CN213565440U - Automobile instrument based on domain controller - Google Patents

Abstract

The utility model discloses an motormeter based on domain controller, motormeter are equipped with the display that is used for showing information, main control unit is connected to the display passing signal line, main control unit comprises MCU and SOC, main control unit connects power management system, sound source/video processing circuit, other peripheral hardware interface circuit and constitutes domain controller. The utility model discloses an use domain controller scheme, realize a quick-witted many screen display and show, can do full liquid crystal instrument and stereo set entertainment system single screen display, also can do full liquid crystal instrument and stereo set duplex screen display and show, can also realize HUD AR-HUD + full-digital liquid crystal instrument board + stereo set entertainment system combined display simultaneously to this is experienced for the more comfortable convenient driving of driver and crew.

Description

Automobile instrument based on domain controller

Technical Field

The utility model relates to an automobile instrument technical field.

Background

With the improvement of living standard of people, driving vehicles becomes an essential part of life of people. The automobile instrument is called as a heart-shaped window of an automobile, and all indexes of the automobile are basically displayed through the instrument. With the rapid development and continuous innovation of the automobile industry, the instrument panel has undergone several changes, no matter the form or the function, which are great changes, so to speak, the embodiment of the automobile manufacturing technology progress is also the miniature of the automobile historical development. The automobile instrument in China goes through the development stages of mechanical type and analog circuit electronic type. Electronic instruments composed of advanced sensors and display devices have begun to replace traditional electromechanical instruments in a comprehensive manner, and the automobile instrument technology is developing towards digitization. Digital automobile instruments are the leading technology of automobile instrument display devices at present and for some time in the future.

Meanwhile, the functions of the automobile instrument are not only simple indication, but also the aim of controlling various running conditions of the automobile is achieved by detecting parameters of all parts of the automobile and matching the parameters with a microprocessor. With the development of modern electronic technology, multifunctional electronic digital display and image display instruments with high precision, high sensitivity and intuitive reading are continuously applied to automobiles, and gradually replace conventional electromechanical instruments.

The domain controller scheme is that one chip replaces two original chips, two chips can be run on one chip, one chip can be used as a digital instrument, the other chip can be used for entertainment, and because the two entertainment systems run in a large system, the middle experience and interaction are very good. One set of system replaces the original two sets of independent systems, and the cost is also reduced. The automobile instrument based on domain controller scheme display can realize independent display of the full liquid crystal instrument panel and can also realize combined display of the HUD/AR-HUD + full digital liquid crystal instrument panel. It is expected that, in the background of gradually increasing chip computing power, the instruments of the domain controller scheme will receive more favor of the whole car factory and will become the main stream direction of the automobile instruments.

Disclosure of Invention

The utility model aims to solve the technical problem that replace original two sets of independent systems with one set of system, realize a motormeter that a quick-witted many screen display show.

In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides an motormeter based on domain controller, motormeter are equipped with the display that is used for showing information, the display passes through signal line connection main control unit, main control unit comprises MCU and SOC, main control unit connects power management system, sound source/video processing circuit, other peripheral hardware interface circuit and constitutes domain controller.

The display is equipped with two, all connects main control unit through the signal line, two the display is two screens that independently show, perhaps is the antithetical couplet screen structure.

The SOC comprises a Cluster system module and an IVI system module, wherein the Cluster system module is connected with a display used as an instrument and/or a display used as an HUD.

The MCU adopts RH850 series chips and is connected with a power management system.

The display and the host controller are connected by LVDS lines.

The utility model discloses an use domain controller scheme, realize a quick-witted many screen display and show, can do full liquid crystal instrument and stereo set entertainment system single screen display, also can do full liquid crystal instrument and stereo set duplex screen display and show, can also realize HUD AR-HUD + full-digital liquid crystal instrument board + stereo set entertainment system combined display simultaneously to this is experienced for the more comfortable convenient driving of driver and crew.

Drawings

The following brief descriptions of the contents expressed by each figure and the marks in the figures in the specification of the present invention are as follows:

fig. 1 is a schematic block diagram of domain controller-based automobile instrument hardware.

Detailed Description

The following description of the embodiments with reference to the drawings is intended to illustrate the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and working principles of the components, the manufacturing process, and the operation and use methods, etc., so as to help those skilled in the art understand the present invention more completely, accurately and deeply.

As shown in fig. 1, the domain controller is composed of a main controller, a power management system, a sound source/video processing circuit and other peripheral interface circuits, wherein the main controller is a core operation chip and is composed of an MCU and an SOC, the display is provided with two or more blocks, the display comprises an instrument, a sound box and a HUD, and the connecting line between the display and the host controller is LVDS, so that the video stream related file information can be rapidly transmitted. The instrument and host computer display using the domain controller has various schemes, and can be double/multiple screens or single liquid crystal screen split screen display.

The SOC in the main controller adopts an INTEL series and comprises a Cluster system module and an IVI system module, the Cluster system adopts Linux to realize customization development of instruments/HUD display and the like, and the IVI system adopts an android system to realize customization development of related functions of an entertainment information system; the MCU in the main controller adopts Ruisa RH850 series, and the MCU adopts RH850 series chip, realizes the power management of cabin system, CAN information receiving and dispatching, instrument safety function development.

The display is preferably a liquid crystal display, for example, a display selected from the following parameters: size: 12.3inch, aspect ratio: 8:3, resolution: 1920 × 720, contrast: 1000:1, working temperature: LCDs can work normally in the temperature range-30 ℃ to +85 ℃ and are clearly visible when viewed from the driver's position, others: anti-reflection and anti-glare. For example, a meter with the following parameters: the main information is displayed with: speedometer, fuel gauge, tachometer, water temperature table, driving information, ADAS function display etc. interactive information: music, navigation (AR navigation/2.5D navigation), telephone, etc., HMI: three different themes styles, the user is changeable, has the start animation of double screen linkage, and the display interface of part function can realize 2.5D effect picture, alarm mode: carry out the sound production through whole car speaker power amplifier, start time: 3-4s, others: USB/FOTA upgrades can be supported.

The utility model discloses utilize the domain controller scheme, a chip replaces original two chips promptly, can run two systems on a chip, one is stereo set amusement, and one is the digital instrument, and the motormeter of design both can accomplish full liquid crystal panel board independent display, also can realize HUD AR-HUD + full-digital liquid crystal panel board combined display. Because the domain controller scheme is a large system, the whole vehicle interaction experience is better, and the cost is advantageous for the whole vehicle.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims (2)

1. The utility model provides a motormeter based on domain controller, motormeter are equipped with the display that is used for showing information, the main control unit is connected through the signal line to the display, its characterized in that: the main controller is composed of an MCU and an SOC, and is connected with a power management system, a sound source/video processing circuit and other peripheral interface circuits to form a domain controller;

the two displays are connected with the main controller through signal lines, and are two screens which can display independently or are in a combined screen structure;

the SOC comprises a Cluster system module and an IVI system module, wherein the Cluster system module is connected with a display used as an instrument and/or a display used as an HUD;

the MCU adopts RH850 series chips and is connected with a power management system.

2. A domain controller based motormeter according to claim 1, characterized in that: the display and the host controller are connected by LVDS lines.

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