WO2021097606A1 - 车载显示控制方法及车载控制装置、车载显示组件 - Google Patents

车载显示控制方法及车载控制装置、车载显示组件 Download PDF

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Publication number
WO2021097606A1
WO2021097606A1 PCT/CN2019/119163 CN2019119163W WO2021097606A1 WO 2021097606 A1 WO2021097606 A1 WO 2021097606A1 CN 2019119163 W CN2019119163 W CN 2019119163W WO 2021097606 A1 WO2021097606 A1 WO 2021097606A1
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WIPO (PCT)
Prior art keywords
vehicle
display
signal
control device
displayed
Prior art date
Application number
PCT/CN2019/119163
Other languages
English (en)
French (fr)
Inventor
王志懋
李维国
李彦孚
李雪
管恩慧
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/044,247 priority Critical patent/US11315477B2/en
Priority to PCT/CN2019/119163 priority patent/WO2021097606A1/zh
Priority to CN201980002487.8A priority patent/CN113574587A/zh
Publication of WO2021097606A1 publication Critical patent/WO2021097606A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G3/2096—Details of the interface to the display terminal specific for a flat panel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/009—On-board display devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles
    • G09F21/049—Mobile visual advertising by land vehicles giving information to passengers inside the vehicles
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/04—Display device controller operating with a plurality of display units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/10—Automotive applications

Definitions

  • the present disclosure relates to the field of display technology, and in particular to a vehicle-mounted display control method, a vehicle-mounted control device, and a vehicle-mounted display assembly.
  • a display system is installed in the carriage of a rail vehicle, and the display system can be used to display pictures and image information for passengers to improve the passenger's riding experience.
  • a vehicle display control method including: a vehicle control device receives a signal to be displayed sent by a signal source; the vehicle control device converts the signal to be displayed into a relay data signal, and transmits the relay data signal To the signal conversion circuit of the corresponding vehicle-mounted display assembly; the signal conversion circuit converts the relay data signal into a display drive signal, and outputs the display drive signal to at least one display screen of the vehicle-mounted display assembly to Drive the at least one display screen to display.
  • the vehicle body includes a housing and a housing located in the housing, the vehicle-mounted control device is located between the housing and the housing, and the vehicle-mounted display assembly is located in the housing.
  • the on-board control device transmits the to-be-displayed signal to the signal conversion circuit of the corresponding on-board display component as a relay data signal, including:
  • the vehicle-mounted control device transmits the relay data signal to the signal conversion circuit of the corresponding vehicle-mounted display component in a wired transmission or wireless transmission manner.
  • the number of the vehicle-mounted display components is at least two
  • the vehicle-mounted control device corresponds to at least two of the vehicle-mounted display components
  • the vehicle-mounted control device includes a first distribution circuit.
  • the vehicle-mounted control device transmits the signal to be displayed to the signal conversion circuit of the corresponding vehicle-mounted display component as a relay data signal, and further includes:
  • the first distribution circuit copies the relay data signal into at least two relay data signals, and transmits the at least two relay data signals to the signals of the at least two vehicle display components in a one-to-one correspondence. Conversion circuit.
  • the on-board control device includes a second distribution circuit.
  • the on-board display control method further includes: the second distribution circuit copies the signal to be displayed into at least two signals to be displayed; the on-board control device copies one of the at least two signals to be displayed to be displayed The signal is converted into the relay data signal.
  • the number of the on-board control devices is at least two, and the at least two on-board control devices are cascaded, and the second distribution circuit of each on-board control device in the at least two on-board control devices It is also electrically connected with the next-level on-board control device.
  • the on-vehicle display control method further includes: transmitting the unconverted signals to be displayed in the at least two to-be-displayed signals to a second distribution circuit in a next-level on-board control device cascaded therewith.
  • the at least one display screen includes at least two display screens
  • the vehicle-mounted display assembly further includes a third distribution circuit.
  • the signal conversion circuit that outputs the display drive signal to at least one display screen of the corresponding vehicle-mounted display assembly further includes:
  • the signal conversion circuit outputs the display drive signal to the third distribution circuit
  • the third distribution circuit replicates the display drive signal into at least two display drive signals, and transmits the at least two display drive signals to at least two display screens of the on-board display assembly in a one-to-one correspondence.
  • the relay data signal includes one of an HDMI format signal, a DVI format signal, or a DP format signal.
  • a vehicle-mounted control device including:
  • At least one signal input interface the at least one signal input interface is configured to receive a signal to be displayed; a processor, the processor is electrically connected to the at least one signal input interface, and is configured to relay the signal to be displayed
  • the data signal is transmitted to the signal conversion circuit of the corresponding vehicle-mounted display assembly; and, at least one signal output interface, the at least one signal output interface is electrically connected to the processor, and is configured to transmit the relay data signal.
  • the at least one signal output interface includes at least two signal output interfaces.
  • the vehicle control device further includes: a first distribution circuit electrically connected to the processor and the at least two signal output interfaces, and the first distribution circuit is configured to connect the relay The data signal is copied into at least two relay data signals, and the at least two relay data signals are transmitted to the at least two signal output interfaces in a one-to-one correspondence.
  • the in-vehicle control device further includes: a second distribution circuit electrically connected to the processor and the at least one signal input interface, and the second distribution circuit is configured To copy the signal to be displayed into at least two signals to be displayed, and transmit one signal to be displayed of the at least two signals to be displayed to the processor.
  • a vehicle-mounted display assembly including: at least one display screen; and a signal conversion circuit.
  • the signal conversion circuit is electrically connected to the at least one display screen, and the signal conversion circuit is configured to receive a relay data signal transmitted by a corresponding vehicle control device, and convert the relay data signal into a display drive signal, and
  • the display driving signal is output to the at least one display screen to drive the at least one display screen to display.
  • the at least one display screen includes at least two display screens.
  • the vehicle-mounted display assembly further includes: a third distribution circuit electrically connected to the signal conversion circuit and the at least two display screens, and the third distribution circuit is configured to drive the display The signal is copied into at least two display drive signals, and the at least two display drive signals are transmitted to the at least two display screens in a one-to-one correspondence.
  • At least two of the signal conversion circuit, the third distribution circuit, or the at least one display screen are integrated.
  • an in-vehicle display system including: the in-vehicle control device as described in any of the above embodiments, the in-vehicle control device is disposed between the car body of the car body and the casing of the car body; In the case where the number of the on-board control devices is at least two, at least two of the on-board control devices are cascaded; and the on-board display assembly as described in any of the above embodiments, the on-board display assembly is arranged in the compartment and It is electrically connected with the corresponding vehicle-mounted control device.
  • the vehicle display system further includes: a power management module.
  • the power management module is electrically connected with at least one of the vehicle control device and at least one of the vehicle display components.
  • a vehicle including: a vehicle body, the vehicle body including a housing and a box body arranged inside the housing; and, the vehicle body arranged in the vehicle body as described in any of the previous embodiments Car display system.
  • the on-board display assembly is electrically connected to the corresponding on-board control device through a connecting wire, and at least part of the connecting wire is located between the compartment and the housing.
  • At least one armrest is provided in the compartment; at least one of the vehicle display components in the vehicle display system is provided on a corresponding armrest of the at least one armrest.
  • the vehicle-mounted display assembly is electrically connected to the corresponding vehicle-mounted control device through a connecting line,
  • At least part of the connecting wire is located in the armrest corresponding to the on-board display assembly
  • At least part of the connecting line is located between the compartment and the housing.
  • Fig. 1 is a schematic diagram of a vehicle according to some embodiments of the present disclosure
  • Fig. 2 is a schematic diagram of the AA cross section of the vehicle shown in Fig. 1;
  • FIG. 3 is a partial view of another schematic diagram of the AA section of the vehicle shown in FIG. 1;
  • Fig. 4 is a schematic diagram of a vehicle-mounted display system according to some embodiments of the present disclosure.
  • FIG. 5 is a schematic flowchart of a vehicle-mounted display control method according to some embodiments of the present disclosure
  • Fig. 6 is a schematic diagram of a vehicle-mounted control device according to some embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of another vehicle-mounted display system according to some embodiments of the present disclosure.
  • FIG. 8 is a schematic diagram of another vehicle-mounted display system according to some embodiments of the present disclosure.
  • FIG. 9 is a schematic flowchart of another vehicle-mounted display control method according to some embodiments of the present disclosure.
  • FIG. 10 is a schematic diagram of still another vehicle-mounted display system according to some embodiments of the present disclosure.
  • FIG. 11 is a schematic flowchart of yet another vehicle-mounted display control method according to some embodiments of the present disclosure.
  • Fig. 12 is a schematic diagram of another vehicle-mounted control device according to some embodiments of the present disclosure.
  • FIG. 13 is a schematic diagram of still another vehicle-mounted display system according to some embodiments of the present disclosure.
  • FIG. 14 is a schematic flowchart of another vehicle-mounted display control method according to some embodiments of the present disclosure.
  • a vehicle is provided. As shown in FIG. 1, the vehicle includes a vehicle body 1 and a vehicle-mounted display system (not shown in the figure) provided inside the vehicle body 1.
  • the in-vehicle display system is installed in a passenger compartment in the vehicle body 1.
  • the vehicle-mounted display system includes a control device and a display component, and the control device is electrically connected with the display component.
  • the control device and the display assembly are integrated and arranged as an integrated structure.
  • the control device transmits the data signal to the display component to realize the display of the display component.
  • the format of the data signal is LVDS (Low Voltage Differential Signaling) format, MIPI (Mobile Industry Processor Interface, mobile industry processor interface) format or EDP (Embedded Display Port) format.
  • control device and the display component adopt an integrated arrangement, so that the distance between the control device and the display component is relatively short, which is beneficial to the signal transmission between the control device and the display component.
  • the integrated arrangement of the control device and the display component causes the on-board display system to occupy a larger space in the compartment; in addition, the control device has the functions of signal conversion and signal transmission, as well as functions such as audio playback and peripheral interfaces.
  • the hardware structure corresponding to the function has a certain volume, which makes the volume of the control device larger, which in turn leads to a larger volume of the on-board display system, and occupies a larger space in the cabin, which affects the aesthetics of the cabin.
  • the present disclosure provides a vehicle.
  • the vehicle includes a vehicle body 1 and an on-board display system 2 provided inside the vehicle body 1.
  • the vehicle body 1 includes a housing 11 and a box body 12 provided inside the housing 11.
  • the compartment 12 of the vehicle includes at least one compartment.
  • the vehicle-mounted display system 2 includes at least one vehicle-mounted control device 21, and at least one vehicle-mounted display component 22 electrically connected to each vehicle-mounted control device 21.
  • Each vehicle-mounted control device 21 is configured to control the display of the corresponding vehicle-mounted display component 22.
  • the on-board control device 21 is located between the housing 11 and the car body 12, and the on-board display assembly 22 is located in the car body 12.
  • one vehicle-mounted control device 21 is provided in each carriage; or, multiple vehicle-mounted control devices 21 are provided in each carriage. Some embodiments of the present disclosure do not limit the number of on-board control devices 21 and the corresponding relationship between the on-board control devices 21 and the vehicle compartment.
  • one in-vehicle control device 21 corresponds to one in-vehicle display assembly 22; or, one in-vehicle control device 21 corresponds to a plurality of in-vehicle display assemblies 22. Some embodiments of the present disclosure do not limit the number of the in-vehicle control device 21 and the in-vehicle display assembly 22, and the correspondence between the in-vehicle control device 21 and the in-vehicle display assembly 22.
  • the vehicle display system 2 further includes: a power supply 24 and a power management module 23.
  • the power management module 23 is electrically connected to the power supply, at least one vehicle control device 21, and at least one vehicle display component 22, respectively. Join.
  • the power management module 23 is configured to effectively distribute the power signal of the power supply to the vehicle control device 21 and the vehicle display component 22.
  • the vehicle-mounted display system further includes a speaker 25, and the speaker 25 includes a sound outlet.
  • the loudspeaker 25 is arranged between the top of the car body 12 and the casing 11 of the car body 1, and the sound outlet of the loudspeaker 25 is arranged toward the car body 12. Based on this, the audio radiation range of the loudspeaker 25 can be increased, and the sound of the passengers who are close is too loud to be disturbed, and the audio radiation of the passengers who are far away is too much hindered.
  • the speaker 25 is electrically connected with the vehicle control device 21.
  • the in-vehicle control device 21 provides audio control signals to the speaker 25, so that audio playback can be performed synchronously while displaying a picture.
  • the on-board control device 21 is located between the housing 11 and the car body 12, and the on-board display assembly 22 corresponding to the on-board control device 21 is located in the car body 12. That is to say, if the on-board control device 21 and the on-board display assembly 22 in the on-board display system 2 are installed separately, and the on-board control device 21 is arranged outside the car body 12, the space in the car body 1 can be effectively used to make the car The visible part of the display system 2 in the car body is lighter and thinner, thereby improving the aesthetics in the car body 12.
  • the signal transmission distance between the in-vehicle control device 21 and the in-vehicle display assembly 22 is greater than 2 meters.
  • the LVDS format signal, MIPI format signal or EDP format signal is used as the transmission signal between the on-board control device 21 and the corresponding on-board display component 22, it is easy to cause a problem between the on-board control device 21 and the on-board display component 22.
  • the signal transmission is unstable, so that the image display effect of the vehicle-mounted display assembly 22 is poor, for example, problems such as unclear image display of the vehicle-mounted display assembly 22 occur.
  • some embodiments of the present disclosure provide a vehicle-mounted display control method, including S100-S300.
  • the vehicle-mounted control device 21 receives the signal to be displayed sent by the signal source.
  • the vehicle-mounted control device 21 converts the signal to be displayed into a relay data signal, and transmits the relay data signal to the signal conversion circuit 221 of the corresponding display component 22.
  • the signal to be displayed is usually provided by a signal source.
  • the vehicle-mounted control device 21 is electrically connected with a signal source to receive the signal to be displayed, and transmit the signal to be displayed to the corresponding vehicle-mounted display component 22 as a relay data signal.
  • the relay data signal is a video signal that can be transmitted over a long distance (more than or equal to two meters) and has good data transmission quality, where the video signal is a TV signal, a still image signal, or a visual TV image signal.
  • the relay data signal is a DVI (Digital Visual Interface) format signal, an HDMI (High Definition Multimedia Interface, high-definition multimedia interface) format signal, or a DP (Display Port, display interface) format signal.
  • DVI Digital Visual Interface
  • HDMI High Definition Multimedia Interface, high-definition multimedia interface
  • DP Display Port, display interface
  • Some embodiments of the present disclosure do not limit the type of the signal format of the relay data signal, and are limited to the fact that the relay data signal can achieve high-quality long-distance transmission for display by the on-board display component 22.
  • the relay data signal is an HDMI format signal.
  • the HDMI format signal is a high-definition multimedia interface format signal. It is a signal in the format of a fully digital video and audio transmission interface suitable for image transmission. It can transmit uncompressed high-definition video and multi-channel audio signals at the same time, and It is easy to use and intelligent.
  • the signal conversion circuit 221 converts the relay data signal into a display drive signal, and outputs the display drive signal to the at least one display screen 222 of the vehicle-mounted display assembly 22 to drive the at least one display screen 222 to display.
  • the HDMI format signal is used for signal transmission between the on-board control device 21 and the on-board display component 22, which can effectively prevent the signal to be displayed from generating a large signal due to the excessive distance between the on-board control device 21 and the on-board display component 22. Attenuation, so as to ensure long-distance lossless, high-definition, high-quality transmission, so that the on-board display assembly 22 in the car body 12 can better realize multimedia functions, that is, to ensure that the display screen 222 in the on-board display assembly 22 can display more clearly Display image.
  • the vehicle control device 21 includes a processor 210 and at least one signal input interface electrically connected to the processor 210, wherein the at least one signal input interface is configured to receive a signal to be displayed .
  • the processor 210 can transmit the signal to be displayed to the signal conversion circuit 221 of the corresponding vehicle display component 22 as a relay data signal.
  • the vehicle control device 21 further includes: at least one signal output interface electrically connected to the processor 210, wherein the at least one signal output interface is configured to transmit a relay data signal.
  • the processor 210 directly transmits the HDMI format signal to the signal conversion circuit 221 of the vehicle display component 22 through each signal output interface.
  • the processor 210 converts the signal to be displayed into an HDMI format signal, and then transmits the converted HDMI format signal to the signal conversion circuit 221 of the corresponding vehicle display component 22 through each signal output interface. .
  • some embodiments of the present disclosure do not limit the signal source and the type of the signal to be displayed provided by it.
  • the signal source is a computer (PC) or an advertising player play box.
  • the signal to be displayed provided by the signal source may be directly an HDMI format signal.
  • the signal source is a vehicle-mounted broadcasting system.
  • the signal to be displayed provided by the signal source is an Ethernet signal, that is, a non-HDMI format signal.
  • Ethernet signal as the signal to be displayed can make the sending process of the signal to be displayed simple, low in cost, and strong in scalability.
  • the car control The devices 21 can all transmit the signal to be displayed to the signal conversion circuit 221 of the corresponding vehicle-mounted display component 22 in the HDMI format.
  • the HDMI format signal that can be directly output by the signal source is directly sent to the signal conversion circuit 221 of the in-vehicle display assembly 22 without passing through the in-vehicle control device 21, so that the in-vehicle display assembly 22 can be separated from the in-vehicle control device 21. It is controlled and used as a universal display terminal, so as to realize the demonstration function of the vehicle-mounted display assembly 22 without the vehicle-mounted control device 21, and it is easy to realize the debugging of the vehicle-mounted display assembly 22 separately.
  • S200 of the vehicle display control method further includes: the vehicle control device 21 transmits the relay data signal to the signal conversion circuit 221 of the corresponding vehicle display component 22 in a wired transmission manner.
  • the vehicle-mounted control device 21 is electrically connected to the corresponding vehicle-mounted display assembly 22 through a connection line.
  • the on-board control device 21 is located between the housing 11 and the car body 12 at the roof position, the on-board display assembly 22 is located in the car body 12, and the on-board display assembly 22 is fixed on the car body 12 through the connecting piece 14.
  • the connecting piece 14 On the inner wall. Based on this, a part of the connecting line between the on-board control device 21 and the on-board display assembly 22 is located between the housing 11 and the car body 12, and the remaining part of the connecting line is located in the connecting piece 14.
  • At least one armrest 13 is provided in the compartment 12.
  • One end of each armrest 13 of the at least one armrest 13 is connected to the side of the box body 12, and the other end extends vertically upward in a direction away from the ground and is connected to the top of the box body 12.
  • the vehicle-mounted display assembly 22 is arranged between the car body 12 and the armrest 13, and is fixedly connected to the armrest 13 corresponding to the vehicle-mounted display assembly 22 through the connecting member 14.
  • Each armrest 13 is respectively arranged in the middle of the car body 12 along its extension direction. Therefore, fixing the on-board display assembly 21 to the corresponding armrest 13 can make full use of the space in the car body 12 and make the car body 12 More people inside watched the display screen.
  • At least one seat 16 is provided in the car body 12, and the back of the at least one seat 16 is close to the side wall of the car body 12.
  • the at least one seat 16 is provided with a baffle 15 on both sides of each seat 16.
  • the baffle 15 is arranged between the side wall of the box body 12 and the corresponding armrest 13, and is perpendicular to the side wall of the box body 12 and the armrest 13.
  • the baffle 15 is made of transparent material. Therefore, barriers can be formed on both sides of the seat 16 and the display of the vehicle-mounted display assembly 22 will not be blocked.
  • the armrest 13 is of a hollow structure
  • the connecting member 14 connected to the armrest 13 is also of a hollow structure (for example, a through hole is provided inside).
  • the two ends of the armrest 13 are respectively connected to the top and bottom of the compartment 12 (that is, arranged vertically), or the armrest 13 has a certain shape and curvature. Some embodiments of the present disclosure do not limit this.
  • a part of the connection line between the vehicle control device 21 and the vehicle display assembly 22 is located in the armrest 13 corresponding to the vehicle display assembly 22, and a part of the connection line is located in the housing 11 and Between the compartments 12, there is also a part of the connecting line located in the connecting piece 14.
  • a part of the connecting lines between the on-board control device 21 and the on-board display assembly 22 are located in the armrest 13 corresponding to the on-board display assembly 22, and the remaining part of the connecting lines are located in the connecting piece 14.
  • connection line between the vehicle control device 21 and the vehicle display assembly 22, avoid the exposure of the connection line, improve the aesthetics of the interior of the car body 12, and can be connected
  • the wire plays a protective role, thereby improving the safety of signal transmission.
  • S200 of the on-board display control method further includes: the on-board control device 21 transmits the relay data signal to the signal conversion circuit 221 of the corresponding on-board display component 22 in a wireless transmission manner.
  • the vehicle-mounted control device 21 is electrically connected to the corresponding vehicle-mounted display assembly 22 through electrical signals.
  • the vehicle control device 21 also includes an HDMI wireless transmission module, which is electrically connected to the processor 210 of the vehicle control device 21 and the signal conversion circuit 221 corresponding to the vehicle display component 22, so as to realize the vehicle control device 21 Wireless communication of HDMI format signals with the in-vehicle display module 22.
  • the on-board control device 21 includes at least two signal output interfaces, and the on-board control device 21 further includes: a first distribution circuit 211, which is electrically connected to the processor 210 and at least two signal output interfaces.
  • the first distribution circuit 211 is configured to copy the relay data signal into at least two relay data signals, and transmit the at least two relay data signals to the two signal output interfaces in a one-to-one correspondence.
  • S200 of the on-vehicle display control method further includes: S210.
  • the first distribution circuit 211 copies the relay data signal into at least two relay data signals, and transmits the at least two relay data signals to the signal conversion circuits 221 of the at least two vehicle display components 22 in a one-to-one correspondence.
  • one vehicle control device 21 can control at least two vehicle display components 22, and the number of vehicle control devices 21 can be reduced, thereby effectively reducing deployment costs.
  • the first distribution circuit 211 uses a chip as a carrier, and the chip model of the first distribution circuit 211 is set differently according to actual needs, so that the first distribution circuit 211 can be copied into different numbers of relay data signals (such as HDMI format). Signal) and output to meet the different requirements of the vehicle-mounted control device 21 on the number of signal output channels under different working conditions.
  • the chip model of the first distribution circuit 211 is IT6661.
  • the vehicle control device 21 further includes a second distribution circuit 212, and the second distribution circuit 212 is electrically connected to the processor 210 and at least one signal input interface.
  • the second distribution circuit 212 is configured to copy the signal to be displayed into at least two signals to be displayed, and transmit one signal to be displayed of the at least two signals to be displayed to the processor 210.
  • S210 before the S210, it further includes: S201 to S202.
  • the second distribution circuit 212 copies the signal to be displayed into at least two signals to be displayed.
  • the vehicle-mounted control device 21 converts one of the at least two to-be-displayed signals into a relay data signal.
  • the second distribution circuit 212 is used to copy the to-be-displayed signal into at least two to-be-displayed signals. Then, one of the at least two to-be-displayed signals is transmitted to the processor 210 for conversion, and the at least two to-be-displayed signals are transferred to the processor 210 for conversion. The remaining unconverted signals to be displayed in the signals to be displayed are reserved as backup signals. For example, the backup signals can be transmitted to the cascaded vehicle control device 21, thereby improving the flexibility of signal deployment and reducing equipment deployment the cost of.
  • the second distribution circuit 212 uses a chip as a carrier, and the chip model of the second distribution circuit 212 is set differently according to actual needs, so that the second distribution circuit 212 can be copied into different numbers of relay data signals (such as HDMI format). Signal) and output to meet the different requirements of the vehicle-mounted control device 21 on the number of signal output channels under different working conditions.
  • the chip model of the second distribution circuit 212 is selected as RTL8306M, the second distribution circuit 212 can loop out four signals to be displayed at the same time.
  • the number of on-board control devices 21 is at least two, and at least two on-board control devices 21 are cascaded.
  • the second distribution circuit 212 of each of the at least two in-vehicle control devices 21 is electrically connected to the next-level in-vehicle control device 21.
  • the vehicle-mounted display control method further includes: transmitting the unconverted signal to be displayed among the at least two channels of to-be-displayed signals to the next-level vehicle-mounted control device 21 cascaded therewith.
  • next-level vehicle-mounted control device 21 cascaded with the vehicle-mounted control device 21 also has the next-level vehicle-mounted control device 21, the second distribution circuit 212 of the vehicle-mounted control device 21 and It is electrically connected to the second distribution circuit 212 of the cascaded next-level on-board control device 21; if the next-level on-board control device 21 cascaded with the on-board control device 21 does not have the next-level on-board control device 21 (for example, The next-level in-vehicle control device 21 is the last-level in-vehicle control device 21), and the second distribution circuit 212 of the in-vehicle control device 21 is electrically connected to the next-level in-vehicle control device 21 cascaded therewith.
  • the vehicle-mounted control device 21 transmits the standby signal as the signal to be displayed to the next-stage vehicle-mounted control device 21 in the cascade, that is, all vehicle-mounted control devices are not required.
  • the devices 21 are directly connected to the signal source, which can effectively reduce wiring and reduce the complexity of the equipment, thereby reducing the cost.
  • the vehicle control device 21 further includes a universal serial bus (Universal Serial Bus, USB) interface module 213, the USB interface module 213 and the processor 210 and a USB interface (not shown in the figure) ) Electrical connection, through the USB interface module 213 and the USB interface, the storage and export of system files and the upgrade and update of the vehicle control device 21 can be realized.
  • the system file is stored in a U disk, and the U disk is inserted into its USB interface when the vehicle control device 21 is turned off.
  • the processor 210 can read the system files in the U disk and write the system files into the memory of the on-board control device 21, thereby completing the upgrade and update of the on-board control device 21.
  • the on-board control device 21 further includes a reset circuit 214.
  • the reset circuit 214 is electrically connected to the processor 210 and the reset switch.
  • the reset circuit 214 can realize the on-board operation by turning the reset switch on and off.
  • the control device 21 is reset, so that the on-board control device 21 can be restarted when an abnormality occurs.
  • the vehicle control device 21 further includes a buzzer interface module 215, which is electrically connected to the processor 210 and the buzzer.
  • the buzzer interface module 215 is configured to drive the buzzer to report errors through different alarms when a fault occurs, so that the fault type can be judged and maintenance and debugging can be easily performed.
  • the in-vehicle control device 21 uses a chip carrier, such as a System-on-a-chip (SoC), that is, integrates various functional modules on a single chip.
  • SoC System-on-a-chip
  • the degree of integration of the on-board control device 21 is higher, and the volume of the on-board control device 21 can be reduced.
  • the vehicle-mounted display assembly 22 includes: a signal conversion circuit 221 and at least one display screen 222.
  • the signal conversion circuit 221 is electrically connected to the at least one display screen 222.
  • the signal conversion circuit 221 is configured to receive the relay data signal transmitted by the corresponding in-vehicle control device 21, convert the relay data signal into a display drive signal, and output the display drive signal to the at least one display screen 222 to drive at least one The display 222 shows.
  • FIG. 7 uses a display screen 222 as an example.
  • the signal format of the display driving signal is LVDS format, MIPI format, EDP format, etc.
  • Some embodiments of the present disclosure do not limit the specific signal format of the display driving signal, as long as the display driving signal can drive the display screen 222 to display.
  • the vehicle-mounted display assembly 22 further includes: at least one signal input interface, and the at least one signal input interface is electrically connected to the signal conversion circuit 221.
  • the signal conversion circuit 221 receives the relay data signal transmitted by the in-vehicle control device 21 through the signal input interface.
  • the vehicle-mounted display component 22 includes at least two display screens 222, and the vehicle-mounted display component 22 further includes a third distribution circuit 223.
  • the third distribution circuit 223 is electrically connected to the signal conversion circuit 221 and the display screen 222.
  • the third distribution circuit 223 is configured to copy the display drive signal into at least two display drive signals, and transmit the at least two display drive signals to the at least two display screens 222 in a one-to-one correspondence.
  • S300 further includes: S310-S320.
  • the signal conversion circuit 221 outputs the display driving signal to the third distribution circuit 223;
  • the third distribution circuit 223 copies the display drive signal into at least two display drive signals, and transmits the at least two display drive signals to the at least two display screens 222 of the vehicle display assembly 22 in a one-to-one correspondence.
  • the third distribution circuit 223 is used to replicate the display driving signal, so that one signal conversion circuit 221 can transmit the display driving signal to at least two display screens 222, and the number of signal conversion circuits 221 can be reduced, thereby effectively reducing deployment costs.
  • the third distribution circuit 223 uses a chip as a carrier, and the chip model of the third distribution circuit 223 is set differently according to actual needs, so that the third distribution circuit 223 can be copied into different numbers of relay data signals (such as HDMI format). Signal) and output to meet the different requirements of the vehicle-mounted display component 22 on the number of signal output channels under different working conditions.
  • the chip model of the third distribution circuit 223 is STDP4320.
  • the display screen 222 further includes a display panel and a screen driving circuit electrically connected to the display panel.
  • the screen drive circuit is configured to convert the display drive signal into a screen drive signal, and send the screen drive signal to the display panel to drive the display panel to display.
  • the screen driving signal is a control signal, a timing signal, a scan driving signal, a data driving signal, etc. that can be recognized by the display panel.
  • each two display screens 222 of the at least two display screens 222 are arranged back to back, and each display screen 222 is a liquid crystal display screen, so that double-sided display can be realized for the More people watch.
  • the signal conversion circuit 221, the third distribution circuit 223, or the at least one display screen 222 are integrated.
  • the signal conversion circuit 221 and the third distribution circuit 223 are integrated and arranged, that is, the signal conversion circuit 221 and the third distribution circuit 223 can be integrated on the same circuit board or arranged in the same housing structure; or, the signal conversion circuit 221 and At least one display screen 222 is integrated and arranged, that is, the signal conversion circuit 221 is arranged in the housing structure of the integrated display screen 222; or, at least one display screen 222 is integrated and arranged with the third distribution circuit 223, and the first
  • the three distribution circuit 223 is arranged in the housing structure of the display screen 222 integrated therewith; or, the signal conversion circuit 221, at least one display screen 222, and the third distribution circuit 223 are integrated and arranged, so that the signal conversion circuit 221 and the third distribution circuit 223 can be integrated.
  • the circuit 223 is arranged in the housing mechanism of the display screen 222 integrated with the above two.
  • applying the vehicle control device 21 and the vehicle display component 22 to the vehicle display system 2 can implement the application of the vehicle display control method in some embodiments of the present disclosure, so that the display image of the vehicle display system 2 is clearer.
  • the application of the vehicle-mounted display system in a vehicle makes the multimedia function of the vehicle more perfect, and the image display effect is better, the space utilization rate is higher, and the appearance is more beautiful.
  • the transportation means may be, but not limited to, rail transportation means such as subways and light rails.

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Abstract

一种车载显示控制方法，包括：车载控制装置（21）接收信号源发送的待显示信号；车载控制装置（21）将待显示信号转换为中继数据信号，并将中继数据信号传输至对应的车载显示组件（22）的信号转换电路（221）；信号转换电路（221）将中继数据信号转换为显示驱动信号，并将显示驱动信号输出至车载显示组件（22）的至少一个显示屏（222），以驱动至少一个显示屏（222）显示；其中，车体（1）包括壳体（11）以及位于壳体（11）内的厢体（12），车载控制装置（21）位于厢体（12）与壳体（11）之间，车载显示组件（22）位于厢体（12）内。

Description

车载显示控制方法及车载控制装置、车载显示组件 技术领域
本公开涉及显示技术领域，尤其涉及一种车载显示控制方法及车载控制装置、车载显示组件。
背景技术
轨道交通工具作为一种公共交通工具，具有较大的客运量，能够为城市的交通发展起到重要作用。在轨道交通工具的车厢内安装显示***，能够利用该显示***为乘客显示图片影像信息，以提高乘客的乘车体验。
发明内容
一方面，提供一种车载显示控制方法，包括：车载控制装置接收信号源发送的待显示信号；车载控制装置将所述待显示信号转换为中继数据信号，并将所述中继数据信号传输至对应的车载显示组件的信号转换电路；所述信号转换电路将所述中继数据信号转换为显示驱动信号，并将所述显示驱动信号输出至所述车载显示组件的至少一个显示屏，以驱动所述至少一个显示屏显示。其中，车体包括壳体以及位于所述壳体内的厢体，所述车载控制装置位于所述厢体与所述壳体之间，所述车载显示组件位于所述厢体内。
在一些实施例在中，所述车载控制装置将待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路，包括：
所述车载控制装置将所述中继数据信号以有线传输或无线传输的方式，传输至对应的所述车载显示组件的所述信号转换电路。
在一些实施例在中，所述车载显示组件的数量为至少两个，所述车载控制装置与至少两个所述车载显示组件对应，所述车载控制装置包括第一分配电路。所述车载控制装置将待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路，还包括：
所述第一分配电路将所述中继数据信号复制为至少两路中继数据信号，并将所述至少两路中继数据信号一一对应地传输至至少两个所述车载显示组件的信号转换电路。
在一些实施例在中，所述车载控制装置包括第二分配电路。所述车载显示控制方法，还包括：所述第二分配电路将所述待显示信号复制为至少两路待显示信号；所述车载控制装置将所述至少两路待显示信号中的一路待显示信号转换为所述中继数据信 号。
在一些实施例在中，所述车载控制装置的数量为至少两个，且所述至少两个车载控制装置级联，所述至少两个车载控制装置中每个车载控制装置的第二分配电路还与下一级车载控制装置电联接。
所述车载显示控制方法，还包括：将所述至少两路待显示信号中未被转换的待显示信号传输至与其级联的下一级车载控制装置中的第二分配电路。
在一些实施例在中，所述至少一个显示屏包括至少两个显示屏，所述车载显示组件还包括第三分配电路。所述信号转换电路将所述显示驱动信号输出至对应的所述车载显示组件的至少一个显示屏，还包括：
所述信号转换电路将所述显示驱动信号输出至所述第三分配电路；
所述第三分配电路将所述显示驱动信号复制为至少两路显示驱动信号，并将所述至少两路显示驱动信号一一对应地传输至所述车载显示组件的至少两个显示屏。
在一些实施例中，所述中继数据信号包括HDMI格式信号、DVI格式信号或者DP格式信号中的一种。
另一方面，提供一种车载控制装置，包括：
至少一个信号输入接口，所述至少一个信号输入接口配置为接收待显示信号；处理器，所述处理器与所述至少一个信号输入接口电联接，并配置为将所述待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路；以及，至少一个信号输出接口，所述至少一个信号输出接口与所述处理器电联接，并配置为传输所述中继数据信号。
在一些实施例在中，所述至少一个信号输出接口包括至少两个信号输出接口。所述车载控制装置，还包括：第一分配电路，所述第一分配电路与所述处理器以及所述至少两个信号输出接口电联接，所述第一分配电路配置为将所述中继数据信号复制为至少两路中继数据信号，并将所述至少两路中继数据信号一一对应地传输至所述至少两个信号输出接口。
在一些实施例在中，所述车载控制装置，还包括：第二分配电路，所述第二分配电路与所述处理器以及所述至少一个信号输入接口电联接，所述第二分配电路配置为将所述待显示信号复制为至少两路待显示信号，并将所述至少两路待显示信号中的一路待显示信号传输至所述处理器。
另一方面，提供一种车载显示组件，包括：至少一个显示屏；以及，信号转换电路。所述信号转换电路与所述至少一个显示屏电联接，所述信号转换电路配置为接收对应车载控制装置传输的中继数据信号，以及将所述中继数据信号转换为显示驱动信 号，并将所述显示驱动信号输出至所述至少一个显示屏，以驱动所述至少一个显示屏显示。
在一些实施例在中，所述至少一个显示屏包括至少两个显示屏。所述车载显示组件，还包括：第三分配电路，所述第三分配电路与所述信号转换电路以及所述至少两个显示屏电联接，所述第三分配电路配置为将所述显示驱动信号复制为至少两路显示驱动信号，并将所述至少两路显示驱动信号一一对应地传输至所述至少两个显示屏。
在一些实施例在中，所述信号转换电路、所述第三分配电路或所述至少一个显示屏中的至少两者一体集成。
另一方面，提供一种车载显示***，包括：如上任一些实施例所述的车载控制装置，所述车载控制装置设置于车体的厢体与所述车体的壳体之间；在所述车载控制装置的数量为至少两个的情况下，至少两个所述车载控制装置级联；以及如上任一些实施例所述的车载显示组件，所述车载显示组件设置于所述厢体内并与对应的所述车载控制装置电联接。
在一些实施例在中，所述车载显示***，还包括：电源管理模块。所述电源管理模块与至少一个所述车载控制装置以及至少一个所述车载显示组件电联接。
又一方面，提供一种交通工具，包括：车体，所述车体包括壳体以及设置于所述壳体内部的厢体；以及，设置于所述车体内的如上任一些实施例所述的车载显示***。
在一些实施例在中，所述车载显示组件通过连接线与对应的所述车载控制装置电联接，所述连接线的至少部分位于所述厢体与所述壳体之间。
在一些实施例在中，所述厢体内设置有至少一个扶手；所述车载显示***中的至少一个所述车载显示组件设置于所述至少一个扶手中对应的扶手上。在所述车载显示组件通过连接线与对应的所述车载控制装置电联接的情况下，
所述连接线的至少部分位于所述车载显示组件对应的所述扶手内；
和/或，所述连接线的至少部分位于所述厢体与所述壳体之间。
附图说明
为了更清楚地说明本公开一些实施例中的技术方案，下面将对一些实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为根据本公开一些实施例中的一种交通工具的示意图；
图2为图1所示的交通工具的AA截面的一种示意图；
图3为图1所示的交通工具的AA截面的另一种示意图的局部视图；
图4为根据本公开一些实施例中的一种车载显示***的示意图；
图5为根据本公开一些实施例中的一种车载显示控制方法的流程示意图；
图6为根据本公开一些实施例中的一种车载控制装置的示意图；
图7为根据本公开一些实施例中的另一种车载显示***的示意图；
图8为根据本公开一些实施例中的又一种车载显示***的示意图；
图9为根据本公开一些实施例中的又一种车载显示控制方法的流程示意图；
图10为根据本公开一些实施例中的又一种车载显示***的示意图；
图11为根据本公开一些实施例中的又一种车载显示控制方法的流程示意图；
图12为根据本公开一些实施例中的另一种车载控制装置的示意图；
图13为根据本公开一些实施例中的又一种车载显示***的示意图；
图14为根据本公开一些实施例中的又一种车载显示控制方法的流程示意图。
具体实施方式
下面将结合本公开一些实施例中的附图，对本公开一些实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的一些实施例，本领域普通技术人员所能获得的所有其他实施例，都属于本公开保护的范围。
随着社会的发展和科技的进步，人们对应用于轨道交通工具中的车载显示***提出了更高性能和更多样化的要求，例如要求多媒体的功能更加完善、图像显示更加清晰、外观更加美观以及空间利用率更高等。
在一些实施例中，提供一种交通工具，如图1所示，所述交通工具包括车体1以及设置于车体1内部的车载显示***(图中未示出)。车载显示***设置于车体1内的用于载客的厢体内。车载显示***包括控制装置和显示组件，控制装置与显示组件电联接。控制装置与显示组件集成设置为一体式结构。控制装置向显示组件传输数据信号以实现显示组件的显示，其中，数据信号的格式为LVDS(Low Voltage Differential Signaling，低压差分信号)格式、MIPI(Mobile Industry Processor Interface，移动行业处理器接口)格式或EDP(Embedded Display Port，嵌入式显示端口)格式。此处，控制装置与显示组件采用集成式设置，使得控制装置与显示组件之间的距离较近，有利于控制装置与显示组件之间的信号传输。然而，控制装置与显示组件采用集成式设置导致车载显示***占据厢体内较大空间；另外，控制装置具有信号转换和信号传输的功能之外，还具有播放音频、外设接口等功能，上述各功能对应的硬件结构都具有一定体积，从而使得控制装置的体积较大，进而导致车载显示***体积较大，并占据厢体内较大的空间，影响厢体内的美观性。
基于此，本公开提供一种交通工具，如图2所示，所述交通工具包括车体1以及设置于车体1内部的车载显示***2。车体1包括壳体11以及设置于壳体11内部的厢体12。交通工具的厢体12包括至少一节车厢。
在一些实施例中，如图2所示，车载显示***2包括至少一个车载控制装置21，以及与每个车载控制装置21对应电联接的至少一个车载显示组件22。每个车载控制装置21配置为控制对应的车载显示组件22显示。车载控制装置21位于壳体11与厢体12之间，车载显示组件22位于厢体12内。
示例性的，每一节车厢内对应设置一个车载控制装置21；或者，每一节车厢内对应设置多个车载控制装置21。本公开一些实施例对车载控制装置21的数量以及车载控制装置21与车厢的对应关系不作限定。此外，一个车载控制装置21与一个车载显示组件22对应；或者，一个车载控制装置21与多个车载显示组件22对应。本公开一些实施例对车载控制装置21和车载显示组件22的数量、以及车载控制装置21与车载显示组件22之间的对应关系不作限定。
在一些实施例中，如图4所示，车载显示***2，还包括：电源24以及电源管理模块23，电源管理模块23分别与电源、至少一个车载控制装置21以及至少一个车载显示组件22电联接。电源管理模块23配置用于将电源的电源信号有效分配至车载控制装置21以及车载显示组件22。
在一些实施例中，如图2所示，该车载显示***还包括扬声器25，该扬声器25包括出声口。该扬声器25设置于厢体12的顶部和车体1的壳体11之间，该扬声器25的出声口朝向厢体12设置。基于此，能够增大扬声器25的音频辐射范围，避免离得近的乘客声音太大被打扰，离得远的乘客音频辐射受到过多的阻碍。该扬声器25与车载控制装置21电联接。车载控制装置21向扬声器25提供音频控制信号，从而可以实现显示画面的同时，同步进行音频播放。
在一些实施例中，如图2所示，车载控制装置21位于壳体11与厢体12之间，并且与该车载控制装置21对应的车载显示组件22位于厢体12内。这也就是说，将车载显示***2中的车载控制装置21和车载显示组件22分体设置，并将车载控制装置21设置在厢体12外，可以有效利用车体1内的空间，使得车载显示***2在厢体内的可见部分更加轻薄，从而提高厢体12内的美观性。
此处，车载控制装置21与车载显示组件22之间存在一定距离，例如，车载控制装置21与对应的车载显示组件22之间的信号传输距离大于2米。在此情况下，若采用LVDS格式信号、MIPI格式信号或EDP格式信号作为车载控制装置21和对应的车载显示组件22之间的传输信号，容易导致车载控制装置21和车载显示组件22之间的 信号传输不稳定，从而使得车载显示组件22的图像显示效果较差，例如出现车载显示组件22的图像显示不清晰等问题。
基于此，如图5所示，本公开一些实施例提供一种车载显示控制方法，包括S100～S300。
S100：车载控制装置21接收信号源发送的待显示信号。
S200：车载控制装置21将待显示信号转换为中继数据信号，并将中继数据信号传输至对应的显示组件22的信号转换电路221。
所述待显示信号通常由信号源提供。车载控制装置21与信号源电联接，以接收待显示信号，并将该待显示信号以中继数据信号传输至对应的车载显示组件22中。
此处，中继数据信号为可以远距离(大于或等于两米)传输且数据传输质量好的视频信号，其中，视频信号为电视信号、静止图象信号或可视电视图像信号。例如，中继数据信号为DVI(Digital Visual Interface，数字视频接口)格式信号、HDMI(High Definition Multimedia Interface，高清晰度多媒体接口)格式信号或DP(Display Port，显示接口)格式信号。本公开一些实施例对中继数据信号的信号格式的类型不作限定，以中继数据信号能够实现高质远距离传输以供车载显示组件22显示为限。
此处，本公开一些实施例以中继数据信号是HDMI格式信号为例进行说明。HDMI格式信号即高清晰度多媒体接口格式信号，是一种适用于影像传输的全数字化视频和音频发送接口的格式的信号，可同时传送未压缩的高清晰度视频和多声道音频信号，并且具有易用、智能化的特点。
S300：信号转换电路221将中继数据信号转换为显示驱动信号，并将显示驱动信号输出至车载显示组件22的至少一个显示屏222，以驱动至少一个显示屏222显示。
在一些示例中，车载控制装置21和车载显示组件22之间利用HDMI格式信号进行信号传输，可以有效避免由于车载控制装置21与车载显示组件22间距过大而使得待显示信号产生较大的信号衰减，从而能够确保实现远距离的无损、高清、高质传输，使得厢体12内车载显示组件22较好的实现多媒体功能，也即确保车载显示组件22中的显示屏222能够呈现出更加清晰的显示图像。
在一些实施例中，如图6所示，车载控制装置21，包括：处理器210以及与处理器210电联接的至少一个信号输入接口，其中，该至少一个信号输入接口配置为接收待显示信号。车载控制装置21的各信号输入接口接收待显示信号后，其处理器210能够将待显示信号以中继数据信号传输至对应的车载显示组件22的信号转换电路221。
此外，如图7所示，车载控制装置21还包括：与处理器210电联接的至少一个信号输出接口，其中，该至少一个信号输出接口配置为传输中继数据信号。
示例的，在待显示信号为HDMI格式信号的情况下，处理器210将HDMI格式信号通过各信号输出接口直接传输至车载显示组件22的信号转换电路221。在待显示信号非HDMI格式信号的情况下，处理器210将待显示信号转换为HDMI格式信号，再将转换的HDMI格式信号通过各信号输出接口传输至对应的车载显示组件22的信号转换电路221。
由此，本公开一些实施例对信号源及其提供的待显示信号的类型不作限定。
在一些示例中，信号源为电脑(PC机)或者广告机播放盒，在此情况下，信号源提供的待显示信号可以直接为HDMI格式信号。
在另一些示例中，信号源为车载广播***，在此情况下，信号源提供的待显示信号为以太网信号，也即非HDMI格式信号。利用以太网信号作为待显示信号，可以使得待显示信号的发送过程简单、成本低，且可扩展性强。
这也就是说，无论信号源选择何种信息发布***(例如PC机、广告机播放盒或者车载广播***)，也无论信号源提供的待显示信号为HDMI格式信号或非HDMI格式信号，车载控制装置21均能将待显示信号以HDMI格式信号传输至对应的车载显示组件22的信号转换电路221。
此外，在一些实施例中，能够由信号源直接输出的HDMI格式信号不通过车载控制装置21而直接发送至车载显示组件22的信号转换电路221，使得车载显示组件22可以脱离车载控制装置21的控制而作为通用显示终端使用，从而实现车载显示组件22在脱离车载控制装置21的情况下的演示功能，并且易于实现单独对车载显示组件22进行调试。在一些实施例中，车载显示控制方法的S200，还包括：车载控制装置21将中继数据信号以有线传输的方式，传输至对应的车载显示组件22的信号转换电路221。
示例的，车载控制装置21通过连接线与对应的车载显示组件22电联接。如图2所示，车载控制装置21位于车顶位置的壳体11与厢体12之间，车载显示组件22位于厢体12内，并且车载显示组件22通过连接件14固定在厢体12的内壁上。基于此，车载控制装置21与车载显示组件22之间的连接线的一部分位于壳体11和厢体12之间，其余部分的连接线位于连接件14内。此外，在车载显示组件22不通过连接件14而直接固定在厢体12的内壁的情况下，车载控制装置21与车载显示组件22之间的连接线的全部位于壳体11和厢体12之间。从而实现了对车载控制装置21与车载显示组件22之间的连接线的隐匿式设置，避免了连接线外露，提高了厢体12内部的美观性，并且可以对连接线起到保护作用，从而提高信号传输的安全性。
在一些示例中，如图2所示，厢体12内设置至少一个扶手13。至少一个扶手13 中的每个扶手13的一端与厢体12的侧部连接，另一端沿远离地面的方向竖直向上延伸并与厢体12的顶部连接。车载显示组件22设置于厢体12与扶手13之间，并通过连接件14固定连接在与车载显示组件22对应的扶手13上。各扶手13分别设置于厢体12内对应车厢沿其延伸方向的中部，因此，将车载显示组件21固定连接在对应的扶手13上，可以充分利用厢体12内的空间，并且使厢体12内的更多的人观看到显示画面。
示例的，如图2所示，厢体12内设置至少一个座椅16，该至少一个座椅16的椅背靠近厢体12的侧壁。该至少一个座椅16中的每个座椅16两侧设置有挡板15。挡板15设置于厢体12的侧壁与对应的扶手13之间，并垂直于厢体12的侧壁与扶手13。挡板15采用透明材质。从而能够在座椅16两侧形成隔挡，并且不会对车载显示组件22的显示造成遮挡。
示例的，如图3所示，扶手13为中空结构，并且与该扶手13连接的连接件14也呈中空结构(例如其内部设有通孔)。此外，可选的，扶手13的两端分别与厢体12的顶部和底部对应连接(即垂直设置)，或者，扶手13具有一定的造型和曲度。本公开一些实施例对此不作限定。
基于此，在一些示例中，如图3所示，车载控制装置21和车载显示组件22之间的一部分的连接线位于车载显示组件22对应的扶手13内，一部分的连接线位于壳体11和厢体12之间，还有一部分的连接线位于连接件14内。在另一些示例中，车载控制装置21和车载显示组件22之间的一部分的连接线位于车载显示组件22对应的扶手13内，其余部分的连接线位于连接件14内。可见，本公开的一些实施例实现了对车载控制装置21和车载显示组件22之间的连接线的隐藏式设置，避免了连接线外露，提高了厢体12内部的美观性，并且可以对连接线起到保护作用，从而提高信号传输的安全性。
在另一些实施例中，车载显示控制方法的S200，还包括：车载控制装置21将中继数据信号以无线传输的方式，传输至对应的车载显示组件22的信号转换电路221。
示例的，车载控制装置21通过电信号与对应的车载显示组件22电联接。在此情况下，车载控制装置21还包括HDMI无线传输模块，该HDMI无线传输模块与车载控制装置21的处理器210以及对应车载显示组件22的信号转换电路221电联接，能够实现车载控制装置21与车载显示组件22之间的HDMI格式信号的无线通信。
在一些实施例中，车载控制装置21包括至少两个信号输出接口，车载控制装置21还包括：第一分配电路211，第一分配电路211与处理器210以及至少两个信号输出接口电联接。第一分配电路211配置为将中继数据信号复制为至少两路中继数据信 号，并将所述至少两路中继数据信号一一对应地传输至所述两个信号输出接口。
在此情况下，如图9所示，所述车载显示控制方法的S200，还包括：S210。
S210：第一分配电路211将中继数据信号复制为至少两路中继数据信号，并将至少两路中继数据信号一一对应地传输至至少两个车载显示组件22的信号转换电路221。
示例的，利用第一分配电路211对HDMI格式信号进行复制，可以实现一个车载控制装置21控制至少两个车载显示组件22，可以减少车载控制装置21的数量，从而有效降低部署成本。
示例的，第一分配电路211以芯片为载体，对第一分配电路211的芯片型号根据实际需求作不同设置，可使第一分配电路211复制为不同路数的中继数据信号(例如HDMI格式信号)并输出，以适应车载控制装置21在不同工况下对信号输出的路数的不同要求。例如，第一分配电路211的芯片型号为IT6661。
在一些实施例中，如图10所示，车载控制装置21还包括第二分配电路212，第二分配电路212与处理器210以及至少一个信号输入接口电联接。第二分配电路212配置为将待显示信号复制为至少两路待显示信号，并将所述至少两路待显示信号中的一路待显示信号传输至处理器210。
在此情况下，如图11所示，在所述S210之前，还包括：S201～S202。
S201：第二分配电路212将待显示信号复制为至少两路待显示信号。
S202：车载控制装置21将至少两路待显示信号中的一路待显示信号转换为中继数据信号。
此处，利用第二分配电路212将待显示信号复制为至少两路待显示信号，然后，将至少两路待显示信号中的一路待显示信号传输至处理器210进行转换，并将至少两路待显示信号中的其余路未被转换的待显示信号作为备用信号进行预留，例如，可将备用信号传输至级联的车载控制装置21，从而可以提高信号部署的灵活性，并且降低设备部署的成本。
示例的，第二分配电路212以芯片为载体，对第二分配电路212的芯片型号根据实际需求作不同设置，可使第二分配电路212复制为不同路数的中继数据信号(例如HDMI格式信号)并输出，以适应车载控制装置21在不同工况下对信号输出的路数的不同要求。例如，选择第二分配电路212的芯片型号为RTL8306M时，第二分配电路212可同时环出四路待显示信号。
在一些实施例中，如图10所示，车载控制装置21的数量为至少两个，且至少两个车载控制装置21级联。至少两个车载控制装置21中的每个车载控制装置21的第二分配电路212与下一级车载控制装置21电联接。
在此情况下，车载显示控制方法，还包括：将所述至少两路待显示信号中未被转换的待显示信号传输至与其级联的下一级车载控制装置21。
此处，需要指出的是，若与车载控制装置21级联的下一级车载控制装置21还具有再下一级的车载控制装置21，则所述车载控制装置21的第二分配电路212和与级联的下一级车载控制装置21的第二分配电路212电联接；若与车载控制装置21级联的下一级车载控制装置21不具有再下一级的车载控制装置21(例如所述下一级车载控制装置21为最后一级车载控制装置21)，则所述车载控制装置21的第二分配电路212和与其级联的下一级车载控制装置21电联接。
此处，在车载控制装置21的数量为两个或多于两个时，车载控制装置21将备用信号作为待显示信号传输至级联的下一级车载控制装置21，即不需要所有车载控制装置21均与信号源直接连接，从而可以有效减少布线，并且降低设备的复杂性，进而降低成本。
在一些实施例中，如图12所示，车载控制装置21还包括通用串行总线(Universal Serial Bus，USB)接口模块213，USB接口模块213与处理器210以及USB接口(图中未示出)电联接，通过USB接口模块213以及USB接口能够实现***文件的存入和导出以及对车载控制装置21的升级更新。例如，将***文件存入U盘中，在车载控制装置21关机的状态下，将U盘***其USB接口。在车载控制装置21开机后，处理器210可读取U盘中的***文件，并将***文件写入车载控制装置21的内存中，从而完成对车载控制装置21的升级更新。
在一些实施例中，如图12所示，车载控制装置21还包括复位电路214，复位电路214与处理器210以及复位开关电联接，通过对复位开关进行通断操作，复位电路214可以实现车载控制装置21的复位，从而在出现异常时可以实现对车载控制装置21的重启。
在一些实施例中，如图12所示，车载控制装置21还包括蜂鸣器接口模块215，蜂鸣器接口模块215与处理器210以及蜂鸣器电联接。蜂鸣器接口模块215配置为故障时驱动蜂鸣器通过不同的报警进行报错，从而可以判断故障类型，易于进行维修调试。
此外，在一些示例中，车载控制装置21以芯片载体，例如片上***(System-on-a-chip，SoC)，也即，在单个芯片上集成各功能模块。从而使得车载控制装置21的集成化程度更高，从而可以减小车载控制装置21的体积。
在一些实施例中，如图7所示，车载显示组件22，包括：信号转换电路221以及至少一个显示屏222。信号转换电路221与所述至少一个显示屏222电联接。信号转 换电路221配置为接收对应车载控制装置21传输的中继数据信号，以及将中继数据信号转换为显示驱动信号，并将显示驱动信号输出至所述至少一个显示屏222，以驱动至少一个显示屏222显示。此处，图7以一个显示屏222为例示意。
示例的，显示驱动信号的信号格式为LVDS格式、MIPI格式或EDP格式等，本公开一些实施例对显示驱动信号的具体信号格式不作限定，以显示驱动信号能够驱动显示屏222显示为限。
在一些实施例中，车载显示组件22，还包括：至少一个信号输入接口，至少一个信号输入接口与信号转换电路221电联接。信号转换电路221通过信号输入接口接收车载控制装置21传输的中继数据信号。
在一些实施例中，如图13所示，车载显示组件22包括至少两个显示屏222，车载显示组件22还包括：第三分配电路223。第三分配电路223与信号转换电路221以及显示屏222电联接。第三分配电路223配置为将显示驱动信号复制为至少两路显示驱动信号，并将所述至少两路显示驱动信号一一对应地传输至至少两个显示屏222。
在此情况下，如图14所示，S300还包括：S310～S320。
S310：信号转换电路221将显示驱动信号输出至第三分配电路223；
S320：第三分配电路223将显示驱动信号复制为至少两路显示驱动信号，并将至少两路显示驱动信号一一对应地传输至车载显示组件22的至少两个显示屏222。
此处，利用第三分配电路223对显示驱动信号进行复制，可以实现一个信号转换电路221向至少两个显示屏222传输显示驱动信号，可以减少信号转换电路221的数量，从而有效降低部署成本。
示例的，第三分配电路223以芯片为载体，对第三分配电路223的芯片型号根据实际需求作不同设置，可使第三分配电路223复制为不同路数的中继数据信号(例如HDMI格式信号)并输出，以适应车载显示组件22在不同工况下对信号输出的路数的不同要求。例如，第三分配电路223的芯片型号为STDP4320。
在一些实施例中，显示屏222还包括：显示面板以及与显示面板电联接的屏驱动电路。屏驱动电路配置为将显示驱动信号转换为屏驱动信号，并将屏驱动信号发送至显示面板，以驱动显示面板显示。例如，屏驱动信号为显示面板可以识别的控制信号、时序信号、扫描驱动信号、数据驱动信号等。
在一些实施例中，所述至少两个显示屏222中的每两个显示屏222背对背设置，且每个显示屏222为液晶显示屏，从而可以实现双面显示，以供厢体12内的更多人观看。
在一些实施例中，信号转换电路221、第三分配电路223或至少一个显示屏222 中的至少两者一体集成。例如，信号转换电路221与第三分配电路223一体集成设置，即可将信号转换电路221与第三分配电路223集成于同一电路板上或设置于同一外壳结构内；或者，信号转换电路221与至少一个显示屏222一体集成设置，即可将信号转换电路221设置于与其集成的显示屏222的外壳结构内；或者，至少一个显示屏222与第三分配电路223一体集成设置，即可将第三分配电路223设置于与其集成的显示屏222的外壳结构内；或者，信号转换电路221、至少一个显示屏222以及第三分配电路223一体集成设置，即可将信号转换电路221、第三分配电路223设置于与上述两者集成的显示屏222的外壳机构内。从而减小了车载显示组件22的能耗和体积，且增强了车载显示组件22的可靠性。
综上，将车载控制装置21和车载显示组件22应用于车载显示***2中，可以实现应用本公开一些实施例中的车载显示控制方法，使得车载显示***2的显示图像更加清晰。将所述车载显示***应用于交通工具中，使得交通工具的多媒体功能更加完善，并且图像显示效果更好、空间利用率更高、更加美观。此处，交通工具可为但不限于地铁、轻轨等轨道交通工具。
在上述实施方式的描述中，具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所述权利要求的保护范围为准。

Claims (17)

  1. 一种车载显示控制方法，包括：
    车载控制装置接收信号源发送的待显示信号；
    车载控制装置将所述待显示信号转换为中继数据信号，并将所述中继数据信号传输至对应的车载显示组件的信号转换电路；
    所述信号转换电路将所述中继数据信号转换为显示驱动信号，并将所述显示驱动信号输出至所述车载显示组件的至少一个显示屏，以驱动所述至少一个显示屏显示；
    其中，车体包括壳体以及位于所述壳体内的厢体，所述车载控制装置位于所述厢体与所述壳体之间，所述车载显示组件位于所述厢体内。
  2. 根据权利要求1所述的车载显示控制方法，其中，
    所述车载控制装置将待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路，包括：
    所述车载控制装置将所述中继数据信号以有线传输或无线传输的方式，传输至对应的所述车载显示组件的所述信号转换电路。
  3. 根据权利要求1或2所述的车载显示控制方法，其中，所述车载显示组件的数量为至少两个，所述车载控制装置与至少两个所述车载显示组件对应，所述车载控制装置包括第一分配电路；
    所述车载控制装置将待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路，还包括：
    所述第一分配电路将所述中继数据信号复制为至少两路中继数据信号，并将所述至少两路中继数据信号一一对应地传输至至少两个所述车载显示组件的信号转换电路。
  4. 根据权利要求1～3任一项所述的车载显示控制方法，其中，所述车载控制装置包括第二分配电路；
    所述车载显示控制方法，还包括：
    所述第二分配电路将所述待显示信号复制为至少两路待显示信号；
    所述车载控制装置将所述至少两路待显示信号中的一路待显示信号转换为所述中继数据信号。
  5. 根据权利要求4所述的车载显示控制方法，其中，所述车载控制装置的数量为至少两个，且所述至少两个车载控制装置级联，所述至少两个车载控制装置中每个车载控制装置的第二分配电路还与下一级车载控制装置电联接；
    所述车载显示控制方法，还包括：
    将所述至少两路待显示信号中未被转换的待显示信号传输至与其级联的下一级车 载控制装置。
  6. 根据权利要求1～5任一项所述的车载显示控制方法，其中，所述至少一个显示屏包括至少两个显示屏，所述车载显示组件还包括第三分配电路；
    所述信号转换电路将所述显示驱动信号输出至对应的所述车载显示组件的至少一个显示屏，还包括：
    所述信号转换电路将所述显示驱动信号输出至所述第三分配电路；
    所述第三分配电路将所述显示驱动信号复制为至少两路显示驱动信号，并将所述至少两路显示驱动信号一一对应地传输至所述车载显示组件的至少两个显示屏。
  7. 根据权利要求1～6任一项所述的车载显示控制方法，所述中继数据信号包括HDMI格式信号、DVI格式信号或者DP格式信号中的一种。
  8. 一种车载控制装置，包括：
    至少一个信号输入接口，所述至少一个信号输入接口配置为接收待显示信号；
    处理器，所述处理器与所述至少一个信号输入接口电联接，并配置为将所述待显示信号以中继数据信号传输至对应的车载显示组件的信号转换电路；以及，
    至少一个信号输出接口，所述至少一个信号输出接口与所述处理器电联接，并配置为传输所述中继数据信号。
  9. 根据权利要求8所述的车载控制装置，其中，所述至少一个信号输出接口包括至少两个信号输出接口；
    所述车载控制装置，还包括：
    第一分配电路，所述第一分配电路与所述处理器以及所述至少两个信号输出接口电联接，所述第一分配电路配置为将所述中继数据信号复制为至少两路中继数据信号，并将所述至少两路中继数据信号一一对应地传输至所述至少两个信号输出接口。
  10. 根据权利要求8或9任一项所述的车载控制装置，还包括：
    第二分配电路，所述第二分配电路与所述处理器以及所述至少一个信号输入接口电联接，所述第二分配电路配置为将所述待显示信号复制为至少两路待显示信号，并将所述至少两路待显示信号中的一路待显示信号传输至所述处理器。
  11. 一种车载显示组件，包括：
    至少一个显示屏；以及，
    信号转换电路，所述信号转换电路与所述至少一个显示屏电联接，所述信号转换电路配置为接收对应车载控制装置传输的中继数据信号，以及将所述中继数据信号转换为显示驱动信号，并将所述显示驱动信号输出至所述至少一个显示屏，以驱动所述至少一个显示屏显示。
  12. 根据权利要求11所述的车载显示组件，其中，所述至少一个显示屏包括至少两个显示屏；
    所述车载显示组件，还包括：
    第三分配电路，所述第三分配电路与所述信号转换电路以及所述至少两个显示屏电联接，所述第三分配电路配置为将所述显示驱动信号复制为至少两路显示驱动信号，并将所述至少两路显示驱动信号一一对应地传输至所述至少两个显示屏。
  13. 一种车载显示***，包括：
    至少一个如权利要求8～10任一项所述的车载控制装置，所述车载控制装置设置于车体的厢体与所述车体的壳体之间；在所述车载控制装置的数量为至少两个的情况下，至少两个所述车载控制装置级联；
    以及，至少一个如权利要求11或12任一项所述的车载显示组件，所述车载显示组件设置于所述厢体内并与对应的所述车载控制装置电联接。
  14. 根据权利要求13所述的车载显示***，还包括：电源管理模块；
    所述电源管理模块与至少一个所述车载控制装置以及至少一个所述车载显示组件电联接。
  15. 一种交通工具，包括：
    车体，所述车体包括壳体以及设置于所述壳体内部的厢体；以及，
    设置于所述车体内且如权利要求13或14所述的车载显示***。
  16. 根据权利要求15所述的交通工具，其中，所述车载显示组件通过连接线与对应的所述车载控制装置电联接，所述连接线的至少部分位于所述厢体与所述壳体之间。
  17. 根据权利要求15或16所述的交通工具，其中，
    所述厢体内设置有至少一个扶手；
    所述车载显示***中的至少一个所述车载显示组件设置于所述至少一个扶手中对应的扶手上；
    在所述车载显示组件通过连接线与对应的所述车载控制装置电联接的情况下，
    所述连接线的至少部分位于所述车载显示组件对应的所述扶手内；
    和/或，所述连接线的至少部分位于所述厢体与所述壳体之间。
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