Vehicle central control system

Abstract

The utility model belongs to the technical field of automobile control, and discloses a vehicle central control system which comprises a host, a display unit and a user side. The host comprises a bottom plate and a core plate which is in pluggable connection with the bottom plate; the core board is provided with a main controller, and the main controller is electrically connected with the display unit; a communication module, an image and video decoding module, a power management module, an analog-to-digital conversion module, an audio processing control module and a serial decoding module are mounted on the bottom plate, all the modules are electrically connected with the main controller, and the main controller is in communication connection with the user side through the communication module. According to the technical scheme, the vehicle central control system with the separated design is adopted, and the problem that in the prior art, the space at the front end of a vehicle driver is limited is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile control, and particularly relates to a vehicle central control system. Background Art

[0002] With the continuous development of science and technology, the vehicle-mounted central control system has gone through mechanical instrument panels, electrical instrument panels, fully digital instrument panels, and HUD displays, and the requirements for system functions are getting higher and higher. In addition, due to the limited space in front of the vehicle driver, the existing central control system with integrated host and display cannot meet the installation requirements, and lacks a separate design for the host and LCD screen. Utility Model Content

[0003] The purpose of the utility model is to provide a vehicle central control system to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a vehicle central control system, including a host, a display unit and a user terminal;

[0005] The host comprises a base plate and a core board pluggably connected to the base plate;

[0006] A main controller is installed on the core board, and the main controller is electrically connected to the display unit;

[0007] The base plate is equipped with a communication module, an image and video decoding module, a power management module, an analog-to-digital conversion module, an audio processing control module and a serial decoding module. Each module is electrically connected to the main controller, and the main controller is connected to the user end through the communication module.

[0008] Optionally, the host is also provided with a plurality of interfaces connected to the main controller.

[0009] Optionally, the interface includes a network interface, a USB interface, an audio interface, a power interface, a video interface, a device detection signal interface, a display interface and a communication interface.

[0010] Optionally, a memory module and a data storage module are also installed on the core board, and the memory module and the data storage module are both electrically connected to the main controller.

[0011] Optionally, the audio processing control module includes an audio DAC module, an audio processing DSP module and a power amplifier module connected in sequence, the audio DAC module and the audio processing DSP module are also connected to the main controller, and the power amplifier module is also connected to a speaker.

[0012] Optionally, the audio processing control module also includes a radio module, one end of the radio module is connected to the main controller, and the other end of the radio module is connected to the audio processing DSP module.

[0013] Optionally, the communication module includes one or more of a LoRa module, a 2.5G communication module, a 3G communication module, a 4G communication module, and a 5G communication module.

[0014] Optionally, a core board interface is provided on the base plate, and the core board is pluggably connected to the base plate via the core board interface.

[0015] The technical effects of the utility model are:

[0016] The vehicle central control system of the utility model adopts a core board and a base board separated design architecture. This design strategy significantly reduces the manufacturing cost because it allows standardized core boards to be uniformly used on different models, and only customized configurations are performed on the base board according to the characteristics and requirements of each model, which not only ensures cost optimization, but also enhances the adaptability and flexibility of the system. Furthermore, the host and LCD screen of this system adopt a separate design. This innovative layout breaks the limitations of the traditional vehicle central control system on the driver's front space. By setting the host and the display unit independently, this system not only optimizes the layout of the interior space of the car, but also provides the driver with a wider field of view and operating space, thereby greatly improving the driving comfort. At the same time, combined with the separate design of the core board and the base board, this vehicle central control system brings higher flexibility and efficiency to the interior space layout of modern cars. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of a vehicle central control system in an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the core board of the central control system in the embodiment of the utility model;

[0021] Figure 3It is a schematic diagram of the bottom plate structure of the vehicle central control system in an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element in the middle; when an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an element in the middle at the same time; the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only;

[0025] The words “include,” “including,” “have,” “contain,” etc. used in this article are open-ended terms, meaning including but not limited to.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] Embodiment 1

[0029] like Figure 1 - Figure 3As shown, a vehicle central control system is provided in the present embodiment, including a host, a display unit and a user end; the host includes a base plate and a core board that is pluggable and connected to the base plate; a main controller is installed on the core board, and the main controller is electrically connected to the display unit; a communication module, an image video decoding module, a power management module, an analog-to-digital conversion module, an audio processing control module and a serial decoding module are installed on the base plate, and each module is electrically connected to the main controller, and the main controller is connected to the user end through the communication module. The host is also provided with several interfaces connected to the main controller. The interface includes a network interface, a USB interface, an audio interface, a power interface, a video interface, a device detection signal interface, a display interface and a communication interface. A core board interface is provided on the base plate, and the core board is pluggable and connected to the base plate through the core board interface.

[0030] It is feasible that a memory module and a data storage module are also installed on the core board, and both the memory module and the data storage module are electrically connected to the main controller.

[0031] The audio processing control module includes an audio DAC module, an audio processing DSP module and a power amplifier module connected in sequence, wherein the audio DAC module and the audio processing DSP module are also connected to the main controller, and the power amplifier module is also connected to a speaker. The audio processing control module also includes a radio module, one end of which is connected to the main controller, and the other end is connected to the audio processing DSP module.

[0032] It can be implemented that the communication module includes one or more of a LoRa module, a 2.5G communication module, a 3G communication module, a 4G communication module, and a 5G communication module.

[0033] The vehicle central control system of this embodiment adopts a design architecture with a core board and a base board separated. This design strategy significantly reduces manufacturing costs because it allows the use of standardized core boards on different vehicle models, and only customized configurations are performed on the base board according to the characteristics and requirements of each vehicle model. This not only ensures cost optimization, but also enhances the adaptability and flexibility of the system.

[0034] Furthermore, the host and LCD screen in this system adopt a separate design. This innovative layout breaks the limitations of traditional vehicle central control systems in the driver's front space. By setting the host and display unit independently, this system not only optimizes the layout of the interior space, but also provides the driver with a wider field of view and operating space, thereby greatly improving driving comfort. At the same time, combined with the separate design of the core board and the bottom plate, this vehicle central control system brings higher flexibility and efficiency to the interior space layout of modern cars.

[0035] This embodiment proposes a vehicle central control system with a separate host and LCD screen design, and its main functions include: Bluetooth phone, Bluetooth music, radio, local GPS navigation, audio and video multimedia playback, mobile phone interconnection, air conditioning control, vehicle information, and system settings.

[0036] The hardware system is all implemented with domestic chips, including core ARM processor, DDR memory, eMMC storage, reversing image video decoding, FM / AMRadio, Bluetooth, WiFi, video transmission, audio processing, power amplifier, GPS, MCU controller, CAN communication, and power processing. The system software is based on ARM-Linux and QT platform. The control method includes main interface process, Bluetooth process, mobile phone interconnection process, radio process, MCU process. All processes communicate in real time through Socket. The host and LCD screen are separated in design. The serial codec is AIM955 / 956 chip.

[0037] The mechanical structure of the product in this embodiment is as follows Figure 1 As shown in the figure, the host is separated from the LCD screen, the length of the connecting line can reach more than 1.5 meters, the structure is compact, and all wired connection interfaces are on the host side, including:

[0038] 1) I1: power input, ACC signal, reversing signal, CAN signal, video output signal, radio antenna, 4-way audio output signal, air conditioning detection signal, heating detection signal, driving record signal, four-position signal, position light, etc.;

[0039] 2) I2 and I3: 2-way USB-A interface;

[0040] 3) I4: 2-way MIC audio signal input;

[0041] 4) I5: reversing image video input signal;

[0042] 5) I6: external LCD screen signal;

[0043] 6) I7: Ethernet interface;

[0044] 7) I8: Bluetooth, WiFi, and GPS antenna interface.

[0045] Hardware system implementation method: ARK1668E is a car-grade SoC chip specially designed for automotive infotainment systems and digital instruments, with low system overhead and high cost performance. In this embodiment, the main functions of the central control system are completed by ARK1668E. The MCU controller mainly completes power management and CAN data communication. ARK1668E communicates with MCU in real time through a specific serial port protocol. The data communication protocols used in this embodiment include USB, I2C, SPI, CAN, and UART protocols.

[0046] The vehicle central control system of this embodiment adopts the core board + base board design scheme, which reduces the manufacturing cost. Figure 2 As shown in the figure, the ARK1668E minimum system, the hardware modules include: core processor, DDR memory, eMMC storage. Figure 3 As shown in the figure, the hardware modules include: reversing image video decoding, FM / AMRadio, Bluetooth, WiFi, video transmission, audio DAC, audio processing DSP, power amplifier, MICADC, GPS, MCU controller, CAN communication, USB-A, and power processing. Each module interacts with the main controller ARK1668E through its own interface, such as serial port, I2C, SPI, LVDS, ITU, etc. The audio data is connected to the Bluetooth chip through high-speed serial port input and output; the processor is connected to IOS and Android phones through USB or Bluetooth / WiFi wireless data transmission.

[0047] The software system of this embodiment is based on the ARM-Linux platform, the bootloader is uboot, the Linux kernel is version 4.9, the file system is compiled using buildroot, and the control process of the central control system includes:

[0048] 1) S1: uboot completes the board-level development kit driver configuration, such as CPU configuration, DDR parameters, necessary hardware interface configuration, etc. In addition, in this embodiment, uboot needs to decide whether to run the factory installation program, upgrade system, or main system.

[0049] 2) S2: The Linux kernel completes all hardware device drivers and prepares all resources for loading the file system. The hardware driver can be configured and selected in the device tree.

[0050] 3) S3: rootfs file system loading. All required applications in this embodiment are compiled and generated by buildroot configuration, including the QT graphical user interface.

[0051] 4) S4: Mobile phone interconnection process, supporting various wired and wireless interconnection protocols, such as CarPlay, AndroidAuto, Baidu CarLife, etc.

[0052] 5) S5: Bluetooth process, completing AT command communication with Bluetooth hardware and transmission of sound data.

[0053] 6) S6: WiFi configuration.

[0054] 7) S7: Radio process, completes communication with the main interface program and control of the radio chip.

[0055] 8) S8: MCU process, completing the serial port communication with the MCU.

[0056] 9) S9: Main interface program, multi-window control, realizing multi-window switching of human-computer interaction of the main functions of the central control system.

[0057] The display screen of this embodiment can realize Bluetooth phone, Bluetooth music, radio, local GPS navigation, audio and video multimedia playback, mobile phone interconnection, air conditioning control, vehicle information, and system settings. The specific operation process includes:

[0058] 1) M1: Main controller. All processes interact with the main controller through sockets, and interact with all windows through QT signals and slots to complete multi-window touch screen control switching;

[0059] 2) M1: Radio shortcut window;

[0060] 3) M2: Bluetooth music shortcut window;

[0061] 4) M3: Main window, including switching between multiple windows, such as Home window, Bluetooth phone window, radio window, mobile phone interconnection window, local GPS window, air conditioning control window, multimedia window, vehicle information window and system settings window.

[0062] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A vehicle central control system, characterized in that: It includes a host, a display unit and a user terminal; The host comprises a base plate and a core board pluggably connected to the base plate; A main controller is installed on the core board, and the main controller is electrically connected to the display unit; The base plate is equipped with a communication module, an image and video decoding module, a power management module, an analog-to-digital conversion module, an audio processing control module and a serial decoding module. Each module is electrically connected to the main controller, and the main controller is connected to the user end through the communication module.

2. A vehicle central control system according to claim 1, characterized in that: The host is also provided with a plurality of interfaces connected with the main controller.

3. A vehicle central control system according to claim 2, characterized in that: The interfaces include a network interface, a USB interface, an audio interface, a power interface, a video interface, a device detection signal interface, a display interface and a communication interface.

4. A vehicle central control system according to claim 1, characterized in that: A memory module and a data storage module are also installed on the core board, and both the memory module and the data storage module are electrically connected to the main controller.

5. A vehicle central control system according to claim 1, characterized in that: The audio processing control module comprises an audio DAC module, an audio processing DSP module and a power amplifier module which are connected in sequence. The audio DAC module and the audio processing DSP module are also connected to the main controller, and the power amplifier module is also connected to a speaker.

6. A vehicle central control system according to claim 5, characterized in that: The audio processing control module also includes a radio module, one end of which is connected to the main controller, and the other end of which is connected to the audio processing DSP module.

7. A vehicle central control system according to claim 1, characterized in that: The communication module includes one or more of a LoRa module, a 2.5G communication module, a 3G communication module, a 4G communication module, and a 5G communication module.

8. A vehicle central control system according to claim 1, characterized in that: The base plate is provided with a core board interface, and the core board is pluggably connected to the base plate through the core board interface.

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