more convenient；Auxiliary drives, and 360 panoramas+interior bat allows system to possess safe and intelligent auxiliary and drives function；Full vehicle domain intelligent sound interaction makes system user experience intelligence perfect；Intelligent networking, long-range control；Online Map navigation system, high quality audio application, HD video play online.
Description
Technical Field
The invention relates to the technical field of multi-screen interaction, in particular to a vehicle-mounted multi-screen interaction display system.
Background
As a transportation means which modern people cannot drive, under the impact of science and technology, an automobile not only requires more and more intelligent driving assistance, but also requires more entertainment functions.
The traditional first generation car machine only supports the functions of a cassette and a radio, and is generally called a CD machine, and a screen is an LED screen. The second generation car machine adds the functions of DVD playing, MP3 and vehicle navigation on the basis of the first generation, and the screen is an LCD screen, which is generally called as DVD navigation.
Although the second generation car machine has increased car navigation function and entertainment functions such as DVD playing, MP3, etc. compared with the first generation car machine, the following problems still exist: the system has single function, single screen display, small screen, low resolution, poor man-machine interaction performance, no network function, no automobile panoramic visual system and no automobile driving auxiliary system.
Disclosure of Invention
The invention provides a multi-screen interactive display system of a vehicle machine, which solves the technical problems that a second generation vehicle machine: the system has single function, single screen display, small screen, low resolution, poor man-machine interaction performance, no network function, no automobile panoramic visual system and no automobile driving auxiliary system.
In order to solve the above technical problems, the present invention provides a vehicle-mounted multi-screen interactive display system, which includes a first control module (10) and a first display module (11) connected to and controlled by the first control module, and a second control module (20) and a second display module (21) connected to and controlled by the second control module; the first control module (10) is further connected with the second control module (20) and is used for controlling the second display component (21) to display through the second control module (20).
Preferably, the first control module (10) and the second control module (20) communicate through a USB interface or an ethernet interface, and transmit information through an OpenLDI interface.
Preferably, the first display assembly (11) comprises 1-4 first display screen modules independently connected with the first control module (10), and the second display assembly (21) comprises 1-4 second display screen modules independently connected with the second control module (20).
Preferably, the first control module (10) adopts a high-pass vehicle-mounted S820A system, and supports and controls the display of 1-4 first display screen modules;
the second control module (20) adopts a high-pass vehicle-mounted S820A system and supports and controls 1-4 second display screen modules to display; or,
the second control module (20) adopts a TI J6 system and supports and controls 1-2 blocks of display screen modules to display.
Preferably, at least:
the power supply conversion and management circuit consists of a plurality of DC-DC circuits, an LDO circuit and a power supply management circuit, is used for converting a storage battery power supply into a plurality of required power supplies and is also used for managing each power supply in the starting and dormancy processes;
the core circuit consists of a CPU, a DDR and an EMMC;
the video and control signal serialization circuit consists of a video and control signal serialization module and is used for converting the formats of the video and control signals;
the 360-degree panoramic circuit consists of a video conversion circuit and is used for receiving video signals transmitted by four cameras installed outside the vehicle and splicing the four video signals to realize the function of monitoring the driving environment outside the vehicle in real time;
the internal shooting circuit consists of a video conversion circuit and is used for receiving a video signal transmitted by a camera arranged in the vehicle, so as to realize the functions of recognizing the face of the driver, monitoring the driving state of the driver and monitoring the condition in the vehicle;
the vehicle-mounted Ethernet circuit consists of an Ethernet conversion module and is used for receiving and transmitting Ethernet signals to realize the functions of upgrading the whole vehicle component software and transmitting vehicle body state information;
the 4G communication circuit consists of 4G modules and is used for receiving and sending wireless network signals, and the functions of wireless networking, FOTA, feedback and monitoring of vehicle states, help calling under emergency and temperature setting in advance are realized;
the BT circuit is composed of a Bluetooth module and is used for receiving and sending Bluetooth signals, realizing interconnection with a mobile phone and realizing the functions of Bluetooth music playing, Bluetooth telephone transmission and vehicle door unlocking;
the WIFI circuit consists of a WIFI module and is used for receiving and sending WIFI signals to realize the communication function with the automobile data recorder or the mobile terminal;
the intelligent voice recognition circuit consists of an audio signal acquisition and conversion circuit and is used for acquiring and converting audio signals and realizing the functions of voice control, echo and noise elimination of the car machine;
the standby battery charging and discharging circuit consists of a battery charging and discharging circuit and is used for charging and discharging the standby battery so as to realize the function of ensuring the safe and stable operation of the core module under the emergency condition;
the mobile phone interconnection circuit consists of a HUB module and is used for physical connection with a mobile phone to realize the function of mobile phone interconnection;
the GPS navigation circuit consists of a GPS module and is used for receiving GPS signals and realizing the functions of positioning the whole vehicle and navigating the road;
the double FM \ AM radio circuit consists of two FM \ AM modules and is used for receiving FM \ AM signals and realizing the function of searching FM \ AM broadcasting while listening;
the map screen projection circuit consists of a video conversion circuit and is used for converting and transmitting map video signals of the central control screen to realize the function of displaying information such as map navigation and the like on the instrument screen;
the illegal movement detection circuit consists of a gravity acceleration module and is used for detecting the vibration information of the vehicle body and realizing the function of detecting whether the vehicle moves illegally;
the CAN communication circuit consists of a CAN circuit and is used for receiving and sending CAN signals to realize the information exchange function with the whole vehicle;
the LIN communication circuit consists of an LIN circuit and is used for receiving and receiving LIN signals and realizing the function of directly controlling the relevant functions of the car machine;
the ear amplifying circuit consists of a digital-to-analog audio circuit and is used for converting digital audio into analog audio to realize the function of outputting copilot entertainment audio;
and the audio processing and amplifying circuit consists of an audio processing module and is used for realizing the functions of conversion between digital audio and analog audio, sound effect processing and audio amplification.
Preferably, at least:
the power supply conversion and management circuit consists of a plurality of DC-DC circuits, an LDO circuit and a power supply management circuit, is used for converting a storage battery power supply into a plurality of required power supplies and is also used for managing each power supply in the starting and dormancy processes;
the core circuit consists of a CPU, a DDR and an EMMC;
the video and control signal serialization circuit consists of a video and control signal serialization module and is used for converting the formats of the video and control signals;
the central control map video information receiving circuit consists of a video conversion circuit and is used for receiving and converting a central control screen map video signal to realize the function of displaying information such as map navigation and the like on an instrument screen;
the CAN communication circuit consists of a CAN circuit and is used for receiving and sending CAN signals to realize the information exchange function with the whole vehicle;
the LIN communication circuit consists of an LIN circuit and is used for receiving and receiving LIN signals to realize the information exchange function of the whole vehicle;
and the temperature acquisition circuit is used for acquiring the temperature of the mainboard and realizing the function of monitoring the temperature of the mainboard.
Preferably, the first display assembly (11) includes two first display screen modules, which are a central control screen display module (CID) and a secondary driving screen display module (FPD), respectively, and the first control module (10) establishes communication connection with the central control screen display module (CID) and the secondary driving screen display module (FPD) through a first communication interface (I1) and a second communication interface (I2), respectively.
Preferably, the second display assembly (21) includes two second display screen modules, which are an instrument screen display module (IPD) and an air conditioner screen display module (CCP), respectively, and the second control module (20) establishes communication connection with the instrument screen display module (IPD) and the air conditioner screen display module (CCP) through a third communication interface (I3) and a fourth communication interface (I4), respectively.
Preferably, the central control screen display module (CID) and the secondary driving screen display module (FPD), the instrument screen display module (IPD) and the air conditioner screen display module (CCP) both adopt high-resolution display screens.
Preferably, the first communication interface (I1), the second communication interface (I2), the third communication interface (I3) or the fourth communication interface (I4) adopts a GMSL2 transmission interface or a FPD-Link III transmission interface.
The vehicle-mounted multi-screen interactive display system provided by the invention adopts double chips (S820A + J6/S820A) and double systems (an android system and an android + QNX system), wherein a first control module adopts the S820A + the android system and is mainly responsible for the functions of multimedia audio and video navigation and the like, so that the central control screen display module can realize the functions of entertainment, telephone, navigation, 360-panorama auxiliary driving and the like, and realize the functions of vehicle control and the like through touch control and voice; the assistant driving screen display module can realize the function of providing exclusive entertainment and information for assistant driving personnel, is provided with an independent Bluetooth sound source and simultaneously supports the functions of listening to songs, pursuing dramas and the like; the second control module adopts a J6+ Linux system (or an S820A + android + QNX system) and is mainly responsible for functions of instrument display, air conditioner control and the like, so that the instrument screen display module can realize functions of surrounding automatic auxiliary driving, providing core driving safety information and the like; the air conditioner screen display module can realize the functions of controlling the air conditioner of the whole vehicle, controlling the charging and discharging functions and the like. The double systems operate independently and do not interfere with each other, and the system is safe and stable and operates smoothly.
The invention provides a vehicle-mounted multi-screen interactive display system, which is characterized in that a high-pass vehicle-mounted S820A system integrates power supply conversion and management, an S820A core circuit, video and control signal serialization, 360 panorama, inner shooting, vehicle-mounted Ethernet, 4G communication, BT, WIFI, intelligent voice recognition, standby battery charging and discharging, mobile phone interconnection, GPS navigation, double FM \ AM radio reception, map screen projection, illegal movement detection, CAN communication, LIN communication, brightness detection, ear playing, temperature acquisition, audio processing, amplification and other circuits. The first control module (10) adopts a high-pass vehicle-mounted S820A system, communicates with the second control module (J6 system or high-pass vehicle-mounted S820A system) through a USB interface or an Ethernet interface, and transmits information such as maps to the second control module (J6 system or high-pass vehicle-mounted S820A system) TI J6 system integrated power supply conversion and management, a J6 core circuit, video and control signal serialization, central control map video information receiving, CAN communication, LIN communication, brightness detection, temperature acquisition, horn driving and other circuits in an OpenLDI mode.
The high-pass vehicle-mounted S820A system can drive a plurality of display screens such as a 16.2-inch (2608) center control screen and a 12.3-inch (1920) secondary driving screen with two high-resolution display screens at the same time, and supports the video projection of the secondary driving screen to the center control screen. The TI J6 system was able to drive 2 panels such as 12.3 inch (1920 x 720) instrument panel and 10.1 inch (1280 x 720) air conditioner panel with two high resolution panels simultaneously. Taking this as an example, the multi-screen interactive display system for the vehicle machine provided by the invention can realize the following main functions:
1. the multi-screen interactive display with high resolution enables driving to be safer and more reliable, and control to be more convenient. The high-resolution multi-screen display system is composed of a central control screen (2608 × 720), an auxiliary driving screen (1920 × 720), an instrument screen (1920 × 720) and an air conditioner screen (1280 × 720), navigation or music information of the central control screen can be directly projected into the instrument screen for display, and a driver can directly obtain navigation information from the instrument screen without transferring sight; the video played by the assistant driving screen can be projected into the central control screen for displaying in a dragging mode without influencing the assistant driving screen to continue to perform any other operation.
2. Auxiliary driving, 360 panorama + are clapped in and are let the system possess safe intelligent auxiliary driving function. The 4 high definition cameras gather and splice images around the vehicle body, combine into the view of 360 degrees no dead angles, no matter be normal driving, still in the in-process of parking, can both monitor the environment all around outside the car at any time. The interior high definition digtal camera of clapping can carry out face identification to the driver, and the condition in the control car is monitored to control driver driving state (whether be in driver fatigue etc.).
3. The intelligent voice interaction of the whole vehicle domain enables the user of the system to experience the intelligence perfectly. Through the multiunit high sensitivity microphone, based on A2B technique, cooperation audio algorithm, different positions passenger in the accurate location car realizes that whole car territory can both carry out the speech interaction with the system. For example:
awakening the whole vehicle: awakening at any position in the vehicle, executing corresponding functions according to the awakening position, and performing multi-person interaction;
an intelligent scene: a voice command solves the common requirements, and if the user wants to rest for a while, the seat is automatically turned down and an alarm clock is set.
4. Intelligent networking and remote control. By utilizing the 4G networking function, the vehicle state is fed back and monitored at any time, the help is called under the emergency condition, the temperature in the vehicle is set in advance, the system BUG is upgraded on line and the like, and the system is kept in the safest, stable and efficient state all the time.
5. The system comprises an online map navigation system, high-quality audio application and high-definition video online playing. Various maps are installed, can be switched randomly during use and are updated in real time, so that the navigation accuracy is ensured; a plurality of high-quality online audios are built in for users to freely select (Himalayan FM, dragonfly FM, cool music, etc.); a plurality of video playing APP are installed, high-definition video service is provided, and the system is enabled to have rich application and service.
Drawings
Fig. 1 is a block diagram of a vehicle-mounted multi-screen interactive display system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a high-pass onboard S820A system according to an embodiment of the present invention;
FIG. 3 is a block diagram of a TI J6 system provided by an embodiment of the invention;
fig. 4 is a block diagram of a central control screen display module CID, a secondary driving screen display module FPD, or an instrument screen display module IPD according to an embodiment of the present invention;
fig. 5 is a block diagram of an air conditioner display module CCP according to an embodiment of the present invention;
wherein: a first control module 10, a first display module 11 (a center control screen display module CID, a secondary driving screen display module FPD); a second control module 20, a second display module 21 (an instrument panel display module IPD, an air conditioner panel display module CCP); the communication device comprises a first communication interface (I1), a second communication interface (I2), a third communication interface (I3) and a fourth communication interface (I4).
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are given for illustrative purposes only and are not to be construed as limiting the invention, and the embodiments and the dimensions of the components and the drawings are merely preferred embodiments, which are provided for reference and illustrative purposes only and do not limit the scope of the invention, since many changes may be made therein without departing from the spirit and scope thereof.
A multi-screen interactive display system for a vehicle, as shown in a module structure diagram of fig. 1, includes a first control module 10, a first display module 11 connected to and controlled by the first control module, a second control module 20, and a second display module 21 connected to and controlled by the second control module; the first control module 10 is further connected to the second control module 20, and is configured to control the second display module 21 to display through the second control module 20, so as to implement information interaction.
Referring to fig. 1, in this embodiment, the first control module 10 and the second control module 20 communicate through a USB interface or an ethernet interface, and transmit information through an OpenLDI interface.
The first display component 11 comprises 1-4 first display screen modules (the content of one screen can be sent to any other screen for display through dragging or other modes) independently connected with the first control module 10, and the second display component 21 comprises 1-4 second display screen modules independently connected with the second control module 20.
The first control module 10 adopts a high-pass vehicle-mounted S820A system, and supports and controls 1-4 first display screen modules to display;
the second control module 20 adopts a high-pass vehicle-mounted S820A system, and supports and controls the display of 1-4 second display screen modules; or,
the second control module 20 adopts a TI J6 system, and supports and controls 1-2 blocks of display screen modules to display.
The first display assembly 11 includes two first display screen modules, which are a central control screen display module CID and a secondary driving screen display module FPD, respectively, and the first control module 10 establishes communication connection with the central control screen display module CID and the secondary driving screen display module FPD through a first communication interface I1 and a second communication interface I2, respectively.
The second display module 21 includes two second display screen modules, which are respectively an instrument screen display module IPD and an air conditioner screen display module CCP, and the second control module 20 establishes communication connection with the instrument screen display module IPD and the air conditioner screen display module CCP through a third communication interface I3 and a fourth communication interface I4, respectively.
The center control screen display module CID (16.2 inches, 2608 × 720), the secondary driving screen display module FPD (12.3 inches, 1920 × 720), the instrument screen display module IPD (12.3 inches, 1920 × 720) and the air conditioner screen display module CCP (10.1 inches, 1280 × 720) are high-resolution displays. In other embodiments, if four display screens are connected to the first control module 10, all the display screens do not necessarily have high resolution, and the sizes of the display screens are not necessarily 16.2 inches, 12.3 inches, or 10.1 inches, and need to be adjusted according to actual situations.
The first communication interface I1, the second communication interface I2, the third communication interface I3 or the fourth communication interface I4 adopt GMSL2 transmission interfaces or FPD-Link III transmission interfaces.
It should be further added that, in the car display system, as shown in fig. 1, the bottom layer of the first control module 10 is further connected to a network such as CAN, LIN, 4G, and a standby Power control system (Back Battery control), and the second control module 20 is connected to a car real-time operating system (VIP on RTOS), CAN, LIN, and a Power supply (Power).
Referring to fig. 2, the first control module 10 preferably employs a high-pass onboard S820A system, supporting and controlling the CID display module and the FPD display module of the center control screen, and integrating therein:
a power conversion and management circuit (2-1, which is a part shown by reference numeral 1 in fig. 2 and the same below) composed of a plurality of paths of DC-DC circuits, LDO circuits and power management circuits, wherein the DC-DC circuits and the LDO circuits are used for converting a storage battery power (such as 12V) into a plurality of required power supplies (such as 5V, 3.3V, 1.8V and 1V), and the power management circuits are used for managing the power supplies in the processes of starting and sleeping;
the core circuit (2-2) consists of a CPU, a DDR and an EMMC, and ensures the stable operation of the android system;
the video and control signal serialization circuit (2-3) consists of a video and control signal serialization module and is used for converting the formats of the video and control signals and realizing the long-distance, safe and reliable transmission of the video and control signals;
the 360-degree panoramic circuit (2-4) consists of a video conversion circuit and is used for receiving video signals transmitted by four cameras installed outside the vehicle and splicing the four video signals to realize the functions of monitoring the driving environment outside the vehicle in real time and the like;
the internal shooting circuit (2-5) consists of a video conversion circuit and is used for receiving video signals transmitted by a camera arranged in the vehicle, so as to realize the functions of recognizing the face of the driver, monitoring the driving state of the driver (whether the driver is in fatigue driving), monitoring the condition in the vehicle and the like;
the vehicle-mounted Ethernet circuits (2-6) are composed of Ethernet conversion modules and are used for receiving and sending Ethernet signals to realize the functions of upgrading the whole vehicle component software, transmitting vehicle body state information and the like;
the 4G communication circuits (2-7) are composed of 4G modules and used for receiving and sending wireless network signals, and the functions of wireless networking, FOTA, feedback and monitoring of vehicle states, calling for help in emergency, setting temperature in advance and the like are realized;
the BT circuits (2-8) are composed of Bluetooth modules and are used for receiving and sending Bluetooth signals, realizing interconnection with a mobile phone, and realizing the functions of Bluetooth music playing, Bluetooth telephone transmission, car door unlocking and the like;
the WIFI circuit (2-8) consists of a WIFI module and is used for receiving and sending WIFI signals and realizing the communication function with a vehicle event data recorder or a mobile terminal (such as a mobile phone or a tablet);
the intelligent voice recognition circuit (2-9) is composed of an audio signal acquisition and conversion circuit and is used for acquiring and converting audio signals and realizing the functions of voice control (such as making a call, listening to music and the like) and echo and noise elimination and the like of the car machine;
the standby battery charging and discharging circuit (2-10) consists of a battery charging and discharging circuit and is used for charging and discharging the standby battery so as to realize the functions of ensuring the safe and stable operation of the core module under the emergency condition and the like;
the mobile phone interconnection circuit (2-11) consists of a HUB module and is used for physically connecting with a mobile phone to realize functions of mobile phone interconnection and the like;
the GPS navigation circuit (2-12) is composed of a GPS module and is used for receiving GPS signals and realizing the functions of positioning the whole vehicle, navigating the road and the like;
the double FM \ AM radio circuits (2-13) are composed of two FM \ AM modules and used for receiving FM \ AM signals and realizing the functions of searching FM \ AM broadcasting while listening;
the map screen projection circuit (2-14) consists of a video conversion circuit and is used for converting and sending map video signals of the central control screen, and the functions of displaying information such as map navigation and the like on an instrument screen are realized;
the illegal movement detection circuit (2-15) consists of a gravity acceleration module and is used for detecting the vibration information of the vehicle body and realizing the functions of detecting whether the vehicle moves illegally and the like;
the CAN communication circuit (2-16) consists of a CAN circuit and is used for receiving and sending CAN signals and realizing the information exchange function with the whole vehicle;
the LIN communication circuits (2-17) are composed of LIN circuits and are used for receiving and receiving LIN signals and realizing the functions of directly controlling the relevant functions of the car machine and the like;
the ear amplifying circuits (2-18) are composed of digital-to-analog audio circuits and used for converting digital audio into analog audio to realize the functions of copilot entertainment audio output and the like;
and the audio processing and amplifying circuits (2-19) are composed of audio processing modules and are used for realizing the functions of conversion between digital audio and analog audio, sound effect processing, audio amplification and the like.
The high-pass vehicle-mounted S820A system integrates power conversion and management, an S820A core circuit, video and control signal serialization, 360 panoramas, inner shooting, vehicle-mounted Ethernet, 4G communication, BT, WIFI, intelligent voice recognition, standby battery charging and discharging, mobile phone interconnection, GPS navigation, double FM \ AM reception, map screen projection, illegal movement detection, CAN communication, LIN communication, brightness detection, ear amplification, temperature acquisition, audio processing, amplification and other circuits. The first control module (10) adopts a high-pass vehicle-mounted S820A system, communicates with the second control module 20(J6 system or high-pass vehicle-mounted S820A system) through a USB interface or an Ethernet interface, and transmits information such as a map and the like to the second control module 20(J6 system or high-pass vehicle-mounted S820A system) through an OpenLDI mode; the two high-resolution display screens of a 16.2-inch (2608) central control screen and a 12.3-inch (1920) secondary driving screen can be driven simultaneously, the video of the secondary driving screen is projected to the central control screen, information interaction is realized, user experience is improved, and product competitiveness is improved.
Referring to fig. 3, the second control module 20 preferably employs a TI J6 system, supporting control of the meter panel display module IPD and the air conditioner panel display module CCP, and having integrated therein:
the power supply conversion and management circuit (3-1) consists of a plurality of paths of DC-DC circuits, LDO circuits and power supply management circuits, wherein the DC-DC circuits and the LDO circuits are used for converting a storage battery power supply (such as 12V) into a plurality of required power supplies (such as 5V, 3.3V, 1.8V, 1V and the like), and the power supply management circuits are used for managing the power supplies in the starting and sleeping processes;
the core circuit (3-2) consists of a CPU, a DDR and an EMMC, and ensures the stable operation of the Linux system;
the video and control signal serialization circuit (3-3) consists of a video and control signal serialization module and is used for converting the formats of the video and control signals and realizing the long-distance, safe and reliable transmission of the video and control signals;
the central control map video information receiving circuit (3-4) consists of a video conversion circuit and is used for receiving and converting map video signals of a central control screen and realizing the functions of displaying information such as map navigation and the like on an instrument screen;
the CAN communication circuit (3-5) consists of a CAN circuit and is used for receiving and sending CAN signals and realizing the information exchange function with the whole vehicle;
the LIN communication circuit (3-6) consists of an LIN circuit and is used for receiving and receiving LIN signals to realize the information exchange function of the whole vehicle;
and the temperature acquisition circuit (3-7) is used for acquiring the temperature of the mainboard and realizing the functions of monitoring the temperature of the mainboard and the like.
The T I J6 system integrates power supply conversion and management, a J6 core circuit, video and control signal serialization, central control map video information receiving, CAN communication, LIN communication, brightness detection, temperature acquisition, loudspeaker driving and other circuits, and CAN simultaneously drive two high-resolution display screens of a 12.3-inch (1920 x 720) instrument screen and a 10.1-inch (1280 x 720) air conditioner screen. In other embodiments, the system can be replaced by a high-pass vehicle S820A system.
Referring to fig. 4, the central control screen display module CID, the secondary driving screen display module FPD or the instrument screen display module IPD may be shown in the same drawing.
The display module CID of the central control screen mainly integrates circuits such as power conversion and management, video and control signal deserialization, temperature acquisition, display screen module and the like, receives power and GMSL signals transmitted by the S820A system, and is used for driving a 16.2 inch (2608 × 720) display screen and transmitting touch information. The CID integrated circuit of the display module of the central control screen mainly comprises the following circuits:
the power supply conversion and management circuit (4-1) consists of a multi-path DC-DC circuit, an LDO circuit and a power supply management circuit, wherein the DC-DC circuit and the LDO circuit are used for converting a storage battery power supply (such as 12V) into a power supply (such as 27V, 5V, 3.3V, 1.8V, 1V and the like) required by each module; the power supply management circuit is used for managing each power supply in the starting and dormancy processes;
the video and control signal deserializing circuit (4-2) consists of a video and control signal deserializing module and is used for converting the formats of the video and control signals and realizing the functions of normal display of the video and the like;
the temperature acquisition circuit (4-3) consists of a temperature acquisition circuit and is used for acquiring the temperature of the display screen and realizing the functions of protecting the display screen and the like;
and the display screen module circuit (4-4) consists of a display screen and a touch screen module and is used for displaying videos and acquiring touch signals so as to realize the functions of man-machine interaction (volume, brightness, play mode and the like).
The FPD of the secondary driving screen display module is internally and mainly integrated with circuits such as power supply conversion and management, video and control signal deserialization, brightness acquisition, temperature acquisition, a display screen module and the like, receives a power supply and GMSL signals transmitted by the S820A system, drives a 12.3-inch (1920 x 720) display screen and transmits touch information back. The integrated circuit of the FPD of the rider screen display module mainly comprises:
the power supply conversion and management circuit (4-1) consists of a multi-path DC-DC circuit, an LDO circuit and a power supply management circuit, wherein the DC-DC circuit and the LDO circuit are used for converting a storage battery power supply (such as 12V) into a power supply (such as 27V, 5V, 3.3V, 1.8V, 1V and the like) required by each module; the power supply management circuit is used for managing each power supply in the starting and dormancy processes;
the video and control signal deserializing circuit (4-2) consists of a video and control signal deserializing module and is used for converting the formats of the video and control signals and realizing the functions of normal display of the video and the like;
the temperature acquisition circuit (4-3) consists of a temperature acquisition circuit and is used for acquiring the temperature of the display screen and realizing the functions of protecting the display screen and the like;
the display screen module circuit (4-4) consists of a display screen and a touch screen module and is used for displaying videos and acquiring touch signals so as to realize the functions of human-computer interaction (volume, brightness, play mode and the like);
and the brightness acquisition circuit (4-5) consists of a brightness detection circuit and is used for receiving brightness information outside the car body and realizing the functions of automatic adjustment of the brightness of the screen of the whole car machine and the like.
The IPD is mainly integrated with circuits such as power conversion and management, video and control signal deserialization, brightness acquisition, temperature acquisition, loudspeaker driving, a display screen and the like, and receives a power supply transmitted by a J6 system and a GMSL signal driving 12.3-inch (1920 x 720) display screen. The integrated circuit of the meter screen display module IPD mainly comprises:
the power supply conversion and management circuit (4-1) consists of a multi-path DC-DC circuit, an LDO circuit and a power supply management circuit, wherein the DC-DC circuit and the LDO circuit are used for converting a storage battery power supply (such as 12V) into a power supply (such as 27V, 5V, 3.3V, 1.8V, 1V and the like) required by each module; the power supply management circuit is used for managing each power supply in the starting and dormancy processes;
the video and control signal deserializing circuit (4-2) consists of a video and control signal deserializing module and is used for converting the formats of the video and control signals and realizing the functions of normal display of the video and the like;
the temperature acquisition circuit (4-3) consists of a temperature acquisition circuit and is used for acquiring the temperature of the display screen and realizing the functions of protecting the display screen and the like;
the brightness detection circuit (4-5) consists of a brightness detection circuit and is used for receiving brightness information outside the car body and realizing the functions of automatic adjustment of the brightness of the whole car screen and the like;
and the display screen circuit (4-6) is composed of a display screen and used for displaying video, and realizing the functions of outputting the state information (such as oil consumption, mileage, engine speed, engine temperature and the like) of the whole vehicle.
And the loudspeaker driving circuit (4-7) consists of a DAC circuit and is used for converting digital audio and analog audio, and realizing the functions of outputting related alarm sounds (such as steering sounds, safety belt unfastening, engine faults and the like) of the whole vehicle.
Referring to fig. 5, the CCP integrates circuits such as a power conversion circuit, a video and control signal deserializing circuit, a temperature acquisition circuit, a display screen module and the like, receives a power and GMSL signals transmitted by the J6 system to drive a 10.1 inch (1280 × 720) display screen, and transmits touch information back. The integrated circuit of the air conditioner screen display module CCP mainly comprises the following circuits:
the power supply conversion and management circuit (5-1) consists of a plurality of DC-DC circuits and LDO circuits, wherein the DC-DC circuits and the LDO circuits are used for converting a storage battery power supply (such as 12V) into power supplies (such as 27V, 5V, 3.3V, 1.8V and the like) required by various modules; the power supply management circuit is used for managing each power supply in the starting and dormancy processes;
the brightness detection circuit (5-2) consists of a brightness detection circuit and is used for receiving brightness information outside the car body and realizing the functions of automatic adjustment of the brightness of the whole car screen and the like;
the video and control signal deserializing circuit (5-3) consists of a video and control signal deserializing module and is used for converting the formats of the video and control signals and realizing the functions of normal display of the video and the like;
temperature acquisition circuit (5-4): the temperature acquisition circuit is used for acquiring the temperature of the display screen and realizing the functions of protecting the display screen and the like;
display screen module circuit (5-5): the touch screen display device is composed of a display screen and a touch screen module, is used for displaying videos and collecting touch signals, and achieves the functions of man-machine interaction (whole vehicle operation mode, air conditioner temperature, wind direction and the like).
The vehicle-mounted multi-screen interactive display system provided by the embodiment of the invention adopts double chips (S820A + J6/S820A) and double systems (an android system and an android + QNX system), wherein a first control module adopts the S820A + the android system and is mainly responsible for multimedia video navigation and other functions, so that the central control screen display module can realize functions of entertainment, telephone, navigation, 360-degree panoramic auxiliary driving and the like, and realize functions of vehicle control and the like through touch control and voice; the assistant driving screen display module can realize the function of providing exclusive entertainment and information for assistant driving personnel, is provided with an independent Bluetooth sound source and simultaneously supports the functions of listening to songs, pursuing dramas and the like; the second control module adopts a J6+ Linux system (or an S820A + android + QNX system) and is mainly responsible for functions of instrument display, air conditioner control and the like, so that the instrument screen display module can realize functions of surrounding automatic auxiliary driving, providing core driving safety information and the like; the air conditioner screen display module can realize the functions of controlling the air conditioner of the whole vehicle, controlling the charging and discharging functions and the like. The double systems operate independently and do not interfere with each other, and the system is safe and stable and operates smoothly.
According to the vehicle-mounted multi-screen interactive display system provided by the embodiment of the invention, a first control module (10) adopts a high-pass vehicle-mounted S820A system, communicates with a second control module (a J6 system or a high-pass vehicle-mounted S820A system) through a USB interface or an Ethernet interface, and transmits information such as a map and the like to circuits such as a second control module (a J6 system or a high-pass vehicle-mounted S820A system) TI J6 system integrated power supply conversion and management, a J6 core circuit, video and control signal serialization, central control map video information receiving, CAN communication, LIN communication, brightness detection, temperature acquisition, loudspeaker driving and the like in an OpenLDI mode.
The high-pass vehicle-mounted S820A system can drive a plurality of display screens such as a 16.2-inch (2608) center control screen and a 12.3-inch (1920) secondary driving screen with two high-resolution display screens at the same time, and supports the video projection of the secondary driving screen to the center control screen. The TI J6 system was able to drive 2 panels such as 12.3 inch (1920 x 720) instrument panel and 10.1 inch (1280 x 720) air conditioner panel with two high resolution panels simultaneously. Based on this, the vehicle-mounted multi-screen interactive display system provided by the embodiment of the invention can realize the following main functions:
1. the multi-screen interactive display with high resolution enables driving to be safer and more reliable, and control to be more convenient. The high-resolution multi-screen display system is composed of a central control screen (2608 × 720), an auxiliary driving screen (1920 × 720), an instrument screen (1920 × 720) and an air conditioner screen (1280 × 720), navigation or music information of the central control screen can be directly projected into the instrument screen for display, and a driver can directly obtain navigation information from the instrument screen without transferring sight; the video played by the assistant driving screen can be projected into the central control screen for displaying in a dragging mode without influencing the assistant driving screen to continue to perform any other operation.
2. Auxiliary driving, 360 panorama + are clapped in and are let the system possess safe intelligent auxiliary driving function. The 4 high definition cameras gather and splice images around the vehicle body, combine into the view of 360 degrees no dead angles, no matter be normal driving, still in the in-process of parking, can both monitor the environment all around outside the car at any time. The interior high definition digtal camera of clapping can carry out face identification to the driver, and the condition in the control car is monitored to control driver driving state (whether be in driver fatigue etc.).
3. The intelligent voice interaction of the whole vehicle domain enables the user of the system to experience the intelligence perfectly. Through the multiunit high sensitivity microphone, based on A2B technique, cooperation audio algorithm, different positions passenger in the accurate location car realizes that whole car territory can both carry out the speech interaction with the system. For example:
awakening the whole vehicle: awakening at any position in the vehicle, executing corresponding functions according to the awakening position, and performing multi-person interaction;
an intelligent scene: a voice command solves the common requirements, and if the user wants to rest for a while, the seat is automatically turned down and an alarm clock is set.
4. Intelligent networking and remote control. By utilizing the 4G networking function, the vehicle state is fed back and monitored at any time, the help is called under the emergency condition, the temperature in the vehicle is set in advance, the system BUG is upgraded on line and the like, and the system is kept in the safest, stable and efficient state all the time.
5. The system comprises an online map navigation system, high-quality audio application and high-definition video online playing. Various maps are installed, can be switched randomly during use and are updated in real time, so that the navigation accuracy is ensured; a plurality of high-quality online audios are built in for users to freely select (Himalayan FM, dragonfly FM, cool music, etc.); a plurality of video playing APP are installed, high-definition video service is provided, and the system is enabled to have rich application and service.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A multi-screen interactive display system of a vehicle machine is characterized by comprising a first control module (10), a first display assembly (11) connected with and controlled by the first control module, a second control module (20) and a second display assembly (21) connected with and controlled by the second control module; the first control module (10) is further connected with the second control module (20) and is used for controlling the second display component (21) to display through the second control module (20).
2. The in-vehicle multi-screen interactive display system of claim 1, wherein: the first control module (10) and the second control module (20) communicate through a USB interface or an Ethernet interface, and information is transmitted through an OpenLDI interface.
3. The in-vehicle multi-screen interactive display system of claim 2, wherein: the first display assembly (11) comprises 1-4 first display screen modules independently connected with the first control module (10), and the second display assembly (21) comprises 1-4 second display screen modules independently connected with the second control module (20).
4. The in-vehicle multi-screen interactive display system of claim 3, wherein: the first control module (10) adopts a high-pass vehicle-mounted S820A system and supports and controls 1-4 first display screen modules to display;
the second control module (20) adopts a high-pass vehicle-mounted S820A system and supports and controls 1-4 second display screen modules to display; or,
the second control module (20) adopts a TI J6 system and supports and controls 1-2 blocks of display screen modules to display.
5. A multi-screen interactive display system of a vehicle-mounted device and a multi-screen interactive display system as claimed in claim 4, wherein at least:
the power supply conversion and management circuit consists of a plurality of DC-DC circuits, an LDO circuit and a power supply management circuit, is used for converting a storage battery power supply into a plurality of required power supplies and is also used for managing each power supply in the starting and dormancy processes;
the core circuit consists of a CPU, a DDR and an EMMC;
the video and control signal serialization circuit consists of a video and control signal serialization module and is used for converting the formats of the video and control signals;
the 360-degree panoramic circuit consists of a video conversion circuit and is used for receiving video signals transmitted by four cameras installed outside the vehicle and splicing the four video signals to realize the function of monitoring the driving environment outside the vehicle in real time;
the internal shooting circuit consists of a video conversion circuit and is used for receiving a video signal transmitted by a camera arranged in the vehicle, so as to realize the functions of recognizing the face of the driver, monitoring the driving state of the driver and monitoring the condition in the vehicle;
the vehicle-mounted Ethernet circuit consists of an Ethernet conversion module and is used for receiving and transmitting Ethernet signals to realize the functions of upgrading the whole vehicle component software and transmitting vehicle body state information;
the 4G communication circuit consists of 4G modules and is used for receiving and sending wireless network signals, and the functions of wireless networking, FOTA, feedback and monitoring of vehicle states, help calling under emergency and temperature setting in advance are realized;
the BT circuit is composed of a Bluetooth module and is used for receiving and sending Bluetooth signals, realizing interconnection with a mobile phone and realizing the functions of Bluetooth music playing, Bluetooth telephone transmission and vehicle door unlocking;
the WIFI circuit consists of a WIFI module and is used for receiving and sending WIFI signals to realize the communication function with the automobile data recorder or the mobile terminal;
the intelligent voice recognition circuit consists of an audio signal acquisition and conversion circuit and is used for acquiring and converting audio signals and realizing the functions of voice control, echo and noise elimination of the car machine;
the standby battery charging and discharging circuit consists of a battery charging and discharging circuit and is used for charging and discharging the standby battery so as to realize the function of ensuring the safe and stable operation of the core module under the emergency condition;
the mobile phone interconnection circuit consists of a HUB module and is used for physical connection with a mobile phone to realize the function of mobile phone interconnection;
the GPS navigation circuit consists of a GPS module and is used for receiving GPS signals and realizing the functions of positioning the whole vehicle and navigating the road;
the double FM \ AM radio circuit consists of two FM \ AM modules and is used for receiving FM \ AM signals and realizing the function of searching FM \ AM broadcasting while listening;
the map screen projection circuit consists of a video conversion circuit and is used for converting and transmitting map video signals of the central control screen to realize the function of displaying information such as map navigation and the like on the instrument screen;
the illegal movement detection circuit consists of a gravity acceleration module and is used for detecting the vibration information of the vehicle body and realizing the function of detecting whether the vehicle moves illegally;
the CAN communication circuit consists of a CAN circuit and is used for receiving and sending CAN signals to realize the information exchange function with the whole vehicle;
the LIN communication circuit consists of an LIN circuit and is used for receiving and receiving LIN signals and realizing the function of directly controlling the relevant functions of the car machine;
the ear amplifying circuit consists of a digital-to-analog audio circuit and is used for converting digital audio into analog audio to realize the function of outputting copilot entertainment audio;
and the audio processing and amplifying circuit consists of an audio processing module and is used for realizing the functions of conversion between digital audio and analog audio, sound effect processing and audio amplification.
6. A multi-screen interactive display system of a vehicle-mounted device and a multi-screen interactive display system as claimed in claim 4, wherein at least:
the power supply conversion and management circuit consists of a plurality of DC-DC circuits, an LDO circuit and a power supply management circuit, is used for converting a storage battery power supply into a plurality of required power supplies and is also used for managing each power supply in the starting and dormancy processes;
the core circuit consists of a CPU, a DDR and an EMMC;
the video and control signal serialization circuit consists of a video and control signal serialization module and is used for converting the formats of the video and control signals;
the central control map video information receiving circuit consists of a video conversion circuit and is used for receiving and converting a central control screen map video signal to realize the function of displaying information such as map navigation and the like on an instrument screen;
the CAN communication circuit consists of a CAN circuit and is used for receiving and sending CAN signals to realize the information exchange function with the whole vehicle;
the LIN communication circuit consists of an LIN circuit and is used for receiving and receiving LIN signals to realize the information exchange function of the whole vehicle;
and the temperature acquisition circuit is used for acquiring the temperature of the mainboard and realizing the function of monitoring the temperature of the mainboard.
7. The in-vehicle multi-screen interactive display system of claim 4, wherein: the first display assembly (11) comprises two first display screen modules, namely a central control screen display module (CID) and a secondary driving screen display module (FPD), and the first control module (10) is in communication connection with the central control screen display module (CID) and the secondary driving screen display module (FPD) through a first communication interface (I1) and a second communication interface (I2).
8. A multi-screen interactive display system for vehicle-mounted computers and vehicles as claimed in claim 7, wherein: the second display assembly (21) comprises two second display screen modules which are respectively an instrument screen display module (IPD) and an air conditioner screen display module (CCP), and the second control module (20) is in communication connection with the instrument screen display module (IPD) and the air conditioner screen display module (CCP) through a third communication interface (I3) and a fourth communication interface (I4).
9. The in-vehicle multi-screen interactive display system of claim 8, wherein: and the central control screen display module (CID), the secondary driving screen display module (FPD), the instrument screen display module (IPD) and the air conditioner screen display module (CCP) adopt high-resolution display screens.
10. A multi-screen interactive display system for vehicle-mounted computers and vehicles as claimed in claim 9, wherein: the first communication interface (I1), the second communication interface (I2), the third communication interface (I3) or the fourth communication interface (I4) adopts a GMSL2 transmission interface or an FPD-Link III transmission interface.
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| CN114220375A (en) * | 2021-12-24 | 2022-03-22 | 惠州市德赛西威汽车电子股份有限公司 | Method and system for realizing extended display through series display screens |
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Application publication date: 20191029 |