CN116714537A

CN116714537A - Central domain controller and vehicle

Info

Publication number: CN116714537A
Application number: CN202310668274.7A
Authority: CN
Inventors: 王春濛; 何军; 蔡於萍; 王骏; 张颂
Original assignee: Ningbo Lutes Robotics Co ltd
Current assignee: Ningbo Lutes Robotics Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-09-08

Abstract

The invention discloses a central domain controller, which comprises an automatic driving module, an intelligent cabin module, a vehicle body control module and a calculation force expansion module, wherein the automatic driving module is connected with a sensor system, a vehicle-mounted network system, a display system, an antenna system and a power supply system of a vehicle and is used for realizing the perception, planning, decision making and execution of automatic driving; the intelligent cabin module is connected with a vehicle-mounted network system, a display system, an audio system, a power supply system and an antenna system of the vehicle and is used for realizing various intelligent services provided by the intelligent cabin; the vehicle body control module is connected with a vehicle-mounted network system, a power supply system and a vehicle body control system of the vehicle and is used for controlling the advancing posture of the vehicle body and various functional devices of the vehicle body; the computing power expansion module is connected with a sensor system, an on-board network system and a power supply system of the vehicle and used for expanding the computing capacity of the central domain controller. The central domain controller provided by the invention can adapt to different development requirements, and reduces the cost of the whole vehicle wire harness and the weight of the whole vehicle.

Description

Central domain controller and vehicle

Technical Field

The invention relates to the technical field of vehicle control, in particular to a central domain controller and a vehicle.

Background

In recent years, with the vigorous development of the automobile industry, the number of various electronic control units (Electronic Control Unit, ECU) related to an automobile electronic and electric architecture is increasing, for example, an automatic driving controller, an intelligent cabin controller, a vehicle body control controller and the like, and most of the controllers in the automobile electronic and electric architecture are distributed architecture, and are connected with each other through a CAN or LIN bus, and the increase in the number of ECU not only results in the increase of a connecting wire harness and the increase of the weight of the whole vehicle, but also increases the complexity of wiring between the controllers.

In addition, with the maturity of intelligent driving technology, a large amount of intelligent vehicle-mounted applications put forward very high demands on the calculation power of the automobile, and in the actual mass production development process, facing different vehicle model configuration requirements and different cost intervals, abundant automatic driving functions can not be fully carried, the required calculation power is usually estimated according to the vehicle model, then hardware selection is carried out, once the calculation power is determined, the calculation power can not be changed almost, and when the application requirement for the calculation power is increased or the vehicle-mounted applications become more and more, the control system can not adapt to further development requirements.

Accordingly, there is a need to provide an improved solution to overcome the above technical problems in the prior art.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a central domain controller and a vehicle, which can reduce the complexity of a vehicle-mounted control architecture, adapt to different development requirements, and reduce the cost of a whole vehicle wire harness and the weight of the whole vehicle.

The invention provides a central domain controller which comprises an automatic driving module, an intelligent cabin module, a vehicle body control module and a calculation force expansion module, wherein the intelligent cabin module, the vehicle body control module and the calculation force expansion module are all connected with the automatic driving module, and the intelligent cabin module is also connected with the calculation force expansion module;

the automatic driving module is connected with a sensor system, a vehicle-mounted network system, a display system, an antenna system and a power supply system of the vehicle and is used for realizing the perception, planning, decision making and execution of automatic driving;

the intelligent cabin module is connected with a vehicle-mounted network system, a display system, an audio system, a power supply system and an antenna system of the vehicle and is used for realizing various intelligent services provided by the intelligent cabin;

the vehicle body control module is connected with a vehicle-mounted network system, a power supply system and a vehicle body control system of the vehicle and is used for controlling the advancing posture of the vehicle body and various functional devices of the vehicle body;

the computing power expansion module is connected with a sensor system, a vehicle-mounted network system and a power supply system of the vehicle and used for expanding the computing capacity of the central domain controller.

Further, the computing power expansion module is also used for expanding functions of the automatic driving module, including automatic driving functions which can be completely separated from the operation of a driver.

Further, the automatic driving module comprises a micro control chip, a system-level chip, an Ethernet communication chip, a power chip, a vehicle-mounted network communication chip, an ultrasonic radar signal transmission chip, a satellite navigation positioning chip, a deserializer and a serializer for image access and display, and further comprises an Ethernet interface, a power interface, a whole vehicle communication interface, an ultrasonic radar signal transmission interface, an antenna interface, a camera interface and an image display interface which are connected with external equipment.

Further, the intelligent cabin module comprises a micro control chip, a system-level chip, an Ethernet communication chip, a power chip, a vehicle-mounted network communication chip, a wireless network communication chip, a digital audio transceiver, a serializer for image display, an Ethernet interface, a power interface, a whole vehicle communication interface, a wireless communication interface, an audio interface and an image display interface which are connected with external equipment.

Further, the computing power expansion module comprises a micro control chip, a system-level chip, an Ethernet communication chip, a power chip, a vehicle-mounted network communication chip, a deserializer for image access, an Ethernet interface, a power interface, a whole vehicle communication interface and a camera interface, wherein the Ethernet interface, the power interface, the whole vehicle communication interface and the camera interface are connected with external equipment.

Further, the vehicle body control module comprises a micro control chip, an Ethernet communication chip, a power chip, a vehicle-mounted network communication chip, a vehicle power and gesture driving chip, an Ethernet interface, a power interface, a vehicle communication interface and a power and gesture control interface which are connected with external equipment.

Further, the automatic driving module, the intelligent cabin module, the vehicle body control module and the calculation force expansion module further comprise Debug interfaces for chip debugging respectively.

Further, the automobile body control module is connected with the automatic driving module through an FPC connector and is used for realizing communication of an Ethernet bus data format between the automobile body control module and the automatic driving module; the intelligent cabin module, the power calculation expansion module and the automatic driving module are respectively connected with each other through BTB connectors and are used for realizing communication of Ethernet bus data format and PCIE data format among the intelligent cabin module, the power calculation expansion module and the automatic driving module.

Further, the intelligent cabin cooling system further comprises a liquid cooling plate for heat dissipation, and the automatic driving module, the intelligent cabin module, the vehicle body control module and the calculation force expansion module are respectively fixed on the liquid cooling plate.

The invention also provides a vehicle comprising a central domain controller as described above.

According to the central domain controller and the vehicle, the automatic driving module, the intelligent cabin module, the vehicle body control module and the calculation force expansion module are integrated, so that the complexity of the vehicle-mounted control architecture is reduced, the harness cost and the weight of the whole vehicle are reduced, the central domain controller can adapt to different development requirements through the calculation force expansion module, and the flexibility and the expandability of the vehicle-mounted control architecture are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention 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 central domain controller system according to an embodiment of the present invention;

FIG. 2 is a hardware architecture design diagram of a central domain controller according to an embodiment of the present invention;

FIG. 3 is a diagram showing a design of connection distribution of a liquid cooling plate and a PCB in an internal structure of a central domain controller according to an embodiment of the present invention;

fig. 4a, fig. 4b, fig. 4c, fig. 4d, and fig. 4e are a front view, an axial view, a side view, a left side view, and a right side view, respectively, of the overall structure of the central domain controller according to an embodiment of the present invention.

Detailed Description

The foregoing and other features, aspects, and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments, which proceeds with reference to the accompanying drawings. While the invention may be susceptible to further details of technical means and effects for achieving the desired purpose, there is shown in the drawings a form a further part hereof, and in which is shown by way of illustration and not by way of limitation, certain well-known elements of the invention. Like elements are denoted by like reference numerals throughout the various figures. For clarity, the various features of the drawings are not drawn to scale.

Referring to fig. 1, fig. 1 is a schematic diagram of a system architecture of a domain controller according to an embodiment of the invention; the central domain controller provided by the invention comprises an automatic driving module 110, an intelligent cabin module 120, a vehicle body control module 130 and a calculation force expansion module 140, wherein the intelligent cabin module 120, the vehicle body control module 130 and the calculation force expansion module 140 are all connected with the automatic driving module 110, and the intelligent cabin module 120 is also connected with the calculation force expansion module 140.

The autopilot module 110 is connected with a sensor system, a vehicle-mounted network system, a display system, an antenna system and a power supply system of the vehicle, and is used for realizing the perception, planning, decision and execution of autopilot, for example, acquired information is subjected to operation processing through a camera, a radar and other perception sensors so as to realize basic autopilot functions; the intelligent cabin module 120 is connected with a vehicle-mounted network system, a display system, an audio system, a power supply system and an antenna system of the vehicle, and is used for realizing various intelligent services provided by the intelligent cabin, such as providing various entertainment services of music, video, games, social interaction and the like through technical means of multimedia, internet, voice interaction and the like; the vehicle body control module 130 is connected with a vehicle-mounted network system, a power supply system and a vehicle body control system of the vehicle, and is used for controlling the running gesture of the vehicle body and various functional devices of the vehicle body, such as the power and steering of the whole vehicle, the lighting equipment of the vehicle and the doors and windows of the vehicle; the computing power expansion module 140 is connected with a sensor system, an on-board network system and a power supply system of the vehicle, and is used for expanding the computing capacity of the central domain controller and realizing the sharing of information data, computing power and other resources of other modules of the vehicle.

In this embodiment, the computing force expansion module 140 is also used to expand the functions of the autopilot module 110, including autopilot functions that may be completely disengaged from the driver's operation. In the prior art, automatic driving is generally classified into 0 to 5 levels, L2 levels and below, and in the automatic driving from L0 level to L2 levels, tasks of monitoring road conditions and reacting are completed by a driver and a system together, and the driver is required to take over dynamic driving tasks such as lane keeping, lane centering, steering, lane changing and the like; the level L3 and above level L3 are high-level automatic driving, the level L3 is conditional automatic driving, the driving automation system continuously executes all dynamic driving tasks in the designed running conditions, and a dynamic driving task takeover user can execute dynamic driving task takeover in a proper mode. The driving automation system of the L4-level high-automatic driving and the L5-level full-automatic driving can continuously execute all dynamic driving tasks and execute dynamic driving task takeover in the design running conditions. When the system sends out a take-over request, if the passenger does not respond, the system has the capability of automatically reaching the minimum risk state. In L4 and L5 level autopilot, the driver is fully turned into the role of the passenger and the vehicle may not even be equipped with a driver's seat. The existing automatic driving technology of the vehicle can reach the level L3, but for different vehicle type configuration requirements and different cost intervals, different levels of automatic driving functions are often configured, and in order to adapt to different configuration requirements, in this embodiment, the calculation force expansion module 140 is used for calculation force expansion and resource configuration, so that the central domain controller can adapt to the configuration requirements of higher levels of automatic driving functions.

In this embodiment, the body control module 130 is connected to the autopilot module 110 through an FPC connector, so as to implement communication in an ethernet bus data format between the body control module 130 and the autopilot module 110; the intelligent cabin module 120, the power calculation expansion module 140 and the autopilot module 110 are respectively connected with each other through BTB connectors, and are used for realizing communication of an ethernet bus data format and a PCIE data format among the intelligent cabin module 120, the power calculation expansion module 140 and the autopilot module 110.

Referring to fig. 2, fig. 2 is a hardware architecture design diagram of a domain controller according to an embodiment of the invention. The autopilot module 110 includes a micro control chip 111 (MCU) for implementing functions of power management and communication control of the respective units, a minimum system 112 including a high-power System On Chip (SOC), ROM and RAM memory chips, an ethernet communication chip 113 for implementing high-speed ethernet communication, such as a SWITCH chip, a PHY chip, a power chip 114, an on-vehicle network communication chip 115, such as a CAN chip, an ultrasonic radar signal transmission chip 116, a satellite navigation positioning chip 117, such as a GNSS, and a DeSerializer 118 (DeSerializer) and a Serializer 119 (Serializer) for image access and display; autopilot module 110 also includes an ethernet interface, a power interface, a vehicle communication interface, an ultrasonic radar signal transmission interface, an antenna interface, a camera interface, and an image display interface that are connected to external devices.

In this embodiment, the intelligent cockpit module 120 includes a micro control chip 121 (MCU), a minimum system 122 including a high-power System On Chip (SOC), ROM and RAM memory chips, an ethernet communication chip 123 (SWITCH, PHY), a power chip 124, a vehicle network communication chip 125 (CAN), a wireless network communication chip 126 (WIFI), a digital audio transceiver 127 (e.g., A2B), and a Serializer 128 (Serializer) for image display; the intelligent cockpit module 120 further includes an ethernet interface, a power interface, a vehicle communication interface, a wireless communication interface, an audio interface, and an image display interface, which are connected to external devices.

In the present embodiment, the body control module 130 includes a micro control chip 131 (MCU), an ethernet communication chip 132 (SWITCH, PHY), a power chip 133, an on-board network communication chip 134 (CAN, LIN, flexRay), and an overall vehicle power and attitude driving chip 135 (LSD, HSD), and the body control module 130 further includes an ethernet interface, a power interface, an overall vehicle communication interface, and a power and attitude control interface connected to external devices.

In this embodiment, the power expansion module 140 includes a redundant micro control chip 141 (MCU), a minimum system 142 including a high power System On Chip (SOC), a ROM and RAM memory chips, an ethernet communication chip 143 (SWITCH), a power chip 144, a vehicle network communication chip 145 (CAN, LIN, flexRay), and a DeSerializer 146 (deseriaizer) for image access, and when the high-level autopilot function expansion is required, the power expansion module 140 provides additional configuration resources for the autopilot module 110, and the power expansion module 140 further includes a redundant ethernet interface, a power interface, a whole vehicle communication interface, and a camera interface, through the redundancy configuration, the safety redundancy function of the central domain controller can be further improved.

In the present embodiment, the autopilot module 110, the intelligent cockpit module 120, the body control module 130, and the computing expansion module 140 further include Debug interfaces for chip debugging, respectively.

It should be noted that the chip types and the number of the chips, the external interface types and the number of the interfaces of the above modules can be flexibly configured according to actual functional requirements, and the present invention is not limited herein.

Referring to fig. 3, fig. 3 is a connection distribution design diagram of a liquid cooling plate and a PCB in an internal structure of a central domain controller according to an embodiment of the present invention; in this embodiment, the central domain controller further includes a liquid cooling plate 150 for heat dissipation, the autopilot module 110, the intelligent cabin module 120, the body control module 130 and the calculation force expansion module 140 correspond to different PCB boards respectively, and after four modules are connected through BTB connectors and FPC connectors, the four modules are reasonably arranged at two sides of the liquid cooling plate 150 and fixed on the liquid cooling plate 150 and the shell through screws, so that not only is the data interaction requirement of each module satisfied, but also the minimum system chip of the SOC inside each module and other key chips can be clung to the liquid cooling plate 150, and the heat dissipation requirement of each chip is satisfied. As shown in fig. 4a, fig. 4b, fig. 4c, fig. 4d and fig. 4e, the front view, the axial view, the side view, the left view and the right view of the whole structure of the central domain controller are shown, the arrangement of the connector interfaces and the liquid cooling interfaces of the central domain controller connected with the external device in this embodiment is a short-side outlet design mode, and the positions of the internal modules and the external interfaces can be flexibly configured according to the whole vehicle space requirement, and it is required to be noted that the positions of the liquid cooling interfaces need to avoid the connector interfaces connected with the external device, so that other connector failures caused by leakage of the liquid cooling interfaces are avoided.

In summary, according to the central domain controller and the vehicle provided by the invention, the automatic driving module, the intelligent cabin module, the vehicle body control module and the calculation expansion module are integrated together, so that the complexity of wiring between the vehicle-mounted control architecture and each module is reduced, the harness cost and the weight of the whole vehicle are reduced, the central domain controller can adapt to different development requirements through the calculation expansion module, and the flexibility and the expandability of the vehicle-mounted control architecture are improved.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like 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. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context. The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention.

Claims

1. The central domain controller is characterized by comprising an automatic driving module, an intelligent cabin module, a vehicle body control module and a calculation force expansion module, wherein the intelligent cabin module, the vehicle body control module and the calculation force expansion module are all connected with the automatic driving module, and the intelligent cabin module is also connected with the calculation force expansion module;

2. The central domain controller of claim 1, wherein the computing power expansion module is further configured to expand functions of the autopilot module, including autopilot functions that may be completely disengaged from driver operation.

3. The central domain controller of claim 1, wherein the autopilot module comprises a micro control chip, a system on chip, an ethernet communication chip, a power chip, an on-board network communication chip, an ultrasonic radar signal transmission chip, a satellite navigation positioning chip, and a deserializer and serializer for image access and display, and further comprises an ethernet interface, a power interface, a whole vehicle communication interface, an ultrasonic radar signal transmission interface, an antenna interface, a camera interface, and an image display interface connected to external devices.

4. The central domain controller of claim 3, wherein the intelligent cockpit module comprises a micro control chip, a system-on-chip, an ethernet communication chip, a power chip, an on-board network communication chip, a wireless network communication chip, a digital audio transceiver, and a serializer for image display, and further comprises an ethernet interface, a power interface, a whole car communication interface, a wireless communication interface, an audio interface, and an image display interface connected to an external device.

5. The central domain controller of claim 4, wherein the computing power expansion module comprises a micro control chip, a system-on-chip, an ethernet communication chip, a power chip, a vehicle network communication chip, and a deserializer for image access, and further comprises an ethernet interface, a power interface, a vehicle communication interface, and a camera interface connected to an external device.

6. The central domain controller of claim 5, wherein the body control module comprises a micro control chip, an ethernet communication chip, a power chip, a vehicle network communication chip, and a vehicle power and attitude driving chip, and further comprises an ethernet interface, a power interface, a vehicle communication interface, and a power and attitude control interface connected to external devices.

7. The central domain controller of claim 6, wherein the autopilot module, the intelligent cockpit module, the body control module, and the computing power extension module further comprise a Debug interface for chip Debug, respectively.

8. The central domain controller of claim 1, wherein the body control module is connected to the autopilot module through an FPC connector for enabling communication in an ethernet bus data format between the body control module and the autopilot module; the intelligent cabin module, the power calculation expansion module and the automatic driving module are respectively connected with each other through BTB connectors and are used for realizing communication of Ethernet bus data format and PCIE data format among the intelligent cabin module, the power calculation expansion module and the automatic driving module.

9. The central domain controller of claim 1, further comprising a liquid cooling plate for heat dissipation, wherein the autopilot module, the intelligent cockpit module, the body control module, and the computing power expansion module are each secured to the liquid cooling plate.

10. A vehicle comprising a central domain controller according to any one of claims 1-9.