CN221272569U - Cabin display architecture and vehicle - Google Patents

Abstract

The application provides a cabin display framework and a vehicle, wherein the cabin display framework comprises a micro control unit, a first display screen and a second display screen, a first connection port of the micro control unit is connected with the first connection port of the first display screen and used for transmitting functional safety data to the first display screen for display, a second connection port of the micro control unit is connected with the second connection port of the first display screen and used for receiving a detection result aiming at the display state of the functional safety data, a third connection port of the micro control unit is connected with the first connection port of the second display screen and used for transmitting the functional safety data to the second display screen for display, and a fourth connection port of the micro control unit is connected with the second connection port of the second display screen and used for receiving a detection result aiming at the display state of the functional safety data. The application improves the level of functional safety.

Description

Cabin display architecture and vehicle

Technical Field

The application relates to the technical field of automobiles, in particular to a cabin display architecture and a vehicle.

Background

With the rapid development of automobile electronic technology and integrated circuit technology, more and more automobiles are provided with micro control units. In the design process of the intelligent cabin, a circuit tends to be complex, the integration level is higher and higher, and the safety and reliability of the circuit become more and more critical indexes in design and development.

In the prior art, there are mainly two cases:

1) The physical alarm indicator lamp can achieve the highest ASIL D with safe functions, but the hardware and structure cost can be increased, the display mode is single, and the display effect of the display screen is difficult to achieve in the whole;

2) The display scheme of the OSD is carried, the function security level of the OSD and the display screen is limited to ASIL B, and the whole machine can only be ASIL B.

At present, no cabin display architecture which can realize that the display of important information meets the safety level of an ASIL D function by utilizing the existing cabin architecture exists.

Disclosure of utility model

Accordingly, the present application is directed to a cabin display architecture and a vehicle that overcome at least one of the above drawbacks.

In a first aspect, an embodiment of the present application provides a cabin display architecture, including a micro control unit, a first display screen and a second display screen, where a first connection port of the micro control unit is connected to the first connection port of the first display screen, so as to transmit functional safety data to the first display screen for display, a second connection port of the micro control unit is connected to the second connection port of the first display screen, so as to receive a detection result of a display state of the functional safety data, and a third connection port of the micro control unit is connected to the first connection port of the second display screen, so as to transmit the functional safety data to the second display screen for display, and a fourth connection port of the micro control unit is connected to the second connection port of the second display screen, so as to receive a detection result of a display state of the functional safety data.

In an alternative embodiment of the present application, the first display screen includes a first controller and a first sub display screen, where a first connection port of the micro control unit is connected to the first connection port of the first controller, so as to transmit functional safety data to the first controller, a third connection port of the first controller is connected to the first connection port of the first sub display screen, the first controller transmits the functional safety data received from the micro control unit to the first sub display screen for display, a second connection port of the micro control unit is connected to the second connection port of the first controller, so as to receive a detection result for a display state of the functional safety data, and a fifth connection port of the micro control unit is connected to the second connection port of the first sub display screen, so as to receive a detection result for a display state of the functional safety data, which is indicative of the first sub display screen.

In an alternative embodiment of the present application, the second display screen includes a second controller and a second sub display screen, where a third connection port of the micro control unit is connected to the first connection port of the second controller, so as to transmit functional safety data to the second controller, the third connection port of the second controller is connected to the first connection port of the second sub display screen, the second controller transmits the functional safety data received from the micro control unit to the second sub display screen for display, a fourth connection port of the micro control unit is connected to the second connection port of the second controller, so as to receive a detection result for a display state of the functional safety data, and a sixth connection port of the micro control unit is connected to the second connection port of the second sub display screen, so as to receive a detection result for a display state of the functional safety data, which is indicative of the second sub display screen.

In an alternative embodiment of the present application, the cabin display architecture further includes a system-in-chip, a first converter, and a second converter, where a first connection port of the first converter is connected to a first connection port of the system-in-chip for receiving nonfunctional security data, a second connection port of the first converter is connected to a fourth connection port of the first controller, transmitting nonfunctional security data to the first controller, a third connection port of the first controller is connected to a first connection port of the first sub-display, the first controller transmits the nonfunctional security data received from the first converter to the first sub-display for display, a first connection port of the second converter is connected to a second connection port of the system-in-chip for receiving nonfunctional security data, a second connection port of the second converter is connected to a fourth connection port of the second controller, transmitting nonfunctional security data to the first controller, a third connection port of the first controller is connected to the second sub-display, and the second controller is connected to the second sub-display for transmitting the nonfunctional security data from the second connection port of the second converter to the second sub-display.

In an alternative embodiment of the present application, the third connection port of the system-on-chip is connected to the seventh connection port of the micro control unit for on-board communication.

In an alternative embodiment of the application, each connection port comprises a communication port or a control port.

In an alternative embodiment of the present application, the first converter is connected to the first controller through a low voltage differential signal line, and the second converter is connected to the second controller through a low voltage differential signal line.

In an alternative embodiment of the present application, the functional safety data includes a plurality of data display items and a control command, the control command indicates that a target data display item in the plurality of data display items is displayed on each sub display screen, the first controller transmits the control command to the first sub display screen for display, and the second controller transmits the control command to the second sub display screen for display.

In an optional embodiment of the present application, the functional security levels of the first controller, the first sub-display screen, the second controller, and the second sub-display screen are all ASIL B, and the functional security level of the micro-control unit is ASIL D.

In a second aspect, embodiments of the present application also provide a vehicle including the cabin display architecture of any of the above-described alternative embodiments.

The embodiment of the application provides a cabin display architecture and a vehicle, wherein the cabin display architecture comprises a micro control unit, a first display screen and a second display screen, a first connection port of the micro control unit is connected with the first connection port of the first display screen and used for transmitting functional safety data to the first display screen for display, a second connection port of the micro control unit is connected with the second connection port of the first display screen and used for receiving a detection result aiming at the display state of the functional safety data, a third connection port of the micro control unit is connected with the first connection port of the second display screen and used for transmitting the functional safety data to the second display screen and used for displaying, and a fourth connection port of the micro control unit is connected with the second connection port of the second display screen and used for receiving a detection result aiming at the display state of the functional safety data. The application achieves the effect of improving the functional safety level.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a cabin display architecture according to an embodiment of the present application;

Fig. 2 is a second schematic diagram of a cabin display architecture according to an embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

In the description of the embodiments of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the product of the present utility model is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "provided with," "mounted to," "connected to," and "connected to" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

With the rapid development of automobile electronic technology and integrated circuit technology, more and more automobiles are equipped with intelligent cabin controllers. In the design process of the intelligent cabin, a circuit tends to be complex, the integration level is higher and higher, and the safety and reliability of the circuit become more and more critical indexes in design and development.

In the prior art, there are mainly two cases:

1) The physical alarm indicator lamp can achieve the highest ASIL D with safe functions, but the hardware and structure cost can be increased, the display mode is single, and the display effect of the display screen is difficult to achieve in the whole;

2) The display scheme of the OSD is carried, the function security level of the OSD and the display screen is limited to ASIL B, and the whole machine can only be ASIL B.

At present, no cabin display architecture which can realize that the display of important information meets the safety level of an ASIL D function by utilizing the existing cabin architecture exists.

Aiming at the problems of at least one aspect, the embodiment of the application provides a novel cabin display architecture, and functional safety data is transmitted by connecting a micro control unit with a first display screen and a second display screen, so that when any one display screen fails, the functional safety data can be continuously displayed through the other display screen, and the functional safety level of the micro control unit is improved through the display backup.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a cabin display architecture according to an embodiment of the application. As shown in fig. 1, a cabin display architecture provided in an embodiment of the present application includes: a micro control unit 10, a first display 20, a second display 30.

Specifically, the first connection port of the micro control unit (Microcontroller Unit, MCU) 10 is connected to the first connection port of the first display 20, so as to transmit functional safety data to the first display 20 for display.

In a preferred embodiment, the cabin display architecture provided by the embodiments of the present application is applicable to vehicles, in which case the micro control unit 10 may be placed in the vehicle, preferably in a location near the cabin. At this time, the micro control unit 10 is a real-time system in the intelligent cockpit, and processes data of high importance concerning safe driving. The first display 20 may be placed in front of the dashboard, center control, front of the copilot, or front of the rear seat.

The first connection port of the micro control unit 10 and the first connection port of the first display 20 may be a communication interface or a control interface.

The functional safety data is data related to devices related to safe driving, the data can be warning function indication such as fuel oil indication, vehicle door state indication and safety belt indication, and the data can also be fault function indication such as generator fault indication, ABS fault indication, gearbox fault indication and the like.

The vehicle is provided with safety driving related devices connected to the micro control unit 10 to transmit the functional safety data to the micro control unit 10, and the micro control unit 10 transmits the functional safety data to the first display screen 20 to display the functional safety data on the first display screen 20.

The second connection port of the micro control unit 10 is connected to the second connection port of the first display screen 20, and is configured to receive a detection result of the display state of the functional safety data.

The second connection port of the micro control unit 10 may be a communication interface or a control interface, and the second connection port of the first display 20 may be a communication interface or a control interface.

Here, the detection result for the display state of the functional safety data is a result of detecting whether the first display 20 displays the functional safety data by the self-contained detection function, and the result includes a first result for indicating that the first display 20 successfully displays the functional safety data and a second result for indicating that the first display 20 does not successfully display the functional safety data.

The third connection port of the micro control unit 10 is connected to the first connection port of the second display screen 30, so as to transmit the functional safety data to the second display screen 30 for display.

The fourth connection port of the micro control unit 10 is connected to the second connection port of the second display screen 30, and is configured to receive a detection result of the display state of the functional safety data.

Here, the detection result for the display state of the functional safety data is a result of detecting whether the second display screen 30 displays the functional safety data by the own detection function, and the result includes a third result for indicating that the second display screen 30 successfully displays the functional safety data and a fourth result for indicating that the second display screen 30 does not successfully display the functional safety data.

In the first embodiment, the functional safety data output by the micro control unit may be simultaneously transmitted to the first display screen and the second display screen.

In this case, the first display screen and the second display screen both display functional safety data.

The number of display screens may be determined by a selection operation under a setting page of the in-vehicle display interface, or may be determined by an operation of a key for selecting the number of display screens provided on the vehicle. Or may set priority, preferably 2 display screens.

The micro control unit monitors the level signal fed back by each display screen in real time, when the level signal of the first display screen is the first level, the fault of the first display screen is indicated, and at the moment, the other display screen can still continuously display functional safety data. When the level signal of the second display screen is at the third level, the fault of the second display screen is indicated, and at the moment, the other display screen can still continue to display the functional safety data.

In the second embodiment, the functional safety data output by the micro control unit can be individually transmitted to any one of the display screens.

For the case where a plurality of display screens are provided in the vehicle, the priority of each display screen may be preset, and the priority of the display screen installed at the instrument panel is the highest, and the display screen installed at the center control is the next. In this case, the functional safety data may be displayed through the display screen having the highest priority.

The micro control unit monitors the level signal fed back by the display screen with the highest priority in real time, when the level signal is at the first level, the fault of the display screen is indicated, at the moment, the micro control unit transmits the functional safety signal to the display screen with the second highest priority for display, and through the display backup, the functional safety level is improved.

Referring to fig. 2, fig. 2 is a second schematic diagram of a cabin display architecture according to an embodiment of the application. As shown in fig. 2, a cabin display architecture provided in an embodiment of the present application includes: a micro control unit 10, a first display 20, a second display 30.

Specifically, the first display 20 includes a first controller 21 and a first sub display (Liquid CRYSTAL DISPLAY; LCD) 22, wherein a first connection port of the micro control unit 10 is connected to a first connection port of the first controller 21 to transmit functional safety data to the first controller 21, a third connection port of the first controller 21 is connected to a first connection port of the first sub display 22, and the first controller 21 transmits the functional safety data received from the micro control unit 10 to the first sub display 22 to display.

The first controller may be an OSD controller (On SCREEN DISPLAY) for embedding a related icon corresponding to the functional security data On top of the image data.

The first connection port of the first controller 21, the third connection port of the first controller 21, and the first connection port of the first sub display 22 may be communication interfaces or control interfaces.

The second connection port of the micro control unit is connected with the second connection port of the first controller and used for receiving a detection result aiming at the display state of the functional safety data, and the fifth connection port of the micro control unit is connected with the second connection port of the first sub display screen and used for receiving a detection result aiming at the display state of the functional safety data and representing the first sub display screen.

The plurality of display items may be fuel oil display, door status display, failure function display, generator failure display, ABS failure display, transmission failure display, and the like, and when the functional safety data is a plurality of data display items, a detection result for a display status of the functional safety data may also be a status detection result for whether a target data display item among the plurality of data display items is displayed.

The fifth connection port of the micro control unit 10 may be a communication interface or a control interface.

Specifically, the second display screen 30 includes a second controller 31 and a second sub display screen (Liquid CRYSTAL DISPLAY; LCD) 32, wherein a third connection port of the micro control unit 10 is connected to a first connection port of the second controller 31 to transmit functional safety data to the second controller 31, a third connection port of the second controller 31 is connected to a first connection port of the second sub display screen 32, and the second controller 31 transmits the functional safety data received from the micro control unit 10 to the second sub display screen 32 to display.

The second controller may be an OSD controller (On SCREEN DISPLAY; OSD) for embedding a target function safety related icon over the image data.

The first connection port of the second controller 31, the third connection port of the second controller 31, and the first connection port of the second sub display 32 may be a communication interface or a control interface.

The sixth connection port of the micro control unit 10 may be a communication interface or a control interface.

In this case, the detection result of the display state for the functional safety data is represented by a level signal.

Here, the detection result of the display state for the functional safety data is a result of the first display screen 20 detecting whether it displays the functional safety data, and the result includes a first level for indicating that the display state for the functional safety data of the first display screen 20 is not normally displayed, at which time the first display screen does not display the functional safety data, and a second level for indicating that the display state for the functional safety data of the first display screen 20 is normally displayed, at which time the first display screen normally displays the functional safety data. For example, the first level may be one of a high level and a low level, and the second level may be the other of the high level and the low level.

The detection result of the display state of the functional safety data is a result of the second display screen 30 detecting whether the second display screen 30 displays the functional safety data, and the result includes a third level for indicating that the display state of the second display screen 30 for the functional safety data is not normally displayed, at which time the second display screen 30 does not display the functional safety data, and a fourth level for indicating that the display state of the second display screen 30 for the functional safety data is normally displayed, at which time the second display screen 30 normally displays the functional safety data. For example, the third level may be one of a high level and a low level, and the fourth level may be the other of the high level and the low level.

In another case, the detection result of the display state of the functional safety data is obtained by whether or not the target data display item among the plurality of data display items is displayed.

At this time, each data display item transmits a control command through the OSD controller to instruct the target data display item to be displayed on each sub-display screen, the target display item is applied to the vehicle, the first controller receives the control command from the micro-control unit and then transmits the control command to the first sub-display screen so that the target data display item is displayed, and the second controller receives the control command from the micro-control unit and then transmits the control command to the second sub-display screen so that the target data display item is displayed.

Here, the detection result for the display state of the functional safety data is a result of the first display screen 20 detecting whether it displays the functional safety data, the result including a target data display first result for indicating that the first display screen 20 successfully displays the target data display item and a target data display second result for indicating that the first display screen 20 does not successfully display the target data display item, the first display screen detecting whether it displays the functional safety data as an existing function of the first display screen itself.

Here, the detection result for the display state of the functional safety data is a result of the second display screen 30 detecting whether it displays the functional safety data, the result including a target data display third result for indicating that the second display screen 30 successfully displays the target data display item and a target data display fourth result for indicating that the second display screen 30 does not successfully display the target data display item, the second display screen detecting whether it displays the functional safety data as an existing function of the second display screen itself.

Illustratively, the first sub-display screen and the second sub-display screen include, but are not limited to, one of a liquid crystal display screen, a dot matrix screen, and a broken code screen.

The functional safety data of the micro control unit can be transmitted to the first controller and the second controller, the first controller transmits the functional safety data to the first sub display screen for displaying, the second controller transmits the functional safety data to the second sub display screen for displaying, and when the level signal of the safety state returned by any one display screen is abnormal, the other display screen can still normally display the functional safety data, so that the backup effect is achieved, and the functional safety level is improved.

Specifically, the cockpit display architecture further includes a system on chip (SystemonChip; SOC) 40, a first converter 50, and a second converter 60, wherein a first connection port of the first converter 50 is connected with a first connection port of the system on chip 40 for receiving non-functional security data.

The system-level chip is a device in the intelligent cabin, and is used for realizing data processing and output of audio and video, network and the like and processing data with lower importance degree related to safe driving.

The first connection port of the first converter 50 and the first connection port of the system on chip 40 may be a communication interface or a control interface.

The second connection port of the first converter 50 is connected with the fourth connection port of the first controller 21 to transmit the non-functional safety data to the first controller 21, the third connection port of the first controller 21 is connected with the first connection port of the first sub-display 22, and the first controller 21 transmits the non-functional safety data received from the first converter 50 to the first sub-display 22 to display.

The first converter may be used to convert data output by the SOC into a data type required by the OSD controller, facilitating transmission of the data type.

The second connection port of the first converter 50 and the fourth connection port of the first controller 21 may be a communication interface or a control interface.

The non-functional safety data is data of a device with low importance degree related to safe driving, and the data can be time, bluetooth, music, pictures, video, sound and the like.

The first connection port of the second converter 60 is connected to the second connection port of the system on chip 40 for receiving the nonfunctional security data, the second connection port of the second converter 60 is connected to the fourth connection port of the second controller 31, the nonfunctional security data is transmitted to the second controller 31, the third connection port of the second controller 31 is connected to the first connection port of the second sub-display 32, and the second controller 31 transmits the nonfunctional security data received from the second converter 60 to the second sub-display 32 for display.

The second converter may be used to convert the data output by the SOC into the data type required by the OSD controller, facilitating the transmission of the data type.

The first connection port of the second converter 60, the second connection port of the second converter 60, and the fourth connection port of the second controller 31 may be communication interfaces or control interfaces.

The third connection port of the second controller 31 and the first connection port of the second sub display 32 may be a communication interface or a control interface.

In an alternative embodiment, the first converter and the second converter are configured to convert the nonfunctional security data of the system-on-chip into a data type that can be received by the first controller, where the first controller and the second controller respectively receive the nonfunctional security data and the functional security data transmitted by the SOC and the MCU, and transmit the data to the first display screen and the second display screen for display.

Specifically, the third connection port of the system-in-chip is connected with the seventh connection port of the micro control unit for on-board communication.

Illustratively, on-board communication is bi-directional between the SOC and the MCU, such as: time, vehicle speed, battery power, air conditioning status, etc.

Specifically, each connection port includes a communication port or a control port, the first converter is connected to the first controller through a Low-Voltage differential signal line (Low-Voltage DIFFERENTIAL SIGNALING; LVDS), and the second converter is connected to the second controller through a Low-Voltage differential signal line.

For example, the first controller and the second controller may be configured to embed a target function security related icon on top of the original LVDS image data.

In an alternative embodiment, the first controller is coupled to the first sub-display via a display interface (OpenLDI) and the second controller is coupled to the second sub-display via a display interface (OpenLDI).

Specifically, the functional security levels of the first controller, the first sub-display screen, the second controller and the second sub-display screen are all ASIL B, and the functional security level of the micro-control unit is ASIL D.

For example, the functional security level a is the lowest standard in the functional security levels, and one more security design flow than the non-functional security level design, the functional security level B is the position where the system can detect the fault, the functional security level D is the function with a backup after the fault, one display screen fails, and the other display screen can replace the previous display screen, so that the functional security level is improved.

In an alternative embodiment, when the functional security level of the micro control unit is ASIL B, one micro control unit corresponds to one display screen, and when the functional security level of the micro control unit is ASIL D, one micro control unit corresponds to two display screens, so that when any one display screen fails, the functional security data can be further displayed through the other display screen, and through the display backup, the functional security level of the micro control unit is improved.

In a second aspect, an embodiment of the present application provides a vehicle including the cabin display architecture described above.

The embodiment of the application provides a cabin display architecture and a vehicle, and functional safety data are transmitted by connecting a micro control unit with a first display screen and a second display screen, so that when any one display screen fails, the functional safety data can be continuously displayed through the other display screen, and the effect of improving the functional safety level is achieved through the display backup.

Finally, it should be noted that: the above examples are only specific embodiments of the present application, and are not intended to limit the scope of the present application, but it should be understood by those skilled in the art that the present application is not limited thereto, and that the present application is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A cabin display architecture is characterized in that the cabin display architecture comprises a micro control unit, a first display screen and a second display screen,

Wherein the first connection port of the micro control unit is connected with the first connection port of the first display screen for transmitting the functional safety data to the first display screen for display, the second connection port of the micro control unit is connected with the second connection port of the first display screen for receiving the detection result of the display state of the functional safety data,

The third connection port of the micro control unit is connected with the first connection port of the second display screen and used for transmitting the functional safety data to the second display screen for display, and the fourth connection port of the micro control unit is connected with the second connection port of the second display screen and used for receiving a detection result aiming at the display state of the functional safety data.

2. The cockpit display architecture of claim 1 wherein said first display screen includes a first controller and a first sub-display screen,

Wherein the first connection port of the micro control unit is connected with the first connection port of the first controller for transmitting functional safety data to the first controller, the third connection port of the first controller is connected with the first connection port of the first sub display screen, the first controller transmits the functional safety data received from the micro control unit to the first sub display screen for display,

The second connection port of the micro control unit is connected with the second connection port of the first controller for receiving the detection result of the display state of the functional safety data,

The fifth connection port of the micro control unit is connected with the second connection port of the first sub display screen and is used for receiving a detection result representing the display state of the first sub display screen aiming at the functional safety data.

3. The cockpit display architecture of claim 2 wherein said second display includes a second controller and a second sub-display,

Wherein the third connection port of the micro control unit is connected with the first connection port of the second controller for transmitting functional safety data to the second controller, the third connection port of the second controller is connected with the first connection port of the second sub display screen, the second controller transmits the functional safety data received from the micro control unit to the second sub display screen for display,

The fourth connection port of the micro control unit is connected with the second connection port of the second controller for receiving the detection result of the display state of the functional safety data,

The sixth connection port of the micro control unit is connected with the second connection port of the second sub display screen and is used for receiving a detection result representing the display state of the second sub display screen aiming at the functional safety data.

4. The cockpit display architecture of claim 3 further comprising a system-on-chip, a first converter and a second converter,

Wherein the first connection port of the first converter is connected with the first connection port of the system-in-chip for receiving nonfunctional security data, the second connection port of the first converter is connected with the fourth connection port of the first controller for transmitting the nonfunctional security data to the first controller, the third connection port of the first controller is connected with the first connection port of the first sub-display screen, the first controller transmits the nonfunctional security data received from the first converter to the first sub-display screen for display,

The first connection port of the second converter is connected with the second connection port of the system-in-chip and is used for receiving nonfunctional safety data, the second connection port of the second converter is connected with the fourth connection port of the second controller and is used for transmitting the nonfunctional safety data to the second controller, the third connection port of the second controller is connected with the first connection port of the second sub-display screen, and the second controller is used for transmitting the nonfunctional safety data received from the second converter to the second sub-display screen for displaying.

5. The cockpit display architecture of claim 4 wherein the third connection port of the system-on-chip connects with a seventh connection port of the micro-control unit for on-board communication.

6. The cabin display architecture of claim 5 wherein each connection port comprises a communication port or a control port.

7. The cabin display architecture of claim 6 wherein the first converter is connected to the first controller by a low voltage differential signal line and the second converter is connected to the second controller by a low voltage differential signal line.

8. The cabin display architecture of claim 7 wherein the functional safety data comprises a plurality of data display items and control commands indicating the display of a target data display item of the plurality of data display items on each sub-display screen, the first controller receiving a control command from the micro-control unit to transmit to the first sub-display screen to cause the target data display item to be displayed, the second controller receiving a control command from the micro-control unit to transmit to the second sub-display screen to cause the target data display item to be displayed.

9. The cockpit display architecture of claim 8 wherein the first controller, the first sub-display, the second controller, and the second sub-display are all ASIL B in functional security level and the micro-control unit is ASIL D in functional security level.

10. A vehicle, characterized in that it comprises a cabin display architecture according to any one of claims 1-9.