CN218570302U - Camera sharing system based on regional controller and vehicle - Google Patents
Camera sharing system based on regional controller and vehicle Download PDFInfo
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- CN218570302U CN218570302U CN202222696365.5U CN202222696365U CN218570302U CN 218570302 U CN218570302 U CN 218570302U CN 202222696365 U CN202222696365 U CN 202222696365U CN 218570302 U CN218570302 U CN 218570302U
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Abstract
The utility model discloses a camera sharing system and vehicle based on zone controller, including central computing platform and a plurality of zone controller, different zone controller is used for controlling the equipment of vehicle different regions respectively or realizes different functions, and each zone controller is located the position on the vehicle is different; each zone controller is connected with at least one camera adjacent to the zone controller; each zone controller receives video data transmitted by the cameras connected with the zone controller, and the video data are transmitted to the central computing platform through the Ethernet switch after data conversion, and the central computing platform realizes sharing of the video data transmitted by different cameras based on a data distribution service DDS. The utility model discloses can utilize the DDS agreement to realize the sharing of camera video data.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a camera shared system and vehicle based on area controller.
Background
With the rapid development of intelligent automobiles, the functions of the automobiles are increasingly complex, and if a traditional distributed electronic and electrical architecture is adopted, dozens or even hundreds of controllers are needed to realize different functions. In this context, the next generation EEA (Electrical/Electronic Architecture) has a solution of computing the local controller in the central planning of each host factory. The central computing platform adopts a high computing power chip, integrates the functions of the whole vehicle and the controller, improves the software iteration speed and reduces the cost of the controller; the regional controller is connected with the local power distribution and the I/O, so that the cost and the weight of the whole vehicle wiring harness are reduced. However, the I/O access scheme of the area controller is to access common sensors and actuators to the ZCU nearby, and for video data of the camera, a scheme of directly connecting to a central computing platform is still adopted, so that a real and complete area integration scheme cannot be realized. As shown in fig. 1, the cameras located at the front, rear, left, and right sides of the vehicle need to access the central computing platform through long data lines.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a camera shared system and vehicle based on zone control ware can realize that the camera inserts zone control ware nearby, reduces pencil length, weight and cost.
The utility model discloses a first aspect provides a camera shared system based on regional controller, including central computing platform and a plurality of regional controller, different regional controller is used for controlling the equipment of vehicle different regions respectively or realizes different functions, and every the position that regional controller is located on the vehicle is different;
each zone controller is connected with at least one camera adjacent to the zone controller; each regional controller receives video data transmitted by a camera connected with the regional controller, the video data are transmitted to the central computing platform through the Ethernet switch after data conversion, and the central computing platform realizes sharing of the video data transmitted by different cameras based on a data distribution service DDS.
In an optional embodiment, the zone controller includes a microprocessor, a video decoder, and a data converter, wherein the microprocessor is directly connected to the ethernet switch, an output of the video decoder is connected to the data converter, the data converter is connected to the ethernet switch, and an input of the video decoder is connected to the at least one camera.
In an optional embodiment, the at least one camera is connected to the video decoder through a low voltage differential signal interface, and the video decoder decodes the low voltage differential signal into the CSI signal.
In an alternative embodiment, the data converter converts the CSI signal into a 2.5G, 5G, or 10G ethernet signal for transmission and sharing on a vehicle ethernet backbone by a central computing platform.
In an alternative embodiment, the central computing platform includes a GPU processor and a video encoder, the GPU processor is coupled to the video encoder, and the GPU processor is coupled to the ethernet switch.
In an optional embodiment, the central computing platform further comprises an ethernet PHY port, the ethernet switch being connected to the ethernet PHY port.
In an optional embodiment, the camera sharing system based on a zone controller further includes a display screen, and the display screen is connected to the video encoder.
In an alternative embodiment, the GPU processor processes video data using a graphics processing program and outputs a DP signal to the video encoder, and the video encoder converts the DP signal into a low voltage differential signal and pushes the low voltage differential signal to the display screen.
In an optional embodiment, the plurality of zone controllers comprises at least: a front zone controller, a left zone controller, a right zone controller, a rear zone controller.
The utility model discloses a second aspect provides a vehicle, a serial communication port, include: automobile body, and locate in the automobile body the utility model discloses the first aspect camera shared system based on area controller.
The utility model provides a through dispose the zone controller in the different regions of vehicle, then connect the camera in every region to the zone controller that corresponds, realize that the camera inserts the zone controller nearby, reduced pencil length, weight and cost; data interaction is carried out between the Ethernet switch and the central computing platform, and video data sharing of the camera can be achieved by means of a DDS protocol.
Drawings
FIG. 1 is a schematic block diagram of a prior art camera directly connected to a central computing platform;
fig. 2 is a schematic diagram of a camera connection area controller according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a camera sharing system based on a zone controller in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another camera sharing system based on a zone controller according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
It is to be understood that, although the terms "first", "second", etc. are used in the description of the present invention to describe various elements or conditions, these elements or conditions should not be limited by these terms. These terms are used merely to distinguish one from another. For example, a first cell may be referred to as a second cell, and similarly a second cell may be referred to as a first cell, with the first and second conditions being distinguished as before, without departing from the scope of the exemplary embodiments. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, it should be noted that, unless otherwise explicitly stated or limited in the description of the present invention, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
A smart vehicle refers to a vehicle configured to have an autonomous driving mode in which the vehicle navigates driving with little or no driver intervention. The vehicle has a sensing system of one or more sensors configured to detect information about the environment in which the vehicle is driven. The vehicle and its associated controller(s) use the detected information to navigate the drive. The vehicle may also complete autonomous driving or assisted driving in a manual mode, a fully autonomous mode, or a partially autonomous mode.
The central computing platform, as a central control component of the vehicle, may execute various control systems of the vehicle. Vehicles include, but are not limited to, sensing systems, vehicle control systems, wireless communication systems, user interface systems, and sensor systems. The vehicle also includes certain common components of the vehicle, such as an engine, a braking system, a chassis, a transmission, a power battery, etc., which may be utilized by a vehicle control system and/or a sensing system to control vehicle travel, such as signaling to accelerate, decelerate, steer, change lane, etc., using a variety of communication signals and/or commands.
Wherein the perception system includes the necessary hardware (e.g., processors, memory, storage devices) and software (e.g., operating systems, routines) to receive information from the sensor system, the control system, the wireless communication system, and/or the user interface system, process the received information, plan driving routes, emergency avoidance, overtaking, lane changing, etc., and then travel based on the planned and controlled information. The main data of the sensing system is from the camera and other sensors, such as radar sensors. The camera is a vehicle eye, and is very important, and the sharing of data thereof is becoming more important with the development of vehicles.
As shown in fig. 2, the utility model provides a camera sharing system based on zone controller, including a plurality of zone controllers and a central computing platform. The different zone controllers are respectively used for controlling equipment in different zones of the vehicle or realizing different functions, and the position of each zone controller on the vehicle is different.
The zone controllers in the vehicle include at least a front zone controller, a left zone controller, a right zone controller, and a rear zone controller. Illustratively, these zone controllers are divided according to zones or functional domains, such as controllers of a cockpit domain, a smart drive domain, a body domain, a power chassis domain, and the like. Central computing platform or CCP: the Central Computing Platform comprises a plurality of high-Computing-power chips, and integrates the functions and control of the whole vehicle.
Along with the development of intelligent automobile, the camera on the vehicle is also more and more, and the camera that shows in fig. 2 includes leading camera, rear camera, the camera that sets up on the rear-view mirror about, on-vehicle camera (the camera in the car), the camera on the B post, can also include the camera that other positions set up certainly, for example the camera that the seat rear set up etc..
With continued reference to fig. 2, each of the zone controllers is connected to at least one camera adjacent to the zone controller. For example, the front zone controller is connected to the front camera, the rear camera is connected to the rear zone controller, the left zone controller is connected to the plurality of cameras in the left zone of the vehicle, and the right zone controller is similarly connected to the plurality of cameras in the right zone. The camera is connected to the area controller nearby, so that the length of the connected wiring harness can be reduced, the number of the controllers is reduced, and the weight and the cost of a vehicle body are reduced.
As shown in fig. 2 and fig. 3, each of the zone controllers receives video data transmitted by a camera connected thereto. And a microprocessor, a video decoder and a data converter are integrated in each zone controller. The microprocessor is directly connected with the Ethernet switch, the output end of the video decoder is connected with the data converter, the data converter is connected with the Ethernet switch, and the input end of the video decoder is connected with the at least one camera.
The Camera is connected with the video decoder through a Low Voltage Differential Signaling (LVDS) Interface, and video data is input to the video decoder, and the video decoder decodes the Low Voltage Differential signal into a CSI (Camera Serial Interface, high speed Serial Interface between the processor and the Camera module) signal and transmits the CSI signal to the data converter. The data converter converts the CSI signal into a 2.5G, 5G or 10G Ethernet signal for transmission and sharing on the vehicle Ethernet backbone by the central computing platform. And transmitting the video data of the camera to the central computing platform through the Ethernet switch after data conversion. The central computing platform realizes the sharing of video data transmitted by different cameras based on a data distribution service DDS. The DDS (Data Distribution Service for Real-Time Systems) is a Data Distribution Service oriented to a Real-Time system, belongs to a Data Distribution protocol, is a mature software technology in the prior art, and does not need to be creatively improved and used. It should be understood that the data conversion and data transmission are the functions of the corresponding components, and are not improved in software.
Further, the central computing platform comprises a GPU processor and a video encoder, the GPU processor is connected with the video encoder, and the GPU processor is connected with the ethernet switch. As shown in fig. 3, the central computing platform further includes an ethernet PHY port, and the zone controller is connected to the ethernet PHY port, specifically, connected to the ethernet PHY port by the ethernet switch.
The GPU processor processes video data using a graphic processing program and outputs the processed video data to the video encoder in the form of a DP signal (i.e., one of field buses for high-speed data transmission of a field layer), the video encoder converts the DP signal into a low-voltage differential signal to a display screen, and the display screen is used to display video data photographed by a camera, and specifically, which camera's video data is to be displayed, is controlled by the central computing platform.
The utility model provides a new camera arrange scheme, be connected to different zone control with the camera dispersion, handle video data by zone control, then hand over and realize transmitting on-vehicle communication backbone by the ethernet switch, the integrated multiple function control of central computing platform and multiple computing power can utilize the DDS agreement to realize the video data's of a plurality of cameras sharing.
Fig. 4 is another embodiment of the present invention, in which the ethernet switch is located differently from that in fig. 3, the ethernet switch is integrated into the shown area controller in the embodiment in fig. 3, the ethernet switch shown in fig. 4 is a stand-alone ethernet switch, each area controller directly accesses the ethernet switch through the ethernet backbone inside the vehicle, and each area controller then performs data interaction with the central computing platform through the ethernet switch. By adopting the method, the number of Ethernet switches of each area controller can be reduced, and the central computing platform directly obtains the video data of the camera acquired by each area controller in the Ethernet switches.
The utility model also provides a vehicle, include: the camera sharing system comprises a vehicle body and a camera sharing system which is arranged in the vehicle body and based on a zone controller. The camera sharing system based on the zone controllers comprises a central computing platform and a plurality of zone controllers, wherein different zone controllers are respectively used for controlling equipment in different zones of the vehicle or realizing different functions, and the positions of the zone controllers on the vehicle are different; each zone controller is connected with at least one camera adjacent to the zone controller; each regional controller receives video data transmitted by a camera connected with the regional controller, the video data are transmitted to the central computing platform through the Ethernet switch after data conversion, and the central computing platform realizes sharing of the video data transmitted by different cameras based on a data distribution service DDS.
The area controller comprises a microprocessor, a video decoder and a data converter, wherein the microprocessor is directly connected with the Ethernet switch, the output end of the video decoder is connected with the data converter, the data converter is connected with the Ethernet switch, and the input end of the video decoder is connected with the at least one camera. The at least one camera is connected with the video decoder through a low-voltage differential signal interface, and the video decoder decodes the low-voltage differential signal into a CSI signal.
The data converter converts the CSI signal into 2.5G, 5G or 10G Ethernet signal, so that the central computing platform can transmit and share the Ethernet signal on the vehicle-mounted Ethernet backbone network. The central computing platform comprises a GPU processor and a video encoder, the GPU processor is connected with the video encoder, and the GPU processor is connected with the Ethernet switch. And the GPU processor processes video data by using a graphic processing program and outputs a DP signal to the video encoder, and the video encoder converts the DP signal into a low-voltage differential signal and pushes the low-voltage differential signal to the display screen.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A camera sharing system based on zone controllers is characterized by comprising a central computing platform and a plurality of zone controllers, wherein different zone controllers are respectively used for controlling equipment in different zones of a vehicle or realizing different functions, and the position of each zone controller on the vehicle is different;
each zone controller is connected with at least one camera adjacent to the zone controller; each zone controller receives video data transmitted by the cameras connected with the zone controller, and the video data are transmitted to the central computing platform through the Ethernet switch after data conversion, and the central computing platform realizes sharing of the video data transmitted by different cameras based on a data distribution service DDS.
2. The zone controller based camera sharing system according to claim 1, wherein the zone controller comprises a microprocessor, a video decoder and a data converter, wherein the microprocessor is directly connected to the ethernet switch, an output terminal of the video decoder is connected to the data converter, the data converter is connected to the ethernet switch, and an input terminal of the video decoder is connected to the at least one camera.
3. The zone controller based camera sharing system according to claim 2, wherein the at least one camera is connected to the video decoder through a low voltage differential signaling interface, and the video decoder decodes the low voltage differential signaling into the CSI signaling.
4. The zone controller-based camera sharing system of claim 3, wherein the data converter converts the CSI signal into a 2.5G, 5G or 10G Ethernet signal for transmission and sharing on an on-board Ethernet backbone by a central computing platform.
5. The zone controller based camera sharing system of claim 1, wherein the central computing platform comprises a GPU processor and a video encoder, the GPU processor being connected to the ethernet switch.
6. The zone controller based camera sharing system of claim 5, wherein the central computing platform further comprises an ethernet PHY port, the ethernet switch being connected to the ethernet PHY port.
7. The zone controller based camera sharing system according to claim 5 or 6, further comprising a display screen, wherein the display screen is connected with the video encoder.
8. The zone controller-based camera sharing system of claim 7, wherein the GPU processor processes video data using a graphics processing program and outputs a DP signal to the video encoder, and the video encoder converts the DP signal into a low voltage differential signal and pushes the low voltage differential signal to the display screen.
9. The zone controller-based camera sharing system according to claim 1, wherein the plurality of zone controllers includes at least: a front zone controller, a left zone controller, a right zone controller, a rear zone controller.
10. A vehicle, characterized by comprising: the vehicle body and the camera sharing system based on the regional controller, which is arranged in the vehicle body, of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222696365.5U CN218570302U (en) | 2022-10-13 | 2022-10-13 | Camera sharing system based on regional controller and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222696365.5U CN218570302U (en) | 2022-10-13 | 2022-10-13 | Camera sharing system based on regional controller and vehicle |
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| CN218570302U true CN218570302U (en) | 2023-03-03 |
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| CN202222696365.5U Active CN218570302U (en) | 2022-10-13 | 2022-10-13 | Camera sharing system based on regional controller and vehicle |
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- 2022-10-13 CN CN202222696365.5U patent/CN218570302U/en active Active
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