Driving system of multi-type display screen

Abstract

The utility model provides a driving system for a multi-type display screen, and the system comprises a power module which at least comprises a conversion power output end; the interface module comprises a plurality of sub-interface modules; the core board module is connected with the interface module; the video conversion module is connected with the interface module and the core board module; the video change-over switch comprises two sub-video change-over switches and is connected with the video conversion module; the audio output module is connected with the video conversion module; the serializer module is in communication connection with the video change-over switch module and is connected with the core board module, the video conversion module and the audio output module; and the processor module is connected with the video conversion module, the core board module and the video change-over switch. According to the driving system, various video stream formats can be input into the display screen, the driving system can be suitable for display screens of different types and different sizes, and the cost is remarkably saved.

Description

Technical Field

[0001] The present application relates to the field of vehicle-mounted testing, and in particular to a driving system for multiple types of display screens. Background Art

[0002] Currently, there are many types of display screens used by various car manufacturers. The video stream formats for the display screen input are also very different. The connectors are also different. For example, some use EDP signals, while others use LVDS. Connectors are also divided into single and dual coaxial connectors, differential signal connectors, etc. There are also requirements for screen size and resolution, with the mainstream being 2-8K.

[0003] Most test equipment is designed to illuminate a specific screen type, without considering various input signal formats and output video formats. Due to a lack of input interface and output signal types, it cannot be applied to screens of varying sizes and types. This failure to achieve universal design results in significant cost savings. Utility Model Content

[0004] To solve the above technical problems, the present application provides a driving system for multiple types of display screens, which can realize the input of multiple video stream formats into the display screen, can be applied to display screens of different types and sizes, and significantly save costs.

[0005] The present application provides a drive system, which includes:

[0006] The power module includes at least one conversion power output terminal.

[0007] An interface module includes multiple sub-interface modules.

[0008] The core board module is connected to the interface module.

[0009] The video conversion module is connected to the interface module and the core board module.

[0010] The video switching switch includes two sub-video switching switches and is connected to the video conversion module.

[0011] The audio output module is connected to the video conversion module.

[0012] The serializer module establishes a communication connection with the video switching switch module, and is connected with the core board module, the video conversion module and the audio output module.

[0013] The processor module is connected to the video conversion module, the core board module and the video switching switch.

[0014] Furthermore, the video conversion module also includes: an EDP output port, an LVDS output port and an audio output port.

[0015] The video conversion module mainly converts the HDMI signal, TYPE-C signal or DP signal received by the interface module into two video source signals, EDP and LVDS, and outputs them to the video switching switch module, while outputting the signal received by the interface module to the audio output module.

[0016] Furthermore, the video switching switch also includes: an EDP video switching switch and an LVDS video switching switch.

[0017] Furthermore, the EDP video switching switch is connected to the EDP output port; and the LVDS video switching switch is connected to the LVDS output port.

[0018] The video switching switch is an analog switch chip, which controls the high and low levels of the GPIO pins to control the opening and closing of a certain analog switch. Its main function is to select the output video source.

[0019] By combining the video conversion module and the video switching switch, any video source signal can be converted into EDP / LVDS, and the EDP signal or LVDS signal can be selected according to the type of display screen.

[0020] Furthermore, the audio output module is connected to the audio output port.

[0021] Furthermore, the audio output module is also connected to an audio amplification module; and the audio amplification module is connected to a speaker.

[0022] The audio output module mainly outputs the audio signal of the input signal to the serializer module or directly drives the speaker output after being combined with the audio amplifier module.

[0023] Furthermore, the core board module also includes: USB and TFT.

[0024] Furthermore, the core board is also connected to the HDMI interface, DP interface and TYPE-C interface of the display screen.

[0025] The core board module can directly output 2K-8K video and audio signals, even without video input. When combined with the video conversion module, it can directly output EDP and LVDS to the serializer module. It can also directly output to the display's HDMI, DP, and TYPE-C interfaces to drive the screen. Adding USB and TFT allows for direct upgrades to the core board or storage of video sources.

[0026] Furthermore, the processor module is also connected to a function key module.

[0027] The MCU module is mainly used for I2C communication of each module and selection of module functions by controlling the high and low levels of GPIO.

[0028] The main purpose is to control the GPIO high and low of the analog switch video through the combination of buttons and MCU, so that one channel of the analog switch is opened and the other channel is closed.

[0029] Furthermore, the driving system also includes: a GPIO information monitoring module, an error reporting pin connected to each module of the display screen, and a processor module.

[0030] It is mainly used to monitor the error reporting pins of each module of the device under test. If there is any information about being pulled high or low, it will be reported to the MCU for processing.

[0031] The utility model proposes a driving system for multiple types of display screens, which includes: a power supply module, which includes at least one conversion power output terminal; an interface module, which includes multiple sub-interface modules; a core board module, which is connected to the interface module; a video conversion module, which is connected to the interface module and the core board module; a video switching switch, which includes two sub-video switching switches, which are connected to the video conversion module; an audio output module, which is connected to the video conversion module; a serializer module, which establishes a communication connection with the video switching switch module, and is connected to the core board module, the video conversion module and the audio output module; and a processor module, which is connected to the video conversion module, the core board module and the video switching switch.

[0032] Compared with the prior art, the present invention has at least the following beneficial effects:

[0033] This drive system is equipped with a variety of input interface types and output signal types, which can realize the input of multiple video stream formats into the display screen. It can be applied to display screens of different types and sizes, significantly saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Attachment Figure 1 This is a structural diagram of a driving system for multiple types of display screens according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0036] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features within these embodiments may be combined with one another, unless they conflict.

[0037] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. Therefore, the drawings only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0038] As attached Figure 1 As shown, the present application provides a driving system for multiple types of display screens, the driving system comprising:

[0039] The power module includes at least one conversion power output terminal.

[0040] An interface module includes multiple sub-interface modules.

[0041] The core board module is connected to the interface module.

[0042] The video conversion module is connected to the interface module and the core board module.

[0043] The video switching switch includes two sub-video switching switches and is connected to the video conversion module.

[0044] The audio output module is connected to the video conversion module.

[0045] The serializer module establishes a communication connection with the video switching switch module, and is connected with the core board module, the video conversion module and the audio output module.

[0046] The processor module is connected to the video conversion module, the core board module and the video switching switch.

[0047] In an embodiment of the present invention, optionally, the power supply module includes three conversion power output terminals: a 3.3V conversion power output terminal, a 1.8V conversion power output terminal, and a 1.0V conversion power output terminal, which can meet the power supply requirements of various modules in the system.

[0048] In an embodiment of the present utility model, optionally, the system is provided with three sub-interface modules in total, two of which can receive HDMI signals, TYPE-C signals and DP signals, and transmit them to the video conversion module.

[0049] from Figure 1 It can be seen that the video conversion module further includes: an EDP output port, an LVDS output port and an audio output port.

[0050] The video conversion module mainly converts the HDMI signal, TYPE-C signal or DP signal received by the interface module into two video source signals, EDP and LVDS, and outputs them to the video switching switch module, while outputting the signal received by the interface module to the audio output module.

[0051] In an embodiment of the present invention, optionally, the video conversion module is composed of the following components:

[0052] Video input interface: used to receive original video signals, such as HDMI signals, TYPE-C signals, and DP signals.

[0053] Video processor: responsible for decoding, scaling, format conversion and signal processing.

[0054] Memory: used to store video data in processing and cache.

[0055] Control unit: manages and coordinates the operations of each module.

[0056] Video output interface: outputs the processed signal to the display device or storage medium.

[0057] Power management: Provides stable power supply to ensure normal operation of the module.

[0058] The video processor may be:

[0059] Video decoding chip: such as H.264 and H.265 decoders, used to process video compression formats.

[0060] Graphics Processing Unit (GPU): A graphics card such as one from NVIDIA or AMD that handles video rendering and acceleration.

[0061] Dedicated video processing chip (VPU): such as Intel's Movidius and MediaTek's Helio series, specifically used for video encoding and decoding.

[0062] Digital signal processor (DSP): used for real-time processing and optimization of video signals, such as TI's DSP chip.

[0063] from Figure 1It can be seen that the video switching switch further includes: an EDP video switching switch and an LVDS video switching switch.

[0064] from Figure 1 It can be seen that the EDP video switching switch is connected to the EDP output port; the LVDS video switching switch is connected to the LVDS output port.

[0065] The video switching switch is an analog switch chip, which controls the high and low levels of the GPIO pins to control the opening and closing of a certain analog switch. Its main function is to select the output video source.

[0066] By combining the video conversion module and the video switching switch, any video source signal can be converted into EDP / LVDS, and the EDP signal or LVDS signal can be selected according to the type of display screen.

[0067] from Figure 1 It can be seen that the audio output module is connected to the audio output port.

[0068] from Figure 1 It can be seen that the audio output module is also connected to the audio amplification module; and the audio amplification module is connected to the speaker.

[0069] The audio output module mainly outputs the audio signal of the input signal to the serializer module or directly drives the speaker output after being combined with the audio amplifier module.

[0070] from Figure 1 It can be seen that the core board module also includes: USB and TFT.

[0071] By adding USB and TFT to the core board module, the core board can be directly upgraded or video sources can be stored.

[0072] from Figure 1 It can be seen that the core board is also connected to the HDMI interface, DP interface and TYPE-C interface of the display.

[0073] from Figure 1 It can be seen that the processor module is also connected to the function key module.

[0074] The processor module is mainly used for I2C communication of each module and selection of module functions by controlling the high and low levels of GPIO.

[0075] The GPIO high and low of the analog switch video are mainly controlled by the combination of buttons and MCU, so that one channel of the analog switch is opened and the other channel is closed.

[0076] from Figure 1It can be seen that the driving system further includes: a GPIO information monitoring module, error reporting pins connected to various modules of the display screen, and a processor module.

[0077] It is mainly used to monitor the error reporting pins of each module of the device under test. If there is any information about being pulled high or low, it will be reported to the MCU for processing.

[0078] In an embodiment of the present invention, optionally, the video stream signal is transmitted to the video conversion module through the interface module, and the video conversion module can convert the video stream signal into an EDP / LVDS signal.

[0079] The video switching switch is combined with the processor module and the function button module to select the screen projection output EDP or LVDS signal to the serializer according to the display to be tested.

[0080] The video conversion module is also connected to the core board module, which can directly output 2K-8K video and audio signals, and can output video even without video input. Combined with the video conversion module, it can directly output EDP and LVDS to the serializer module, and can also directly output to the HDMI, DP, and TYPE-C interfaces of the display to drive the screen.

[0081] The audio output module can be connected to the video conversion module or the core board module to receive the audio signal in the video stream signal, and after amplifying the audio signal through the audio amplification module, transmit it to the speaker for playback.

[0082] The utility model proposes a driving system for multiple types of display screens, which includes: a power supply module, which includes at least one conversion power output terminal; an interface module, which includes multiple sub-interface modules; a core board module, which is connected to the interface module; a video conversion module, which is connected to the interface module and the core board module; a video switching switch, which includes two sub-video switching switches, which are connected to the video conversion module; an audio output module, which is connected to the video conversion module; a serializer module, which establishes a communication connection with the video switching switch module, and is connected to the core board module, the video conversion module and the audio output module; and a processor module, which is connected to the video conversion module, the core board module and the video switching switch.

[0083] This drive system is equipped with a variety of input interface types and output signal types, which can realize the input of multiple video stream formats into the display screen. It can be applied to display screens of different types and sizes, significantly saving costs.

[0084] In several embodiments provided in the present application, it is understood that each box in the flow chart or block diagram can represent a part of a module, program segment or code, and the part of the module, program segment or code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in an order different from that marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which depends on the functions involved.

[0085] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a number of instructions for enabling an electronic device to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0086] The specific embodiments described above further illustrate the objectives, technical solutions, and beneficial effects of this application. It should be understood that the above descriptions are merely specific embodiments of this application and are not intended to limit the scope of protection of this application. In particular, it should be noted that any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application by those skilled in the art should be included within the scope of protection of this application.

Claims

1. A driving system for multiple types of display screens, characterized in that: The drive system comprises: A power module, comprising at least one conversion power output terminal; An interface module, including multiple sub-interface modules; A core board module connected to the interface module; A video conversion module is connected to the interface module and the core board module; A video switching switch, comprising two sub-video switching switches, connected to the video conversion module; An audio output module connected to the video conversion module; The serializer module establishes a communication connection with the video switching switch module, and is connected to the core board module, the video conversion module and the audio output module; The processor module is connected to the video conversion module, the core board module and the video switching switch.

2. The driving system for multiple types of display screens according to claim 1, characterized in that: The video conversion module further includes: an EDP output port, an LVDS output port and an audio output port.

3. The driving system for multiple types of display screens according to claim 2, characterized in that: The video switching switch further comprises: an EDP video switching switch and an LVDS video switching switch.

4. The driving system for multiple display screens according to claim 3, characterized in that: The EDP video switching switch is connected to the EDP output port; the LVDS video switching switch is connected to the LVDS output port.

5. The driving system for multiple display screens according to claim 4, characterized in that: The audio output module is connected to the audio output port.

6. The driving system for multiple display screens according to claim 5, characterized in that: The audio output module is also connected to the audio amplification module; the audio amplification module is connected to the speaker.

7. The driving system for multiple display screens according to claim 1, wherein: The core board module also includes: USB and TFT.

8. The driving system for multiple display screens according to claim 1, wherein: The core board is also connected to the HDMI interface, DP interface and TYPE-C interface of the display screen.

9. The driving system for multiple display screens according to claim 1, wherein: The processor module is also connected to the function key module.

10. The driving system for multiple display screens according to claim 1, wherein: The driving system further includes: a GPIO information monitoring module, an error reporting pin connected to each module of the display screen, and a processor module.

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