Network display all-in-one machine used on train

Abstract

The utility model provides a network display all-in-one machine for a train, which comprises a network switching module, an industrial personal computer main board, a driving board debugging module, a display screen driving chip and a display screen, and is characterized in that the output end of the network switching module is connected with the input end of the industrial personal computer main board; the output end of the industrial personal computer mainboard is connected with the input end of the display screen driving chip, the driving board debugging module is in input and output bidirectional connection with the industrial personal computer mainboard, and the driving board debugging module is in input and output bidirectional connection with the display screen driving chip. And the output end of the display screen driving chip is connected with the input end of the display screen. The beneficial effects of the utility model are that the industrial personal computer mainboard is added, DP / HDMI / VGA signals can be output, and the problem of long-distance transmission of video signals is solved.

Description

Technical Field

[0001] The utility model relates to an integrated display machine, in particular to an integrated network display machine used on a train. Background Art

[0002] For the displays on the train, each display screen is installed far away, and the traditional design scheme is generally:

[0003] 1. When one broadcast controller is connected to multiple display screens, the video signal needs to be transmitted over long distances and splitter equipment is required.

[0004] 2. To realize the functional control of the display, a separate serial port line is usually used.

[0005] The above solution has the following defects:

[0006] 1. Long-distance transmission not only increases the difficulty of construction but also causes signal attenuation, resulting in an increase in the frequency of abnormal terminal displays, which brings a bad experience to passengers and affects the normal operation of the line.

[0007] 2. The separate serial port line not only increases the complexity of wiring, but also causes unstable signals due to problems such as the serial port line being easy to loosen and be interfered with. If the display driver board firmware needs to be upgraded, a laptop computer must be connected separately. There are major information security risks

[0008] 3. The number of displays must be large, and the separate serial port lines need to be debugged and tested in each car, which is time-consuming and labor-intensive. Summary of the invention

[0009] In order to solve the problems in the prior art, the utility model provides an all-in-one network display machine for use on a train.

[0010] The utility model provides a network display integrated machine for trains, comprising a network switching module, an industrial computer mainboard, a driver board debugging module, a display screen driver chip and a display screen, wherein the output end of the network switching module is connected to the input end of the industrial computer mainboard, the output end of the industrial computer mainboard is connected to the input end of the display screen driver chip, the driver board debugging module is connected to the industrial computer mainboard in a bidirectional input-output manner, the driver board debugging module is connected to the display screen driver chip in a bidirectional input-output manner, and the output end of the display screen driver chip is connected to the input end of the display screen.

[0011] As a further improvement of the utility model, the network switching module includes a signal relay, a network transformer and an Ethernet switching chip. The signal relay is bidirectionally connected to the network transformer for input and output, the network transformer is bidirectionally connected to the Ethernet switching chip for input and output, the Ethernet switching chip is connected to two RJ45 interfaces, the input network signal is connected to the signal relay, then connected to the network transformer for filtering the network, and finally connected to the Ethernet switching chip. The Ethernet switching chip acts as a switching engine to process and convert the input network signal and output it to two RJ45 interfaces, one as an output port, and the other connected to the Gbe network port of the industrial computer motherboard.

[0012] As a further improvement of the present invention, the industrial computer mainboard has at least three interface modules, namely, a Gbe network interface, a VGA interface, and a USB interface. The Gbe network interface of the industrial computer mainboard is connected to the network switching module to receive and send network signals. The VGA interface of the industrial computer mainboard is connected to the display driver chip to send a VGA image signal to the display driver chip. The USB interface of the industrial computer mainboard is connected to the driver board debugging module to obtain information of the display driver chip.

[0013] As a further improvement of the present invention, the driver board debugging module adopts a USB to serial port chip, which is respectively connected to the USB interface of the industrial computer mainboard and the serial port of the display driver chip, and is responsible for parsing the data received by the USB interface of the industrial computer mainboard according to the serial port protocol, transmitting the parsed data to the display driver chip through a serial port cable, and converting the serial data sent by the serial port into a USB recognizable digital signal according to the USB protocol and transmitting it to the industrial computer mainboard.

[0014] As a further improvement of the present invention, the display driver chip is responsible for reading the VGA image signal and converting it into a differential signal supported by the display and outputting it to the display. It is also responsible for reading the serial data of the serial port and setting the parameters and display status of the display according to the serial port RS232 protocol.

[0015] As a further improvement of the present invention, the display screen driving chip is connected to the photosensitive IC via the IIC, and the brightness of the display screen is automatically adjusted according to the intensity of the ambient light.

[0016] As a further improvement of the utility model, the display screen driver chip is connected to an IR receiving head via an I / O port, and the display screen parameters are adjusted by a remote controller.

[0017] As a further improvement of the present invention, the network display all-in-one machine also includes a power module, which includes a voltage stabilizing module, a voltage conversion board and a DC / DC module. The voltage stabilizing module inputs a voltage of 9 to 36V, converts it into 24V and outputs it to the voltage conversion board. The voltage conversion board divides the 24V into two paths, one path is connected to the DC / DC module and the display backlight, and the other path is converted into 12V and connected to the network switching module and the industrial computer motherboard. The DC / DC module converts 24V into 12V and connects it to the display screen, and converts it into 3.3V and connects it to the display screen driver chip.

[0018] As a further improvement of the present invention, the display screen driving chip adopts a Scaler driving chip.

[0019] The beneficial effects of the utility model are:

[0020] 1. Add an industrial computer motherboard to output DP / HDMI / VGA signals to solve the problem of long-distance transmission of video signals.

[0021] 2. Adding a network switching module can connect to Ethernet and output Ethernet to other integrated display devices. Through the network connection, the integrated display device on the train can be remotely controlled by the main control device.

[0022] 3. Add a driver board debugging module to connect the industrial computer mainboard and the display driver chip to realize online upgrade and debugging of the display driver chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other solutions can be obtained based on these drawings without paying creative work.

[0024] Figure 1 The utility model is a schematic diagram of a network display integrated machine used on a train. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figure 1 As shown, a network display integrated machine for use on a train includes a power module, a network switching module 1, an industrial computer mainboard 2, a driver board debugging module, a display driver chip and a display screen 5.

[0030] The output end of the network switching module 1 is connected to the input end of the industrial computer mainboard 2, the output end of the industrial computer mainboard 2 is connected to the input end of the display screen driver chip, the driver board debugging module is bidirectionally connected to the industrial computer mainboard 2 for input and output, the driver board debugging module is bidirectionally connected to the display screen driver chip for input and output, and the output end of the display screen driver chip is connected to the input end of the display screen 5.

[0031] The network switching module 1 includes a signal relay 11, a network transformer 12 and an Ethernet switching chip 13. The signal relay 11 is connected to the network transformer 12 for input and output bidirectional connection. The network transformer 12 is connected to the Ethernet switching chip 13 for input and output bidirectional connection. The Ethernet switching chip 13 is connected to two RJ45 interfaces. The input network signal is connected to the signal relay 11, which can control the on and off of the network signal. When the network security device fails, it is directly physically turned on to ensure that when a terminal in the network fails, other networks can still be connected. Then it is connected to a network transformer 12 to filter the network, and finally connected to the Ethernet switching chip 13. The Ethernet switching chip 13 acts as a switching engine to convert the input network information processing and output it to two RJ45 interfaces, one as an output port, and the other connected to the Gbe network port of the industrial computer motherboard 2.

[0032] The industrial computer motherboard (IPC) 2 mainly has three interface modules: Gbe network interface, VGA interface, and USB interface. The Gbe network interface is connected to the network switching module 1 to send and receive network signals for information exchange. The VGA interface is connected to the display driver chip to send VGA image signals. The USB interface is connected to the driver board debugging module to obtain the manufacturer ID, device ID, Class category, etc. in the chip, and then match the corresponding driver based on this information to complete the control of the driver board debugging module and device communication.

[0033] The driver board debugging module uses a USB to serial port chip 3, which connects the USB interface of the industrial computer mainboard 2 and the serial port of the display driver chip. It is responsible for parsing the data received by the USB interface according to the serial port protocol, and transmitting the parsed data to the display driver chip through the serial port cable. The serial data sent by the serial port is converted into a USB recognizable digital signal according to the USB protocol and transmitted to the industrial computer mainboard 2, thereby realizing data interaction between the industrial computer mainboard 2 and the display driver chip.

[0034] The display driver chip is responsible for reading the VGA image signal and converting it into a differential signal (LVDS) supported by the display screen 5 and outputting it to the display screen 5. It is also responsible for reading the serial data of the serial port and setting the parameters and display status of the display screen 5 according to the serial port RS232 protocol.

[0035] The display driver chip is connected to a photosensitive IC6 through IIC, and the brightness of the display can be automatically adjusted according to the intensity of the ambient light.

[0036] The display screen driver chip is connected to an IR receiving head 7 via an I / O port, and the display screen parameters can be adjusted by a remote controller.

[0037] The display screen driver chip adopts Scaler driver chip 4.

[0038] The power module includes a voltage regulator module 81, a voltage conversion board 82 and a DC / DC module 83. The voltage regulator module 81 can input a voltage of 9 to 36V, convert it into 24V and output it to the voltage conversion board 82. The voltage conversion board 82 divides the 24V into two paths, one path is connected to the DC / DC module 83 and the display backlight, and the other path is converted into 12V and connected to the network switching module 1 and the industrial computer motherboard 2. The DC / DC module 83 converts 24V into 12V and connects it to the display 5, and converts it into 3.3V and connects it to the scaler driver chip 4.

[0039] The utility model provides a network display integrated machine for trains, which can remotely control each integrated machine on the train through the network, so that all the integrated display machines on the train can be controlled by a general control device. It integrates an industrial computer motherboard (IPC) 2, a network switching module 1, a display screen driver module, and a driver board debugging module.

[0040] IPC is mainly responsible for:

[0041] 1. Receive instructions from the test workstation, analyze the commands, and take corresponding actions.

[0042] 2. Send instructions to the display driver chip and analyze the returned data to achieve remote monitoring and management of the display and display driver chip.

[0043] 3. Provide image signals to the display driver chip.

[0044] The network switching module 2 is responsible for connecting the networks of various IPC terminals in series, so that the integrated display devices in the train are connected to the same Ethernet to transmit the data of the test workstation and the IPC terminal. In addition, the network switching module 2 satisfies the Bypass function to ensure the security and reliability of the network.

[0045] The display driver chip receives the image signal from the IPC and displays the image signal on the display screen, providing an interface for human-computer interaction.

[0046] The driver board debugging module is connected to the display driver chip and IPC, which can realize online software upgrades and debug and monitor the screen parameters, display status, and working status of the display.

[0047] The utility model provides a network display integrated machine for trains, and its working principle is as follows:

[0048] The network switching module 2 connects the network modules of each device to form a network that communicates with each other to achieve connection. Receive signals from the train's main control device and forward them to the IPC to ensure that the data can accurately reach the desired IPC. Conversely, the data sent by the IPC can also be forwarded to the train's main control device. Filter the received network data to prevent the IPC from being maliciously attacked and illegally accessed. The IPC receives the signal sent by the network switching module 2 through the Gbe network port, and its CPU makes corresponding processing actions according to the UDP protocol, including IPC settings, Scaler settings, and collecting IPC and Scaler data and returning them to the network switching module 2. The driver board debugging module receives the USB data from the IPC and converts it into UART data and sends it to the Scaler driver chip 4. Conversely, the data sent by the Scaler driver chip 4 can also be forwarded to the IPC to achieve the setting and monitoring of the Scaler driver chip 4. After receiving the instruction through UART, the Scaler driver chip 4 responds accordingly according to the RS232 protocol and returns the data to the driver board debugging module, and finally achieves the setting of the Scaler driver chip 4 and the display screen.

[0049] The utility model provides a network display integrated machine for trains. According to the application requirements and characteristics of the integrated machine in industry and rail transportation, the network display integrated machine can be reported and remotely controlled by integrating a network switch, an IPC, a scaler debugging board, and a display scaler. The maintenance efficiency of the integrated machine is improved, and the investment of manpower, material resources, and time consumed in maintenance is reduced.

[0050] The utility model provides a network display integrated machine for trains, which is suitable for trains, especially sightseeing trains.

[0051] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A network display integrated machine for use on trains, characterized in that: It includes a network switching module, an industrial computer mainboard, a driver board debugging module, a display screen driver chip and a display screen, wherein the output end of the network switching module is connected to the input end of the industrial computer mainboard, the output end of the industrial computer mainboard is connected to the input end of the display screen driver chip, the driver board debugging module is connected to the industrial computer mainboard in a bidirectional input-output manner, the driver board debugging module is connected to the display screen driver chip in a bidirectional input-output manner, and the output end of the display screen driver chip is connected to the input end of the display screen.

2. The network display integrated machine for trains according to claim 1, characterized in that: The network switching module includes a signal relay, a network transformer and an Ethernet switching chip. The signal relay is connected to the network transformer for input and output bidirectionally, and the network transformer is connected to the Ethernet switching chip for input and output bidirectionally. The Ethernet switching chip is connected to two RJ45 interfaces. The input network signal is connected to the signal relay, then connected to the network transformer for filtering the network, and finally connected to the Ethernet switching chip. The Ethernet switching chip serves as a switching engine to process and convert the input network signal and output it to two RJ45 interfaces, one of which is used as an output port and the other is connected to the Gbe network port of the industrial computer motherboard.

3. The network display integrated machine for trains according to claim 1, characterized in that: The industrial computer mainboard has at least three interface modules, namely, a Gbe network interface, a VGA interface, and a USB interface. The Gbe network interface of the industrial computer mainboard is connected to the network switching module to receive and send network signals. The VGA interface of the industrial computer mainboard is connected to the display driver chip to send a VGA image signal to the display driver chip. The USB interface of the industrial computer mainboard is connected to the driver board debugging module to obtain information about the display driver chip.

4. The network display integrated machine for trains according to claim 1, characterized in that: The driver board debugging module adopts a USB-to-serial port chip, which is respectively connected to the USB interface of the industrial computer mainboard and the serial port of the display driver chip, and is responsible for parsing the data received by the USB interface of the industrial computer mainboard according to the serial port protocol, transmitting the parsed data to the display driver chip through a serial port cable, and converting the serial data sent by the serial port into a USB-recognizable digital signal according to the USB protocol and transmitting it to the industrial computer mainboard.

5. The network display integrated machine for trains according to claim 1, characterized in that: The display screen driver chip is responsible for reading the VGA image signal and converting it into a differential signal supported by the display screen and outputting it to the display screen. It is also responsible for reading the serial data of the serial port and setting the parameters and display status of the display screen according to the serial port RS232 protocol.

6. The network display integrated machine for trains according to claim 1, characterized in that: The display screen driving chip is connected to the photosensitive IC through the IIC, and the brightness of the display screen is automatically adjusted according to the intensity of the ambient light.

7. The network display integrated machine for trains according to claim 1, characterized in that: The display screen driver chip is connected to the IR receiving head through the I / O port, and the display screen parameters are adjusted by a remote controller.

8. The network display integrated machine for trains according to claim 1, characterized in that: The network display integrated machine also includes a power module, which includes a voltage stabilizing module, a voltage conversion board and a DC / DC module. The voltage stabilizing module inputs a voltage of 9 to 36V, converts it into 24V and outputs it to the voltage conversion board. The voltage conversion board divides the 24V into two paths, one path is connected to the DC / DC module and the display backlight, and the other path is converted into 12V and connected to the network switching module and the industrial computer motherboard. The DC / DC module converts 24V into 12V and connects it to the display screen, and converts it into 3.3V and connects it to the display screen driver chip.

9. The network display integrated machine for trains according to claim 1, characterized in that: The display screen driving chip adopts a Scaler driving chip.

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