CN110391975B - Information interaction system based on vehicle-mounted Ethernet and vehicle - Google Patents

Information interaction system based on vehicle-mounted Ethernet and vehicle Download PDF

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Publication number
CN110391975B
CN110391975B CN201810360622.3A CN201810360622A CN110391975B CN 110391975 B CN110391975 B CN 110391975B CN 201810360622 A CN201810360622 A CN 201810360622A CN 110391975 B CN110391975 B CN 110391975B
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ethernet
vehicle
gateway
central control
multimedia device
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CN110391975A (en
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闫慧佳
胡朝林
姚红
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201810360622.3A priority Critical patent/CN110391975B/en
Priority to PCT/CN2019/083154 priority patent/WO2019201288A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

The invention discloses an information interaction system based on a vehicle-mounted Ethernet and a vehicle, wherein the system comprises a vehicle-mounted Ethernet gateway, a central control multimedia device and a panoramic image device, wherein the vehicle-mounted Ethernet gateway is respectively connected with the central control multimedia device and the panoramic image device and is used for carrying out data transmission between the central control multimedia device and the panoramic image device; the panoramic image equipment is provided with a first Ethernet interface and is used for sending panoramic video data to the vehicle-mounted Ethernet gateway through the first Ethernet interface; the central control multimedia device is provided with a second Ethernet interface and is used for acquiring panoramic video data from the vehicle-mounted Ethernet gateway through the second Ethernet interface and displaying the panoramic video data. The system and the vehicle of the embodiment enable data interaction between the central control multimedia device and the panoramic image device to be carried out in various forms, enrich the interaction modes between the central control multimedia device and the panoramic image device, and reduce the communication cost between the central control multimedia device and the panoramic image device.

Description

Information interaction system based on vehicle-mounted Ethernet and vehicle
Technical Field
The invention relates to the technical field of automobiles, in particular to an information interaction system based on a vehicle-mounted Ethernet and a vehicle.
Background
Along with the increase of vehicle, look over environment all around for the convenience of driving safety, guarantee driving safety, generally be provided with panoramic image equipment on the vehicle, panoramic image equipment passes through the video of camera collection surrounding environment to splice into panoramic video, and show this panoramic video on the screen of vehicle center console.
In the related art, the panoramic image device and the vehicle multimedia system are connected to transmit the spliced panoramic video through a Low-Voltage Differential Signaling (LVDS). Specifically, a panoramic main controller in the panoramic image device directly transmits a video to a conversion IC (Integrated Circuit) of the LVDS, performs parallel-to-serial conversion, and then transmits the video to a vehicle multimedia system through the LVDS, and the multimedia system completes the serial-to-parallel conversion and displays the panoramic video on a screen of a console in the vehicle.
However, in the process of implementing the present invention, the inventors found that the related art has at least the following technical problems: in the whole transmission process, the LVDS can only transmit video information with a fixed format on a physical layer, the flexibility is very low, the video cannot be processed, and picture and file information cannot be transmitted. In addition, the LVDS has a limited signal transmission distance and a large limitation, and the hardware cost for converting the IC and the wire is relatively high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide an information interaction system based on a vehicle-mounted ethernet, in which a central control multimedia device and a panoramic image device are provided with a unified ethernet interface, so that ethernet communication between the central control multimedia device and the panoramic image device is realized through a vehicle-mounted ethernet gateway. And on the other hand, the communication cost between the central control multimedia equipment and the panoramic image equipment is reduced.
A second object of the invention is to propose a vehicle.
In order to achieve the above object, an information interaction system based on a vehicle-mounted ethernet according to a first aspect of the present invention includes: well accuse multimedia device, on-vehicle ethernet gateway and panorama image equipment, wherein: the vehicle-mounted Ethernet gateway is respectively connected with the central control multimedia device and the panoramic image device and is used for data transmission between the central control multimedia device and the panoramic image device; the panoramic image equipment is provided with a first Ethernet interface and is used for sending panoramic video data to the vehicle-mounted Ethernet gateway through the first Ethernet interface; the central control multimedia device is provided with a second Ethernet interface and is used for acquiring the panoramic video data from the vehicle-mounted Ethernet gateway through the second Ethernet interface and displaying the panoramic video data.
According to the information interaction system based on the vehicle-mounted Ethernet, the central control multimedia equipment and the panoramic image equipment are provided with the Ethernet interfaces of the unified standard, so that the Ethernet communication is realized between the central control multimedia equipment and the panoramic image equipment through the vehicle-mounted Ethernet gateway, the Ethernet can support data interaction in various forms, and the Ethernet wiring harness is low in cost, so that on one hand, the data interaction between the central control multimedia equipment and the panoramic image equipment can be carried out in various forms, and the interaction mode between the central control multimedia equipment and the panoramic image equipment is enriched. And on the other hand, the communication cost between the central control multimedia equipment and the panoramic image equipment is reduced.
In one embodiment of the invention, the system further comprises: the driving recording equipment is provided with a third Ethernet interface and is used for sending driving video data to the vehicle-mounted Ethernet gateway through the third Ethernet interface; the central control multimedia device is further configured to obtain the driving video data from the vehicle-mounted ethernet gateway through the second ethernet interface, and display the driving video data.
In one embodiment of the invention, the system further comprises: the instrument is provided with a fourth Ethernet interface and is connected with the vehicle-mounted Ethernet gateway through the fourth Ethernet interface; the central control multimedia device is further configured to send interaction information to the vehicle-mounted ethernet gateway through the second ethernet interface; the instrument is used for acquiring the interaction information from the vehicle-mounted Ethernet gateway through the fourth Ethernet interface and displaying the interaction information.
In one embodiment of the invention, the system further comprises: the vehicle-mounted robot is provided with a fifth Ethernet interface and is connected with the vehicle-mounted Ethernet gateway through the fifth Ethernet interface; the central control multimedia device is further configured to send interaction information to the vehicle-mounted ethernet gateway through the second ethernet interface; and the vehicle-mounted robot is used for acquiring the interaction information from the vehicle-mounted Ethernet gateway through the fifth Ethernet interface and displaying the interaction information.
In an embodiment of the present invention, a trunk of the vehicle is provided with a vehicle ethernet port of the vehicle ethernet gateway, and the system further includes: the image acquisition equipment is provided with a sixth Ethernet interface and is connected with a vehicle-mounted Ethernet port of the vehicle-mounted Ethernet gateway through the sixth Ethernet interface, and the image acquisition equipment is used for sending acquired video data to the vehicle-mounted Ethernet gateway through the sixth Ethernet interface; the central control multimedia device is further configured to obtain the video data from the vehicle-mounted ethernet gateway through the second ethernet interface, and display the video data.
In an embodiment of the present invention, an ethernet port of the in-vehicle ethernet gateway is disposed on a seat of the vehicle, and the system further includes: the vehicle-mounted multimedia equipment is provided with a seventh Ethernet interface and is connected with the Ethernet port of the vehicle-mounted Ethernet gateway through the seventh Ethernet interface; the central control multimedia device is further configured to send video data displayed in the central control multimedia device to the vehicle-mounted ethernet gateway through the second ethernet interface; the vehicle-mounted multimedia device is further configured to acquire the video data from the vehicle-mounted ethernet gateway through the seventh ethernet interface, and display the video data.
In an embodiment of the present invention, the vehicle-mounted ethernet gateway includes a microprocessor and an ethernet switching chip, and the microprocessor is connected to the ethernet switching chip, wherein the microprocessor acquires vehicle status information from each network of a vehicle complete vehicle bus control system through a CAN bus and sends the vehicle status information to the ethernet switching chip; the central control multimedia device is further configured to obtain the vehicle state information from the ethernet switching chip through the second ethernet interface.
In an embodiment of the present invention, the second ethernet interface is specifically connected to a vehicle-mounted ethernet port disposed on the vehicle-mounted ethernet gateway, the ethernet port disposed on the vehicle-mounted ethernet gateway further includes a general ethernet port, and the system further includes: the diagnostic equipment is provided with an eighth Ethernet interface and is connected with a universal Ethernet port of the vehicle-mounted Ethernet gateway through the eighth Ethernet interface; and the diagnosis equipment is used for acquiring the state information of the whole vehicle from the central multimedia equipment through the vehicle-mounted Ethernet gateway and carrying out fault detection according to the state information of the whole vehicle.
In an embodiment of the present invention, the number of the ethernet switching chips is multiple, and the multiple ethernet switching chips are connected in a cascade manner.
In one embodiment of the invention, the plurality of Ethernet switch chips comprise a first Ethernet chip and a second Ethernet chip; the first Ethernet exchange chip is provided with a plurality of vehicle-mounted Ethernet ports, at least one medium irrelevant port and at least one serial gigabit medium independent port SGMII; a plurality of vehicle-mounted Ethernet ports, at least one universal Ethernet port, at least one media independent port and at least one SGMII port are arranged on the second Ethernet switching chip; the media independent port of the first Ethernet switching chip is connected with the media independent port of the second Ethernet switching chip.
In an embodiment of the present invention, the central control multimedia device includes a wireless communication module, and the central control multimedia device is further configured to obtain update data from a server through the wireless communication module, and send the update data to a corresponding device through the vehicle-mounted ethernet gateway, so that the corresponding device performs software update according to the update data.
In order to achieve the above object, a second aspect of the present invention provides a vehicle including the in-vehicle ethernet-based information interaction system implemented in the first aspect.
According to the vehicle provided by the embodiment of the invention, the central control multimedia device and the panoramic image device are provided with the Ethernet interfaces with the unified standard, so that the Ethernet communication between the central control multimedia device and the panoramic image device is realized through the vehicle-mounted Ethernet gateway, and the Ethernet can support data interaction in various forms, and the Ethernet wiring harness has low cost, so that on one hand, the data interaction between the central control multimedia device and the panoramic image device can be carried out in various forms, and the interaction modes between the central control multimedia device and the panoramic image device are enriched. And on the other hand, the communication cost between the central control multimedia equipment and the panoramic image equipment is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 3 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 4 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to a further embodiment of the invention;
FIG. 5 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 6 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 7 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to a further embodiment of the invention;
FIG. 8 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 9 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to another embodiment of the invention;
FIG. 10 is a schematic diagram of the pins of a Q5050 chip integrated with the Ethernet physical layer;
FIG. 11 is a schematic diagram of a serial connection of two Q5050 chips;
FIG. 12 is a schematic structural diagram of an information interaction system based on a vehicle-mounted Ethernet according to an embodiment of the present invention;
FIG. 13 is a schematic illustration of a vehicle and server interaction process;
fig. 14 is a schematic structural view of a vehicle according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The information interaction system based on the vehicle-mounted ethernet and the vehicle according to the embodiment of the present invention will be described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an information interaction system based on a vehicle-mounted ethernet according to an embodiment of the present invention.
As shown in fig. 1, the information interaction system based on the vehicle ethernet comprises a central control multimedia device 110, a vehicle ethernet gateway 120 and a panoramic image device 130. Wherein:
the in-vehicle ethernet gateway 120 is connected to the central control multimedia device 110 and the panoramic image device 130, respectively, and is configured to perform data transmission between the central control multimedia device 110 and the panoramic image device 130.
The center control multimedia device 110 refers to a device having a vehicle center control system and a multimedia function.
It is to be understood that the center control multimedia device 110 has a display screen, and the user can control the vehicle, play multimedia, etc. by touching the display screen. For example, a user may play music MV by touching the associated control of the display screen.
The panoramic image device 130 is provided with a first ethernet interface 131, and is configured to send panoramic video data to the vehicle-mounted ethernet gateway 120 through the first ethernet interface 131.
As an exemplary embodiment, the panoramic imaging apparatus 130 may include, but is not limited to, a panoramic main controller (not shown in the figure) and a plurality of cameras (not shown in the figure) disposed on the vehicle, wherein the panoramic main controller is configured to splice videos captured by the cameras to form a panoramic video.
The central control multimedia device 110 is provided with a second ethernet interface 111, and is configured to obtain the panoramic video data from the vehicle-mounted ethernet gateway 120 through the second ethernet interface 111 and display the panoramic video data.
The information interaction system based on the vehicle-mounted Ethernet of the example is characterized in that an Ethernet interface with a unified standard is arranged between the central control multimedia device and the panoramic image device, so that Ethernet communication is realized between the central control multimedia device and the panoramic image device through a vehicle-mounted Ethernet gateway.
In addition, it should be noted that, compared to the LVDS wire, the price of the ethernet harness is much lower, for example, the price of one meter of the LVDS wire is about 38 rmb, and the price of one meter of the ethernet harness is about 2 rmb, so that in this embodiment, the communication between the central control multimedia device and the panoramic image device is realized through the ethernet, and the cost of the information interaction system based on the vehicle-mounted ethernet can be greatly reduced.
As an exemplary embodiment, the central control multimedia device 110 may include a video format conversion unit (not shown in the figure), wherein when it is monitored that the format of the panoramic video data acquired from the in-vehicle ethernet gateway 120 is inconsistent with the video format supported by the central control multimedia device 110, the video format conversion unit performs format conversion on the acquired panoramic video data to enable the central control multimedia device 110 to display the panoramic video data after format conversion, so that the central control multimedia device may communicate with panoramic image devices of various video formats, that is, the format of video data transmission between the central control multimedia device and the panoramic image devices is not fixed, and the format of video data between the central control multimedia device and the panoramic image devices is enriched.
To sum up, in the information interaction system based on the vehicle-mounted ethernet according to the embodiment of the present invention, the central control multimedia device and the panoramic image device are provided with the ethernet interfaces of the unified standard, so that the ethernet communication between the central control multimedia device and the panoramic image device is realized through the vehicle-mounted ethernet gateway. And on the other hand, the communication cost between the central control multimedia equipment and the panoramic image equipment is reduced.
In the related technology, a common multimedia device and a panoramic image device are connected through LVDS to transmit panoramic spliced video, and an automobile data recorder transmits camera data to an inner rear view mirror through a coaxial cable for display, so that the multimedia device and the panoramic image device as well as the automobile data recorder and the inner rear view mirror are communicated in different communication modes, namely the multimedia device, the panoramic image device and the automobile data recorder are not interacted in the same system any more, and the two systems are independent and not interacted with each other. In order to reasonably utilize multimedia resources and realize multiplexing of multimedia resources, as an exemplary implementation manner, the central control multimedia device 110 may display not only a panoramic video but also a driving video of a driving recording device, the following describes an information interaction system based on a vehicle-mounted ethernet with reference to fig. 2, and fig. 2 is a schematic structural diagram of an information interaction system based on a vehicle-mounted ethernet according to another embodiment of the present invention.
On the basis of the embodiment shown in fig. 1, as shown in fig. 2, the system may further include:
the driving recording device 140 is provided with a third ethernet interface 141, and is configured to send driving video data to the vehicle-mounted ethernet gateway 120 through the third ethernet interface 141.
The central control multimedia device 110 is further configured to obtain driving video data from the vehicle-mounted ethernet gateway 120 through the second ethernet interface 111, and display the driving video data.
Therefore, compared with the case that the central control multimedia device and the panoramic image device communicate in one way and the driving recording device communicates in another way, in this example, the driving recording device, the central control multimedia device and the panoramic image device are provided with the unified ethernet interfaces, so that the communication ways among the three devices are unified, the information interaction way among the central control multimedia device, the panoramic image device and the driving recording device is simplified, and the multimedia resource reuse of the central control multimedia device is realized.
On the basis of the embodiment shown in fig. 1, as shown in fig. 3, the system may further include:
the meter 150 is provided with a fourth ethernet interface 151, and is connected to the in-vehicle ethernet gateway 120 through the fourth ethernet interface 151.
The central control multimedia device 110 is further configured to send interaction information to the in-vehicle ethernet gateway 120 through the second ethernet interface 111.
And the meter 150 is configured to obtain the interaction information from the vehicle ethernet gateway 120 through the fourth ethernet interface 151, and display the interaction information.
The interactive information may include, but is not limited to, information such as pictures, song information, and navigation information, and the embodiment does not limit the interactive information.
For example, the central control multimedia device 110 may send the song name and the lyrics to the meter 150 through the vehicle ethernet gateway 120, and the meter 150 displays the song name and the lyrics displayed by the central control multimedia device, thereby implementing the interaction between the meter 150 and the central control multimedia device 110.
It should be noted that the structure of the meter 150 in the system embodiment shown in fig. 3 may be included in the system embodiment shown in fig. 2, and the embodiment is not limited thereto.
In this example, the instrument is provided with an ethernet interface of a unified standard, so that ethernet communication can be realized between the instrument and the central control multimedia device through the vehicle-mounted ethernet gateway, and the instrument can display interactive information sent by the central control multimedia device, thereby enriching the functions of the instrument.
On the basis of the embodiment shown in fig. 1, as shown in fig. 4, the system may further include:
the in-vehicle robot 160 is provided with a fifth ethernet interface 161, and is connected to the in-vehicle ethernet gateway 120 through the fifth ethernet interface 161.
The central control multimedia device 110 is further configured to send the interaction information to the in-vehicle ethernet gateway 120 through the second ethernet interface 111.
And the vehicle-mounted robot 160 is configured to acquire the interaction information from the vehicle-mounted ethernet gateway 120 through the fifth ethernet interface 161 and display the interaction information.
The interactive information may include, but is not limited to, audio, video, driving condition, navigation information, and the like, and the embodiment does not limit the interactive information.
It should be noted that the configuration of the in-vehicle robot 160 in the system embodiment shown in fig. 4 may be included in the system embodiments shown in fig. 2 and 3, and the embodiment is not limited thereto.
In this example, the vehicle-mounted robot can access the vehicle-mounted ethernet gateway through the ethernet interface, and the central control multimedia device can realize information interaction with the vehicle-mounted robot through the vehicle-mounted ethernet gateway, so that the vehicle-mounted robot can interact with a driver and passengers in a driving process, and the driving condition and the multimedia information are fed back, thereby improving the driving experience of the driver and passengers.
Based on the above embodiments, as an exemplary implementation manner, in order to facilitate the driver to view the article condition of the trunk, the trunk of the vehicle is provided with an ethernet port of the in-vehicle ethernet gateway 120.
It should be noted that the ethernet port of the in-vehicle ethernet gateway 120 is connected to the in-vehicle ethernet gateway 120 through an ethernet cable.
It should be understood that the ethernet cable is used as an extension line to ensure that long-distance transmission signals are not attenuated, and the ethernet cable is suitable for long-distance communication and has low cost.
On the basis of the embodiment shown in fig. 1, as shown in fig. 5, the system may further include:
the image capturing device 170 is provided with a sixth ethernet interface 171, and is connected to the ethernet port of the in-vehicle ethernet gateway 120 through the sixth ethernet interface 171.
As an example, the image capture device 170 may be a camera.
And the image acquisition device 170 is configured to send acquired video data to the in-vehicle ethernet gateway 120 through the sixth ethernet interface 171.
The central control multimedia device 110 is further configured to obtain video data from the in-vehicle ethernet gateway 120 through the second ethernet interface 111, and display the video data.
It should be noted that, the structure of the image capturing device 170 in the system embodiment shown in fig. 5 may also be included in the system embodiments shown in fig. 2 to fig. 4, which is not limited in this embodiment.
In this example, the central control multimedia device can acquire the video data acquired by the image acquisition device through the vehicle-mounted ethernet gateway and display the acquired video data, so that a driver can know the article condition of the trunk through the central control multimedia device, and the user can conveniently check the article condition of the trunk.
Based on the above embodiments, as an exemplary implementation manner, in order to facilitate passengers in the middle row and/or the rear row seats to view multimedia information on the central control multimedia device, an ethernet port of the vehicle-mounted ethernet gateway 120 is provided on the seat of the vehicle, where it should be noted that the ethernet port of the vehicle-mounted ethernet gateway 120 is connected to the vehicle-mounted ethernet gateway 120 through an ethernet cable.
Based on the implementation of the system shown in fig. 1, as shown in fig. 6, the system may further include:
the vehicle-mounted multimedia device 180 is provided with a seventh ethernet interface 181, and is connected to the ethernet port of the vehicle-mounted ethernet gateway 120 through the seventh ethernet interface 181.
As one example, the in-vehicle multimedia device 180 may include, but is not limited to, an in-vehicle tablet.
The central control multimedia device 110 is further configured to send video data displayed in the central control multimedia device 110 to the in-vehicle ethernet gateway 120 through the second ethernet interface 111.
The vehicle-mounted multimedia device 180 is further configured to obtain video data from the vehicle-mounted ethernet gateway 120 through the seventh ethernet interface 181, and display the video data.
It should be noted that, the structure of the vehicle-mounted multimedia device 180 in the system embodiment shown in fig. 6 may also be included in the system embodiments shown in fig. 2 to fig. 5, and the embodiment is not limited thereto.
In this example, the vehicle-mounted multimedia device realizes video information synchronization with the central control multimedia device through the vehicle-mounted ethernet gateway, and realizes the effect of one screen controlling multiple screens of synchronous video display.
It should be understood that, the ethernet port of the vehicle-mounted ethernet gateway 120 disposed on the seat of the vehicle may also be connected to a device supporting the ethernet port, such as an electronic device like a mobile phone or a tablet computer, and the device is charged or a network is provided through the ethernet port, so that the quality of life and entertainment in the vehicle is improved.
Based on the system embodiment shown in fig. 1, as shown in fig. 7, the in-vehicle ethernet gateway 120 may include a microprocessor 121 and an ethernet switching chip 122, the microprocessor 121 is connected to the ethernet switching chip 122, wherein,
the microprocessor 121 obtains the vehicle state information from each network of the vehicle complete vehicle bus control system through the CAN bus, and sends the vehicle state information to the ethernet switching chip 122.
Each network of the vehicle bus Control system may include a power grid, a comfort grid, a start-up grid, an Electronic Stability Control (ESC) network, and the like.
The central control multimedia device 110 is further configured to obtain the vehicle status information from the ethernet switch chip 122 through the second ethernet interface 111.
As an exemplary embodiment, the central multimedia device 110 may further receive a touch instruction of a user for displaying a vehicle state, and display the vehicle state according to the touch instruction.
As another exemplary embodiment, the center control multimedia device 110 may further display status information of a certain module in the vehicle according to a touch instruction of the user.
In this example, the central control multimedia device can obtain the state information of the whole vehicle through the microprocessor in the vehicle-mounted ethernet gateway, which is convenient for the user to obtain the state information of the whole vehicle through the central control multimedia device.
It should be noted that, the structures of the microprocessor 121 and the ethernet switch chip 122 in the system embodiment shown in fig. 7 may also be included in the system embodiments shown in fig. 2 to fig. 6, and the embodiment is not limited thereto.
As an exemplary embodiment, the second ethernet interface 111 is specifically connected to a vehicle ethernet port disposed on the vehicle ethernet gateway 120, and the ethernet port disposed on the vehicle ethernet gateway 120 further includes a general ethernet port.
The general ethernet port is a conventional ethernet port.
It should be noted that the pair line used by the vehicle-mounted ethernet interface is different from that used by the conventional ethernet interface, and as an example, the vehicle-mounted ethernet interface uses 1 pair line, and the conventional ethernet interface uses 2 pair twisted pair lines.
On the basis of the embodiment of the system shown in fig. 7, as shown in fig. 8, the system may further include:
the diagnostic device 190 is provided with an eighth ethernet interface 191, and is connected with the general ethernet port of the vehicle-mounted ethernet gateway 120 through the eighth ethernet interface 191;
and the diagnostic device 190 is configured to obtain the vehicle state information from the central multimedia device 110 through the vehicle-mounted ethernet gateway 120, and perform fault detection according to the vehicle state information.
As an exemplary embodiment, when the vehicle recording device accesses the vehicle ethernet gateway 120, the diagnosis device 190 may perform fault detection on the vehicle recording device through the vehicle ethernet gateway 120. Therefore, the user can conveniently detect the fault of the driving recording equipment.
As another exemplary embodiment, when the panorama imaging device accesses the in-vehicle ethernet gateway 120, the diagnosis device 190 may perform fault detection on the panorama imaging device through the in-vehicle ethernet gateway 120. Therefore, the user can conveniently detect the fault of the panoramic image equipment.
As another exemplary embodiment, when both the driving recording device and the panoramic image device are connected to the vehicle-mounted ethernet gateway 120, the diagnosis device 190 may perform fault detection on the driving recording device and the panoramic image device, respectively, or perform fault detection on the driving recording device and the panoramic image device simultaneously.
Of course, the diagnostic device 190 may also perform fault detection on other devices accessing the on-board ethernet gateway 120, so as to facilitate the user to perform fault detection on the device connected to the on-board ethernet gateway 120 through the diagnostic device 190.
It should be noted that the structure of the diagnostic device 190 in the system embodiment shown in fig. 8 may also be included in the system embodiments shown in fig. 2 to 6, which are not limited in this embodiment.
As an exemplary implementation manner, in order to facilitate management of devices connected to the vehicle ethernet gateway, an interface circuit for interaction between different devices may be unified through a connector, and on the basis of the embodiment of the system shown in fig. 1, as shown in fig. 9, the system may further include:
one end of the connector 210 is connected to the vehicle-mounted ethernet gateway 120, and the other end of the connector 210 is connected to a device connected to the vehicle-mounted ethernet gateway 120.
The devices connected to the in-vehicle ethernet gateway 120 may include, but are not limited to, the central multimedia device 110 and the panorama device 130.
Among them, it is to be understood that, depending on the application scenario, the devices connected to the in-vehicle ethernet gateway 120 are different.
The devices connected to the in-vehicle ethernet gateway 120 are all connected to the ethernet switch chip through the plug 210.
As an exemplary embodiment, in order to enable the vehicle-mounted ethernet gateway to access more devices, the number of the ethernet switching chips is multiple, and the multiple ethernet switching chips may be connected in a cascade manner.
Wherein the plurality of ethernet switching chips may include a first ethernet chip and a second ethernet chip.
The first ethernet switching chip is provided with a plurality of vehicle-mounted ethernet ports, at least one Media Independent Interface (MII) port and at least one serial Gigabit Media Independent Interface (sgmii) port.
Wherein the onboard ethernet port 100base-T1 may support 100 mega (M) ethernet.
Wherein, the universal Ethernet port 100Base-Tx can support 100M Ethernet.
It should be noted that the SGMII port can support 10 mega (M), 100M and 1000M ethernet.
The second Ethernet exchange chip is provided with a plurality of vehicle-mounted Ethernet ports, at least one universal Ethernet port, at least one medium irrelevant port and at least one SGMII port.
The media independent port of the first Ethernet switching chip is connected with the media independent port of the second Ethernet switching chip.
As an example, the first Ethernet switch chip and the second Ethernet switch chip can both adopt Q5050 of Marvel corporation, the chip is highly integrated and small in size, the Q5050 chip integrates PHY physical layers of at least 4 vehicle-mounted Ethernet ports 100Base-T1 and a PHY of a traditional Ethernet port 100Base-Tx, and other ports can be flexibly configured, can be configured to support 1000M Ethernet, also support SGMII or GMII ports of 10M and 100M at the same time, and can be configured to support MII ports of 100M and 10M only for connecting the physical layer PHY and Media Access Control (MAC).
The configuration of each port is selected as shown in table 1.
Configuration mode of port
Arrangement mode Port 1-4 Port 5 Port 6 Port 7 Port 8
0 100BT1 100BT1 Tx SGMII xMII/GMII
1 100BT1 xMII Tx SGMII xMII
2 100BT1 100BT1 xMII SGMII xMII
3 100BT1 100BT1 Tx xMII xMII
Where xMII denotes SGMII or GMII (Gigabit Medium Independent Interface) or MII.
A schematic diagram of the pins of the Q5050 chip integrated with the ethernet physical layer is shown in fig. 10. Taking an ethernet switching chip as a Q5050 chip as an example, the ethernet function is realized in a manner of cascading two Q5050 chips, where the first chip is configured in the 2 nd type, and the second chip is configured in the 3 rd type. The schematic diagram of serial connection of two Q5050 chips is shown in fig. 11. In this way, it is possible to have 10 100Base-T1 ports (for meters, rear PADs, in-car cameras, etc. where there is a large data stream) and 1 100Base-TX port (reserved in-car diagnostics), and two and three RGMII ports supporting 1000M Ethernet. One of the three ports can be connected with a MCU for information security encryption, one can be used for connecting with multimedia, and the other is reserved. For example, in the interaction between the meter and the central control multimedia device, the central control multimedia device is connected with one RGMII port, the PAD is connected to the Ethernet port of the gateway through a chip of USB-to-gigabit Ethernet, and the meter is connected with one 100Base-T1 port, so that the interaction among the central control multimedia device, the gateway and the meter can be realized.
Fig. 12 is a schematic structural diagram of an information interaction system based on a vehicle-mounted ethernet according to an embodiment of the present invention. The system comprises a control multimedia device, an automobile data recorder, an instrument, a panoramic image device, a robot, a middle row 1, a middle row 2, a diagnosis device, a trunk camera, a back row 1 and a back row 2, wherein the control multimedia device, the automobile data recorder, the instrument, the panoramic image device, the robot, the middle row 1, the middle row 2, the diagnosis device, the trunk camera, the back row 1 and the back row 2 in the figure 12 are all connected with a vehicle-mounted Ethernet gateway through connectors.
In fig. 12, a middle row 1 represents a vehicle-mounted multimedia device on a middle row seat 1, a middle row 2 represents a vehicle-mounted multimedia device on a middle row seat 2, a rear row 1 represents a vehicle-mounted multimedia device on a rear row seat 1, and a rear row 2 represents a vehicle-mounted multimedia device on a rear row seat 2.
It should be noted that each device in fig. 12 is provided with a hardware platform supporting an ethernet physical layer and an anti-interference protection circuit.
Here, spi (serial Peripheral interface) in fig. 12 indicates a serial Peripheral interface.
As an exemplary embodiment, to facilitate the updating of the modules in the vehicle by implementing remote programming updates via ethernet, the central multimedia device 110 may include a wireless communication module (not shown). The central control multimedia device 110 is further configured to obtain the update data from the server through the wireless communication module, and send the update data to the corresponding device through the vehicle-mounted ethernet gateway 120, so that the corresponding device performs software update according to the update data.
As an exemplary embodiment, the central control multimedia device 110 obtains the programming file from the server through the wireless communication module (e.g., the 4G communication module), and sends the programming file to the corresponding device through the in-vehicle ethernet gateway 120, and the corresponding device implements updating according to the programming file.
A schematic diagram of the interaction process between the vehicle and the server is shown in fig. 13.
In order to realize the embodiment, the invention further provides a vehicle.
Fig. 14 is a schematic structural view of a vehicle according to an embodiment of the present invention.
As shown in fig. 14, the vehicle 1 includes the in-vehicle ethernet-based information interaction system 10 of the above-described embodiment.
It should be noted that fig. 14 only exemplarily shows that the vehicle ethernet-based information interaction system 10 includes the central control multimedia device 110, the vehicle ethernet gateway 120 and the panoramic image device 130, and the vehicle ethernet-based information interaction system 10 may further include other devices, which is not described herein again, and for details, reference may be made to the description about the vehicle ethernet communication system.
It should be noted that the explanation of the information interaction system based on the vehicle-mounted ethernet also applies to this embodiment, and is not repeated here.
According to the vehicle provided by the embodiment of the invention, the central control multimedia device and the panoramic image device are provided with the Ethernet interfaces of the unified standard, so that the Ethernet communication between the central control multimedia device and the panoramic image device is realized through the vehicle-mounted Ethernet gateway, the Ethernet can support various forms of data interaction, and the Ethernet wiring harness is low in cost, so that on one hand, the data interaction between the central control multimedia device and the panoramic image device can be carried out in various forms, and the interaction mode between the central control multimedia device and the panoramic image device is enriched. And on the other hand, the communication cost between the central control multimedia equipment and the panoramic image equipment is reduced.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (11)

1. An information interaction system based on a vehicle-mounted Ethernet is characterized by comprising: well accuse multimedia device, on-vehicle ethernet gateway and panorama image equipment, wherein:
the vehicle-mounted Ethernet gateway is respectively connected with the central control multimedia device and the panoramic image device and is used for data transmission between the central control multimedia device and the panoramic image device;
the panoramic image equipment is provided with a first Ethernet interface and is used for sending panoramic video data to the vehicle-mounted Ethernet gateway through the first Ethernet interface;
the central control multimedia device is provided with a second Ethernet interface and is used for acquiring the panoramic video data from the vehicle-mounted Ethernet gateway through the second Ethernet interface and displaying the panoramic video data;
be provided with on the trunk of vehicle on-vehicle ethernet gateway's on-vehicle ethernet port, the system still includes:
the image acquisition equipment is provided with a sixth Ethernet interface and is connected with a vehicle-mounted Ethernet port of the vehicle-mounted Ethernet gateway through the sixth Ethernet interface,
the image acquisition device is used for sending acquired video data to the vehicle-mounted Ethernet gateway through the sixth Ethernet interface;
the central control multimedia device is further configured to acquire the video data from the vehicle-mounted ethernet gateway through the second ethernet interface and display the video data, so that a driver can acquire the article condition of the trunk through the central control multimedia device;
the vehicle-mounted Ethernet gateway is characterized in that an Ethernet port of the vehicle-mounted Ethernet gateway is arranged on a seat of the vehicle, and the Ethernet port is used for accessing equipment supporting the Ethernet port and charging the equipment or providing a network for the equipment through the Ethernet port.
2. The vehicle ethernet-based information interaction system according to claim 1, wherein said system further comprises:
the driving recording equipment is provided with a third Ethernet interface and is used for sending driving video data to the vehicle-mounted Ethernet gateway through the third Ethernet interface;
the central control multimedia device is further configured to obtain the driving video data from the vehicle-mounted ethernet gateway through the second ethernet interface, and display the driving video data.
3. The vehicle ethernet-based information interaction system according to claim 1, wherein said system further comprises:
the instrument is provided with a fourth Ethernet interface and is connected with the vehicle-mounted Ethernet gateway through the fourth Ethernet interface;
the central control multimedia device is further configured to send interaction information to the vehicle-mounted ethernet gateway through the second ethernet interface;
the instrument is used for acquiring the interaction information from the vehicle-mounted Ethernet gateway through the fourth Ethernet interface and displaying the interaction information.
4. The vehicle ethernet-based information interaction system according to claim 1, wherein said system further comprises:
the vehicle-mounted robot is provided with a fifth Ethernet interface and is connected with the vehicle-mounted Ethernet gateway through the fifth Ethernet interface;
the central control multimedia device is further configured to send interaction information to the vehicle-mounted ethernet gateway through the second ethernet interface;
and the vehicle-mounted robot is used for acquiring the interaction information from the vehicle-mounted Ethernet gateway through the fifth Ethernet interface and displaying the interaction information.
5. The vehicle ethernet-based information interaction system according to claim 1, wherein said system further comprises:
the vehicle-mounted multimedia equipment is provided with a seventh Ethernet interface and is connected with the Ethernet port of the vehicle-mounted Ethernet gateway through the seventh Ethernet interface;
the central control multimedia device is further configured to send video data displayed in the central control multimedia device to the vehicle-mounted ethernet gateway through the second ethernet interface;
the vehicle-mounted multimedia device is further configured to acquire the video data from the vehicle-mounted ethernet gateway through the seventh ethernet interface, and display the video data.
6. The vehicle Ethernet based information interaction system of any one of claims 1 to 5, wherein the vehicle Ethernet gateway comprises a microprocessor and an Ethernet switch chip, the microprocessor is connected with the Ethernet switch chip, wherein,
the microprocessor acquires the state information of the whole vehicle from each network of the vehicle whole vehicle bus control system through the CAN bus and sends the state information of the whole vehicle to the Ethernet exchange chip;
the central control multimedia device is further configured to obtain the vehicle state information from the ethernet switching chip through the second ethernet interface.
7. The vehicle-mounted ethernet-based information interaction system according to claim 6, wherein the second ethernet interface is specifically connected to a vehicle-mounted ethernet port provided on the vehicle-mounted ethernet gateway, the ethernet port provided on the vehicle-mounted ethernet gateway further includes a general ethernet port, and the system further includes:
the diagnostic equipment is provided with an eighth Ethernet interface and is connected with a universal Ethernet port of the vehicle-mounted Ethernet gateway through the eighth Ethernet interface;
and the diagnosis equipment is used for acquiring the state information of the whole vehicle from the central multimedia equipment through the vehicle-mounted Ethernet gateway and carrying out fault detection according to the state information of the whole vehicle.
8. The vehicle-mounted Ethernet-based information interaction system of claim 6, wherein the number of the Ethernet switch chips is multiple, and the multiple Ethernet switch chips are connected in a cascade manner.
9. The vehicle-mounted Ethernet-based information interaction system of claim 8, wherein the plurality of Ethernet switch chips comprise a first Ethernet chip and a second Ethernet chip;
the first Ethernet exchange chip is provided with a plurality of vehicle-mounted Ethernet ports, at least one medium irrelevant port and at least one serial gigabit medium independent port SGMII;
a plurality of vehicle-mounted Ethernet ports, at least one universal Ethernet port, at least one media independent port and at least one SGMII port are arranged on the second Ethernet switching chip;
the media independent port of the first Ethernet switching chip is connected with the media independent port of the second Ethernet switching chip.
10. The vehicle Ethernet-based information interaction system of claim 6, wherein the central control multimedia device comprises a wireless communication module,
the central control multimedia device is further configured to obtain update data from a server through the wireless communication module, and send the update data to the corresponding device through the vehicle-mounted ethernet gateway, so that the corresponding device performs software update according to the update data.
11. A vehicle, characterized in that the vehicle comprises an onboard ethernet based information interaction system according to any of the claims 1-10.
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