CN219619046U - Vehicle domain controller and vehicle - Google Patents

Abstract

The utility model provides a vehicle domain controller and a vehicle, and relates to the field of cabin driving fusion, wherein the vehicle domain controller comprises a main board, a core board and a plurality of external sensors arranged on the vehicle, the main board comprises a cabin system-level chip and a micro-control chip, and the external sensors comprise an ultrasonic sensor unit and a camera unit; the cabin system-level chip is used for being connected with the camera unit, the core board and the micro-control chip respectively; the micro control chip is respectively connected with the ultrasonic sensor unit and the core board. The utility model not only can simplify the electronic and electric architecture of the current vehicle, so that the vehicle is more integrated, digitalized and intelligent, but also can reduce the production cost of the controller.

Description

Vehicle domain controller and vehicle

Technical Field

The utility model relates to the field of cabin driving fusion, in particular to a vehicle domain controller and a vehicle.

Background

With the increasing complexity of whole vehicle electronics, traditional distributed architecture has failed to meet the increasing computing demands, and has also led to lengthy wiring harnesses. Intelligent automotive electronics and electrical architecture is moving from distributed to centralized, currently in the early stage of domain controller DCU (Drive Control Unit) development. The bosch classical five-domain classification is used for dividing the whole vehicle into a cabin domain (entertainment information), an intelligent driving domain (auxiliary driving), a chassis domain (vehicle movement), a power domain (safety) and a vehicle body domain (vehicle body electronics), wherein the intelligent driving domain mainly comprises ADAS (Advanced Driving Assistance System) auxiliary driving at the present stage and can be divided into low-speed ADAS (APA parking) and high-speed ADAS (driving).

The current cabin domain controller has very high carrying rate, the carrying rate of APA (automatic parking assistance system) in the intelligent driving domain is increased year by year, the cabin domain controller and the APA parking domain controller in the current market are mutually independent, and the problems that an interactive link between the cabin domain controller and the APA parking domain controller is complex and the material cost and the research and development cost of products are high exist.

Disclosure of Invention

The utility model aims to provide a vehicle domain controller and a vehicle, which can simplify the electronic and electric architecture of the current vehicle and reduce the research and development cost of the controller.

The utility model provides a technical scheme that:

in a first aspect, the present utility model provides a vehicle domain controller, the vehicle domain controller including a main board, a core board, and a plurality of external sensors disposed on the vehicle, the main board including a cabin system-in-chip and a micro-control chip, the plurality of external sensors including an ultrasonic sensor unit and a camera unit;

the cabin system-level chip is used for being connected with the camera unit, the core board and the micro-control chip respectively; the micro control chip is respectively connected with the ultrasonic sensor unit and the core board.

In an alternative embodiment, the core board comprises one AI chip, which is connected to the cabin system on chip and the micro control chip, respectively.

In an alternative embodiment, the motherboard further comprises a digital signal processor;

the digital signal processor is connected with the cabin system-in-chip and is used for processing the audio signals of the cabin system-in-chip.

In an alternative embodiment, the main board further comprises a deserializer, and the deserializer is respectively connected with the cabin system-in-chip, the camera unit and the core board;

the deserializer is used for deserializing the image information acquired by the camera unit, and sending the image information after deserializing to the cabin system-in-chip and the core board respectively.

In an alternative embodiment, the motherboard further comprises at least one cabin storage unit, each of which is connected to the cabin system on chip.

In an alternative embodiment, the camera unit comprises a plurality of looking-around cameras, each of which is connected to the cabin system on chip.

In an alternative embodiment, the ultrasonic sensor unit includes a plurality of ultrasonic sensors;

each ultrasonic sensor is connected with the micro-control chip and sends corresponding detection signals to the micro-control chip.

In an alternative embodiment, the motherboard further comprises a serializer, and the system-on-chip is connected with the display module of the vehicle through the serializer.

In an alternative embodiment, the micro-control chip is integrated with a CAN FD circuit, through which it interacts with the electronic control unit of the vehicle.

In a second aspect, the present utility model provides a vehicle having the vehicle domain controller provided thereon.

The vehicle domain controller and the vehicle provided by the utility model have the beneficial effects that:

the vehicle domain controller comprises a main board, a core board and a plurality of external sensors arranged on a vehicle, wherein the main board comprises a cabin system-level chip and a micro-control chip, and the external sensors comprise an ultrasonic sensor unit and a camera unit; the cabin system-level chip is used for being connected with the camera unit, the core board and the micro-control chip respectively; the micro control chip is respectively connected with the ultrasonic sensor unit and the core board. The utility model not only can simplify the electronic and electric architecture of the current vehicle, so that the vehicle is more integrated, digitalized and intelligent, but also can reduce the production cost of the controller.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model 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 first schematic structural diagram of a vehicle domain controller according to an embodiment of the present utility model;

fig. 2 is a second schematic structural diagram of a vehicle domain controller according to an embodiment of the present utility model;

fig. 3 is a third schematic structural diagram of a vehicle domain controller according to an embodiment of the present utility model;

fig. 4 is a fourth schematic structural diagram of a vehicle domain controller according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a fifth configuration of a vehicle domain controller according to an embodiment of the present utility model.

Icon:

100-a vehicle domain controller; 110-a motherboard; 120-core plate; 111-cabin system on chip; 112-a micro-control chip; 113-deserializer; 114-a digital signal processor; 115-cabin storage unit; 116-serializer; 210-an ultrasonic sensor unit; 211-an ultrasonic sensor; 220-a camera unit; 221-looking around the camera; 121-intelligent driving system level chip; 122-intelligent driving storage unit; 300-display module.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the inventive product is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," 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 present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" 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.

The cabin domain and the intelligent driving domain in the prior art are two controllers respectively, the two controllers communicate through corresponding interfaces, and at least one system-on-chip and one micro-control chip 112 exist in one controller.

In order to optimize the whole bus architecture, share the hardware resources of the cabin domain, and break through the application scene of cabin and parking, the utility model provides a vehicle domain controller 100, which can be strategically compatible with the APA parking function to realize inter-domain communication and domain integration, thereby reducing the production cost of vehicles.

Examples

Referring to fig. 1, the present embodiment provides a vehicle domain controller 100, where the vehicle domain controller 100 provided in the present embodiment includes a main board 110, a core board 120, and a plurality of external sensors disposed outside the vehicle. The main board 110 includes a cabin System-on-Chip 111 and a micro-control Chip 112, the cabin System-on-Chip 111 is a SoC Chip (System on Chip), the micro-control Chip 112 is an MCU (Microcontroller Unit, micro-control unit), and the plurality of external sensors include, but are not limited to, an ultrasonic sensor unit 210 and a camera unit 220.

It will be appreciated that the vehicle domain controller 100 mainly includes two PCBA (Printed Circuit Board Assembly) boards, namely a main board 110 and a core board 120, and that the cabin system-level chip 111 in the main board 110 is mainly used to implement cabin functions of a vehicle, such as functions of a vehicle-mounted infotainment system, a meter, rear seat entertainment, a HUD (Head Up Display), voice, online music, bluetooth phone, mobile phone interconnection, mobile phone navigation, and the like, and the micro-control chip 112 in the main board 110 is mainly used to implement algorithms and controls, such as a deployment path planning algorithm, lateral and longitudinal control of the vehicle, and alarm and fault handling, and the like.

The core board 120 includes an intelligent driving system-in-chip 121, where the intelligent driving system-in-chip 121 is an SoC chip, and the SoC chip may be an AI (artificial intelligence) chip, also called an AI accelerator, that is, a module dedicated to processing a large amount of computing tasks in artificial intelligence applications, and the AI chip is connected to the cabin system-in-chip 111 and the micro-control chip 112, respectively, for receiving image information, that is, video stream data, transmitted by the intelligent driving system-in-chip 121 of the main board 110, and is communicatively interfaced with the micro-control chip 112 of the main board 110. The core board 120 is mainly used for realizing functions of parking vehicles, such as voice recognition, detection improvement, parking sensing and the like. In other words, when the function of the cabin domain or the intelligent driving domain needs to be set, the computing power of the main board 110 and the core board 120 is allocated according to the function, so that the hardware resources and the external sensors can be more reasonably allocated, the heterogeneous advantages of multiple cores and the AI chip are fully utilized, and the computing power, the bandwidth and the security are improved.

In the present utility model, the cabin system on chip 111 is connected to the camera unit 220, the core board 120, and the micro control chip 112, respectively; the micro control chip 112 is connected to the ultrasonic sensor unit 210 and the core board 120, respectively. The camera unit 220 is used for acquiring image information around the vehicle, and the ultrasonic sensor unit 210 is used for acquiring corresponding detection signals. The cockpit system level chip 111 will receive the image information and process the image information to obtain display data. In addition, the core board 120 will receive the image information and use the image information as a camera sensing input of the APA parking, and the intelligent driving system level chip 121 may be embedded with a parking sensing algorithm for realizing parking space detection, image OD processing, and the like.

It can be understood that the cabin system-in-chip 111 and the micro-control chip 112 will respectively set interfaces such as GPIO (input/output), reset in (reset input) and SPI2 (serial peripheral interface 2) to realize connection between chips, and the cabin system-in-chip 111 of the motherboard 110 will also introduce a time division multiplexing service mechanism to realize scene switching between the cabin and parking.

In one embodiment, the camera unit 220 includes a plurality of cameras, such as a plurality of looking-around cameras 221, as input to a panoramic surveillance imaging system (Around View Monitor, AVM) of the vehicle, and each of the looking-around cameras 221 is connected to the cabin system on chip 111, for example, the number of looking-around cameras 221 is four, six, eight, or the like. As shown in fig. 2, when the number is four, four looking-around cameras 221 are connected to the cabin system level chip 111, and the four looking-around cameras 221 may be a rear looking-around camera disposed at the rear side of the vehicle body, a right looking-around camera disposed at the right side, a left looking-around camera disposed at the left side, a front looking-around camera disposed at the front side, and the like, respectively.

Motherboard 110 also includes a Deserializer 113 that is connected to cockpit system on chip 111, camera unit 220, and core board 120, respectively. After the camera unit 220 collects the corresponding image information, the image information, that is, the video stream data, is transmitted to the main board 110, the received image information is deserialized by the deserializer of the main board 110, and the deserialized image information is transmitted to the cabin system level chip 111 and the intelligent driving system level chip 121 of the core board 120, respectively.

The cabin system-in-chip 111 receives the deserialized image information, and performs distortion correction, panorama stitching and rendering on the image information to obtain corresponding display data, namely, form a panoramic image around the object.

The main board 110 further comprises a digital signal processor 114, which digital signal processor 114 is a digital signal processor (DSP, digital Signal Processor), which digital signal processor 114 is connected to said cabin system on chip 111, which digital signal processor 114 is arranged to process audio signals received in the cabin system on chip 111.

In one embodiment, as shown in fig. 3, the camera unit 220 may also be connected to the core board 120, where the camera unit 220 recognizes the received image information when connected to the core board 120 through the deserializer, and transmits the recognized image information to the cabin system level chip 111 of the main board 110 through an internal signal.

In one embodiment, as shown in fig. 4, the main board 110 further includes at least one cabin storage unit 115, and each cabin storage unit 115 is connected to the cabin system on chip 111, and the cabin storage unit 115 stores information such as image information, music information, voice information, and display data, which are deserialized by the cabin system on chip 111.

The core board 120 further includes at least one intelligent driving storage unit 122, where each intelligent driving storage unit 122 is connected to the intelligent driving system level chip 121, and stores the image information after the core board 120 receives the deserialization, the vehicle related data sent by the micro control chip 112, and the like. The cabin storage unit 115 and the intelligent driving storage unit 122 may be memory such as eMMC (embedded MultiMediaCard, embedded multimedia controller), LPDDR4 (Low Power Double Data Rate 4), or the like.

The ultrasonic sensor unit 210 includes a plurality of ultrasonic sensors 211, and each of the ultrasonic sensors 211 is connected to the micro control chip 112 and transmits a corresponding detection signal to the micro control chip 112. For example, the number of ultrasonic sensors 211 may be twelve, fourteen, or the like. The micro-control chip 112 will receive the corresponding detection signal of each ultrasonic sensor 211, and determine the corresponding space parking space, obstacle, etc. according to the respective detection signals, and fuse the obstacle, deploy the path planning algorithm, etc., and the core board 120 will park according to the image information and the related information sent by the micro-control chip 112 according to the detection signals, etc.

In one embodiment, the micro-control chip 112 integrates a CAN FD (CAN with Flexible Data rate) circuit, which is composed of a CAN FD transceiver chip and peripheral components, which CAN be set according to the actual situation by acquiring and analyzing vehicle bus data according to a CAN FD bus protocol. The micro-control chip 112 interacts with other electronic control units of the vehicle body than the current electronic control unit (Electronic Control Unit, ECU) via CAN FD circuits.

In one embodiment, as shown in fig. 5, the main board 110 further includes a Serializer 116 (Serializer), and the system on chip is connected to the display module 300 of the vehicle through the Serializer 116. The display module 300 of the vehicle may be a central control display screen, an instrument display screen, or the like. For example, the display may display the display data of the cabin system on chip 111 processed by the serializer 116, or may receive the data to be displayed of the intelligent driving system on chip 121 through the cabin system on chip 111, process the data to be displayed, and display the processed data on the display module 300.

In one embodiment, the motherboard 110 further includes at least one power management integrated circuit (PMIC, power Management IC), each of which is connected to the micro-control chip 112. The core board 120 further includes at least one power management integrated circuit, each of which is connected to the intelligent drive system on chip 121.

In the present utility model, the domain controller may be connected to some parts of the vehicle for receiving an instruction input by a user or displaying according to a display instruction, etc., for example, the parts may be physical keys, indicator lights, etc. The domain controller may be connected to a vehicle actuator, so that the vehicle actuator is controlled according to a Control command outputted from the vehicle domain controller, and the vehicle actuator may be EPS (Electric Power Steering, electric power steering System), ESC (Electronic Stability Controller, vehicle electronic stability Control System), TCU (Transmission-Control-Unit), EPB, EMS (Engine-Management-System), etc. The domain controller may also be connected to vehicle sensors, such as SAS (car safety assistance system), ACU (Automated driving Control Unit, autopilot domain controller), EMS, BCM (body control module, body controller), ESC, EPS, etc., to calculate the position of the vehicle.

It can be understood that the cabin domain and the intelligent driving domain low-speed APA are integrated in a domain controller, so that the system supports QNX/Android/Linux/RTOS/Hypervisor/AutoSAR and other operating systems, and also supports multichannel echo cancellation, active noise reduction, voice recognition control, multipath video input/output, face recognition, driver/passenger behavior monitoring and the like. In addition, the utility model also supports multi-screen display, multi-AI scene, multi-mode interaction and multi-ecological application resource integration; and a plurality of SOC chip platforms such as high pass, NXP, horizon, TI, MTK and the like are supported, software can drive the differentiation of products, and finally, the closed loop of data driving can be realized.

On the basis of basic functions of an intelligent cabin area integrated vehicle-mounted information entertainment system, an instrument, rear seat entertainment, HUD, voice, AVM and the like, DMS, IMS, faceID, APA parking functions and the like are further integrated, and the integration level of the domain controller can be improved. The communication loop can be reduced, the communication time and the reliability are ensured, and the complexity of communication interface protocols of two scenes of a cabin and parking is reduced, so that the arrangement of hardware, a structure and a connector can be saved, and the overall cost is reduced; in the utility model, the sensor, the executor and the controller can release the provided service as an interface to different scenes, so that the decoupling of software and hardware can be realized, the software is not limited by hardware any more, and the development space is widened as much as possible.

Therefore, the utility model can not only simplify the current automobile electronic and electric architecture and further promote cabin integration, digitization and intellectualization, but also reduce the overall cost of the vehicle, thereby bringing better experience to users.

The utility model also proposes a vehicle on which the vehicle domain controller 100 of any of the embodiments described above is provided.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The vehicle domain controller is characterized by comprising a main board, a core board and a plurality of external sensors arranged on the vehicle, wherein the main board comprises a cabin system-level chip and a micro-control chip, and the external sensors comprise an ultrasonic sensor unit and a camera unit;

the cabin system-level chip is used for being connected with the camera unit, the core board and the micro-control chip respectively; the micro control chip is respectively connected with the ultrasonic sensor unit and the core board.

2. The vehicle domain controller of claim 1, wherein the core board comprises an AI chip connected to the cabin system on chip and the micro-control chip, respectively.

3. The vehicle domain controller according to claim 1, wherein the main board further comprises a digital signal processor;

the digital signal processor is connected with the cabin system-in-chip and is used for processing the audio signals of the cabin system-in-chip.

4. The vehicle domain controller of claim 1, wherein the main board further comprises a deserializer connected to the cabin system on chip, the camera unit, and the core board, respectively;

the deserializer is used for deserializing the image information acquired by the camera unit, and sending the image information after deserializing to the cabin system-in-chip and the core board respectively.

5. The vehicle domain controller of claim 1, wherein the motherboard further comprises at least one cabin storage unit, each cabin storage unit being connected to the cabin system on chip.

6. The vehicle domain controller of claim 1, wherein the camera unit comprises a plurality of look-around cameras, each of the look-around cameras being connected to the cabin system on chip.

7. The vehicle domain controller according to claim 1, characterized in that the ultrasonic sensor unit comprises a plurality of ultrasonic sensors;

each ultrasonic sensor is connected with the micro-control chip and sends corresponding detection signals to the micro-control chip.

8. The vehicle domain controller of claim 1, wherein the motherboard further comprises a serializer, the system-in-a-chip being connected to a display module of the vehicle through the serializer.

9. The vehicle domain controller according to claim 1, wherein the micro-control chip is integrated with a CAN FD circuit through which the micro-control chip interacts with an electronic control unit of the vehicle.

10. A vehicle, characterized in that the vehicle is provided with a vehicle domain controller according to any one of claims 1 to 9.