CN212966155U - Display screen system with multiplexed interfaces - Google Patents
Display screen system with multiplexed interfaces Download PDFInfo
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- CN212966155U CN212966155U CN202021925378.XU CN202021925378U CN212966155U CN 212966155 U CN212966155 U CN 212966155U CN 202021925378 U CN202021925378 U CN 202021925378U CN 212966155 U CN212966155 U CN 212966155U
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Abstract
The embodiment of the utility model provides a multiplexing display screen system of interface, include: the interface module comprises a first interface module and a second interface module, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal; the display control module is used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module; the switching module is used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first input signal and generating a second control signal; the display module is used for displaying the first display signal or displaying the corresponding second display signal according to the second control signal. The utility model provides a pair of multiplexing display screen system of interface has solved the unable multi-functional problem of using of display screen USB interface among the prior art through multiplexing USB extended interface, has realized using more conveniently, reduces USB interface quantity simultaneously, reduces the effect of cost.
Description
Technical Field
The embodiment of the utility model provides a relate to the display screen technique, especially relate to a display screen system that interface is multiplexing.
Background
At present, with the diversification of signal source interfaces in the display field, such as displays, televisions, advertising machines, science and education machines, and the like, the interfaces are incompatible with each other, the bandwidths that can be supported by the interfaces are also inconsistent, and the interfaces can only transmit data signals but cannot transmit power, so that when a terminal user uses the display equipment, a plurality of different signal lines and power lines need to be prepared.
The display driving circuit is a device for connecting the device and the display screen, and is used for converting output information of the device into information such as characters, graphs, characters, colors and the like and transmitting the information to the display screen for display; the conventional portable display screen is not internally provided with a general computer operating system, and the USB interface is only used as an expansion interface of an external host to be connected with external equipment of a USB interface type.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a multiplexing display screen system of interface to it is more convenient to realize using, reduces USB interface quantity simultaneously, reduces the effect of cost.
The embodiment of the utility model provides a multiplexing display screen system of interface, include:
the display device comprises an interface module, a display module and a control module, wherein the interface module comprises a first interface module and a second interface module, the first interface module and the second interface module are used for connecting external equipment, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal;
the display control module is connected with the interface module and used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module;
the switching module is connected with the display control module and used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first input signal and generating a second control signal;
and the display module is connected with the display control module and used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal.
Optionally, the external device includes an external electronic device and an external expansion device, the external electronic device is configured to transmit the first display signal, and the external expansion device is configured to expand a system use function.
Optionally, the display control module further comprises an internal control module, and the internal control module is connected with the display control module and is used for generating a second display signal.
Optionally, the internal control module includes one or more of a CPU, an MCU, or a single chip microcomputer.
Optionally, the display control module is connected with the touch module, and is used for inputting an external control signal in a touch manner.
Optionally, the display control module further comprises a storage module, and the storage module is connected with the display control module and is used for storing signal data.
Optionally, the display control module further comprises a power module, and the power module is connected with the display control module and is used for providing working voltage.
Optionally, the display control module is connected with the display control module, and is configured to establish a wireless communication connection with the external device.
Optionally, the interface module includes a USB HUB and a plurality of interfaces, and the USB HUB is connected to the plurality of interfaces and is configured to transmit the first display signal of the external device connected to the plurality of interfaces.
Optionally, the plurality of interfaces include: one or more of a USB-C interface, a USB-A interface, and an HDMI interface.
The embodiment of the utility model provides a multiplexing display screen system of interface, include: the display device comprises an interface module, a display module and a control module, wherein the interface module comprises a first interface module and a second interface module, the first interface module and the second interface module are used for connecting external equipment, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal; the display control module is connected with the interface module and used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module; the switching module is connected with the display control module and used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first input signal and generating a second control signal; and the display module is connected with the display control module and used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal. The utility model provides a pair of multiplexing display screen system of interface has solved the unable multi-functional problem of using of display screen USB interface among the prior art through multiplexing USB extended interface, has realized using more conveniently, reduces USB interface quantity simultaneously, reduces the effect of cost.
Drawings
Fig. 1 is a module connection diagram of a display screen system with multiplexed interfaces according to a first embodiment of the present invention;
fig. 2 is a module connection diagram of a display screen system with multiplexed interfaces according to a second embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a display screen system with multiplexed interfaces according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. A process may be terminated when its operations are completed, but may have additional steps not included in the figure. A process may correspond to a method, a function, a procedure, a subroutine, a subprogram, etc.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, the first display signal may be referred to as the second display signal, and similarly, the second display signal may be referred to as the first display signal, without departing from the scope of the present application. Both the first display signal and the second display signal are display signals, but they are not the same display signal. The terms "first", "second", etc. 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 one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example one
Fig. 1 is the embodiment of the utility model provides a module connection diagram of the multiplexing display screen system of interface that provides, this embodiment is applicable to the interface execution multiple function's of display screen the condition, and the multiplexing display screen system of interface that this embodiment provided includes: the display device comprises an interface module 1, a display control module 2, a display module 3 and a switching module 4.
The interface module 1 is used for connecting external equipment and transmitting a first display signal; the interface module 1 includes the interface module includes a first interface module 11 and a second interface module 12, the first interface module 11 and the second interface module 12 are used for connecting an external device, and the first interface module 11 and the second interface module 12 specifically include: the USB HUB system comprises a USB HUB concentrator and a plurality of interfaces, wherein the USB HUB concentrator is connected with the plurality of interfaces, a first interface module is used for transmitting a first display signal, and a second interface module is used for transmitting a first control signal; the plurality of interfaces includes: one or more of a USB-C interface, a USB-A interface, and an HDMI interface.
In this embodiment, the external device includes an external electronic device and an external expansion device, the external electronic device is configured to transmit the first display signal, and the external expansion device is configured to expand a system use function. The first display signal is used for displaying playing content on the display screen system, and the content is generated by an external device and transmitted to the display screen system through the interface module 1. The external electronic device comprises a computer, a mobile phone, a tablet computer and other intelligent devices capable of transmitting display signals, and the devices are connected with the display screen system and can transmit the display signals generated by the devices to the display screen system for direct display. The external expansion equipment comprises equipment such as a keyboard, a mouse, a USB flash disk, a handle and a game control rod, and the equipment is only used for a user to carry out instruction control on a display screen system and specifically generates a first control signal. In this embodiment, the USB HUB can expand one USB interface into a plurality of devices, and can make these interfaces used simultaneously. Can reduce the quantity of USB interface through USB HUB concentrator, promote aesthetic property and practicality, a plurality of interfaces include: the number of the interfaces may be adaptively adjusted according to actual requirements, which is not limited in this embodiment.
The display control module 2 is connected with the interface module 1 and is used for receiving the first display signal and generating an interface control signal according to an external device connected with the interface module 1.
In this embodiment, the display control module 2 is composed of a display control chip, the display control chip receives a first display signal and then determines that the external device connected at this time belongs to an external electronic device, an interface control signal is generated at this time, the interface control signal is used for being transmitted to the switching module 4 to switch the interface function, exemplarily, after the display control module 2 receives the first display signal sent by the computer, the display control module 2 ignores the display signals of other connected devices, and displays the first display signal of the computer, thereby avoiding the situation that the display screen system displays chaos due to the fact that a plurality of external devices are connected at the same time. Optionally, the display screen system may use a chip of TL 1451A type as the display control module 2.
The display module 3 is connected with the display control module 2 and is used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal.
In this embodiment, the display module 3 is a display panel, and after receiving the first display signal or the second display signal transmitted by the display control module 2, the display module displays corresponding content according to the signal, optionally, the display module 3 may select an LCD display panel, and the LCD is a display using liquid crystal as a material, and has the advantages of thin body, space saving, power saving, no generation of high temperature, soft and non-eye-damaging picture, no radiation, and the like, and is suitable for various types of users.
The switching module 4 is connected to the display control module 2, and configured to control the interface module 1 to switch the connected external device according to the interface control signal or switch the connected external device according to the first input signal and generate a second control signal.
In this embodiment, the switch module 4 receives the interface control signal transmitted by the display control module 2 to perform input/output control on other connected external devices, a USB interface signal switch may be provided, the USB interface signal switch is controlled by the switch module 4 to control the connected external devices, the switch module 4 may use a USB-C interface control chip to perform functions, the chip may perform data interaction with the display control chip, and issue a control signal corresponding to the USB interface signal switch according to the interface control signal of the display control chip. When the connected external equipment is external expansion equipment, a second control signal is generated to the inside of the system according to a first control signal input by the external expansion equipment, and a second display signal is generated to the inside of the system according to the second control signal and displayed on a display screen.
The embodiment provides a display screen system with multiplexed interfaces, which comprises: the display device comprises an interface module, a display module and a control module, wherein the interface module comprises a first interface module and a second interface module, the first interface module and the second interface module are used for connecting external equipment, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal; the display control module is connected with the interface module and used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module; the switching module is connected with the display control module and used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first input signal and generating a second control signal; and the display module is connected with the display control module and used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal. The utility model provides a pair of multiplexing display screen system of interface has solved the unable multi-functional problem of using of display screen USB interface among the prior art through multiplexing USB extended interface, has realized using more conveniently, reduces USB interface quantity simultaneously, reduces the effect of cost.
Example two
Fig. 2 is the embodiment of the present invention provides a module connection diagram of a display screen system with a multiplexing interface, this embodiment is applicable to the situation that the interface of the display screen executes multiple functions, this embodiment is to add other functional modules on the basis of embodiment one for explanation, specifically, the display screen system with a multiplexing interface provided by this embodiment includes: the display device comprises an interface module 1, a display control module 2, a display module 3, a switching module 4, an internal control module 5, a touch module 6, a storage module 7, a power module 8 and a communication module 9.
The display device comprises an interface module 1, wherein the interface module 1 comprises a first interface module 11 and a second interface module 12, the first interface module 11 and the second interface module 12 are used for connecting external equipment, the first interface module 11 is used for transmitting a first display signal, and the second interface module 12 is used for transmitting a first control signal; the interface module 1 comprises a USB HUB concentrator and a plurality of interfaces, and the USB HUB concentrator is connected with the interfaces; the plurality of interfaces includes: one or more of a USB-C interface, a USB-A interface, and an HDMI interface. In this embodiment, the interface module includes a first interface module 11 and a second interface module 12, the first interface module 11 is mainly connected to an external electronic device, the external electronic device includes a computer, a mobile phone, a tablet computer, and other intelligent devices capable of transmitting display signals, and the devices are connected to the display screen system and can transmit the display signals generated by the devices to the display screen system for direct display. The second interface module 12 is mainly connected to external expansion devices, which include a keyboard, a mouse, a usb disk, a handle, and a game control stick, and the external expansion devices are only used for a user to perform command control on the display screen system.
The display control module 2 is connected with the interface module 1 and is used for receiving the first display signal and generating an interface control signal according to an external device connected with the interface module 1.
The display module 3 is connected with the display control module 2 and is used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal.
The switching module 4 is connected to the display control module 2, and configured to control the interface module 1 to switch the connected external device according to the interface control signal or switch the connected external device according to the first input signal and generate a second control signal.
The internal control module 5 is connected with the display control module 2 and is used for generating a second display signal according to the second control signal.
In this embodiment, the second display signal is a video signal generated inside the display screen, and the internal control module 5 includes one or more of a Micro Control Unit (MCU) and a Central Processing Unit (CPU). For example, the MCU is also called a microcomputer or a single chip, and is a computer with a chip level formed by appropriately reducing the frequency and specification of the cpu, and integrating the peripheral interfaces such as the memory, the counter, the USB, the a/D conversion, the UART, the PLC, the DMA, and the like, and even the LCD driving circuit on a single chip, so as to perform different combination control for different applications. In this embodiment, taking the MCU as an example, in cooperation with a built-in operating system, the display screen system can be used as an intelligent device for playing and data interaction, and a user can search for a video to play in the display screen system through network connection, and the internal control module 5 generates a second display signal to transmit to the display control module 2 and then to the display module 3 for displaying.
Illustratively, when the content displayed by the display module 3 is from the USB-C interface, the USB-C interface control chip makes the access device input the video signal through USB PD protocol communication. After the display control module 2 receives the video signal from the USB-C interface, the control switching module 4 makes the extended USB-A interface become the extended interface of the USB-signal in the USB-C input signal. When the content displayed by the display module 3 comes from the internal control module 5, the display control module 2 controls the control switching module 4 to make the extended USB-A interface become the USB extended interface of the built-in operating system.
The touch module 6 is connected with the display control module 2 and used for inputting an external control signal in a touch mode.
In the present embodiment, the touch module 6 includes a tactile feedback system, which can drive various connecting devices according to a pre-programmed program, and can replace a mechanical button panel to produce vivid video effect by the liquid crystal display. The touch module 6 ensures the process of touch interaction between the display screen system and the user, reduces the time for inputting keys by the user, improves the experience of the user, can set the keys to interact with the user in the alternative implementation, and avoids the situation that the user cannot control the display screen system under the condition that the touch module 6 cannot work normally.
The storage module 7 is connected with the display control module 2 and used for storing signal data.
In the present embodiment, the storage module 7 includes one or more memories, and any combination of one or more computer-readable media may be used. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this embodiment, the storage module 7 is configured to store the content display signal received by the display screen, and has a buffering effect. Illustratively, a user may cache a movie, video, or other multimedia file on a display screen system for playback and viewing without a network connection.
And the power supply module 8 is connected with the display control module 2 and is used for providing working voltage.
In this embodiment, the power module 8 may provide the operating voltage through a storage battery or a connection to a dc power grid. The direct current power supply provided by the power supply module 8 is transmitted to the display control module 2 for the normal work of the chip.
The communication module 9 is connected with the display control module 2 and used for establishing wireless communication connection with the external equipment.
In this embodiment, the communication module 9 may include a wired communication module and a wireless communication module, the wired communication module is connected to a server or other terminal devices through a network cable or other transmission lines, and the server may perform data interaction with the display screen system in real time. The wireless communication module comprises a WiFi chip, a 4G chip or other communication chips, wireless communication can be achieved, and the use space of the display screen system is saved.
Referring to fig. 3, fig. 3 is a schematic circuit diagram of a display screen system with multiplexed interfaces in this embodiment, specifically, an HDMI signal input interface and a USB-C signal input interface 11 are mainly used for connecting external electronic devices, an extended USB-a interface 12 is mainly used for connecting external expansion devices, and a USB signal switch and a USB-C interface control chip 4 are implemented as a switch selection function; the built-in CPU and the operating system 5 realize the effect of inputting control signals or generating display signals by a user; the display control chip 2 is used for generating corresponding display streams according to the display signals and sending the display streams to the LCD display module 3 for display, and the keys or the touch control 6 are mainly used for inputting user control instructions.
The embodiment provides a display screen system with multiplexed interfaces, which comprises: the display device comprises an interface module, a display module and a control module, wherein the interface module comprises a first interface module and a second interface module, the first interface module and the second interface module are used for connecting external equipment, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal; the display control module is connected with the interface module and used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module; the switching module is connected with the display control module and used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first input signal and generating a second control signal; the display module is connected with the display control module and is used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal; the touch control module is connected with the display control module and is used for touch input of an external control signal; the storage module is connected with the display control module and used for storing signal data; the power supply module is connected with the display control module and used for providing working voltage; the communication module is connected with the display control module and used for establishing wireless communication connection with the external equipment. The utility model provides a pair of multiplexing display screen system of interface has solved the unable multi-functional problem of using of display screen USB interface among the prior art through multiplexing USB extension interface, promptly, single USB of display screen both can regard as external input signal interface, also can regard as file transmission interface, has realized using more conveniently, reduces USB interface quantity simultaneously, reduces the effect of cost.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An interface multiplexing display screen system, comprising:
the display device comprises an interface module, a display module and a control module, wherein the interface module comprises a first interface module and a second interface module, the first interface module and the second interface module are used for connecting external equipment, the first interface module is used for transmitting a first display signal, and the second interface module is used for transmitting a first control signal;
the display control module is connected with the interface module and used for receiving the first display signal and generating an interface control signal according to external equipment connected with the interface module;
the switching module is connected with the display control module and used for controlling the interface module to switch the connected external equipment according to the interface control signal or switching the connected external equipment according to the first control signal and generating a second control signal;
and the display module is connected with the display control module and used for displaying the first display signal or displaying a corresponding second display signal according to the second control signal.
2. The interface multiplexing display screen system of claim 1, wherein the external device comprises an external electronic device and an external expansion device, the external electronic device is configured to transmit the first display signal, and the external expansion device is configured to expand a system use function.
3. The interface multiplexing display screen system of claim 1, further comprising an internal control module, wherein the internal control module is connected to the display control module and configured to generate a second display signal according to the second control signal.
4. The interface multiplexing display screen system of claim 3, wherein the internal control module comprises one or more of a CPU, an MCU or a single chip microcomputer.
5. The interface multiplexing display screen system according to claim 1, further comprising a touch module, wherein the touch module is connected to the display control module and is configured to perform touch input on an external control signal.
6. The interface multiplexing display screen system of claim 1, further comprising a storage module, connected to the display control module, for storing signal data.
7. The interface multiplexing display screen system of claim 1, further comprising a power module, wherein the power module is connected to the display control module and configured to provide an operating voltage.
8. The interface multiplexing display screen system of claim 1, further comprising a communication module, wherein the communication module is connected to the display control module and configured to establish a wireless communication connection with the external device.
9. An interface multiplexing display screen system according to claim 1, wherein the interface module comprises a USB HUB and a plurality of interfaces, the USB HUB being connected to the plurality of interfaces for transmitting the first display signal of the external device connected to the plurality of interfaces.
10. An interface multiplexing display screen system as recited in claim 9 wherein the plurality of interfaces comprise: one or more of a USB-C interface, a USB-A interface, and an HDMI interface.
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| CN113157233A (en) * | 2021-05-19 | 2021-07-23 | 高创(苏州)电子有限公司 | Display device |
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| CN113157233A (en) * | 2021-05-19 | 2021-07-23 | 高创(苏州)电子有限公司 | Display device |
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