Visitor machine mainboard and visitor machine

Abstract

The utility model provides a main board of a visitor machine and the visitor machine. The main board of the visitor machine comprises a main board body, a processor, a control assembly and a connecting port, the control assembly comprises memory particles, EMMC particles, an Ethernet gigabit PHY chip, a USB HUB chip, an MIPI to LVDS chip, a PMIC power management chip and an RTC chip. The connecting ports comprise a display interface, a touch screen interface, an RJ45 network interface, a USB interface, an audio interface, a power amplifier interface, a hard disk interface, a COM interface and a Debug interface; and the COM interface and the Debug interface are electrically connected with the processor. According to the main board, the high-performance microprocessor is adopted, and abundant input and output interfaces, a network communication interface and a storage interface are designed on the microprocessor, so that a visitor machine provided with the main board has abundant expansion interface resources, and a large number of matched accessories can be designed in the main board and a large number of external devices can be externally connected.

Description

Technical Field

[0001] The utility model relates to the technical field of display mainboards, in particular to a visitor machine mainboard and a visitor machine. Background Art

[0002] Commercial display devices have been popularized in various fields of people's lives, such as external display screens in buildings, stairwells, shopping mall walls, etc. They can be seen everywhere and have great advertising value. Commercial display devices are mainly composed of host circuit boards (referred to as motherboards) and display screens.

[0003] Among these commercial display devices, there is a type of display device called a visitor machine, which is specifically designed to serve the display needs of external visitors. For example, the guide display screen in a shopping mall is a visitor machine. However, the functions of the mainboard design of the visitor machine are too limited. It can only realize simple display functions, and has few internal and external interface functions. It is difficult to realize the access of more internal and external devices and resource expansion, and cannot meet people's more display needs. Summary of the invention

[0004] In view of this, it is necessary to provide a guest machine motherboard and a guest machine, which can enable the guest machine equipped with the motherboard to have rich expansion interface resources, and can design a large number of supporting accessories internally and connect a large number of external devices externally.

[0005] In order to achieve the above-mentioned object, in a first aspect, the utility model provides a visitor machine mainboard, comprising:

[0006] A mainboard body and a processor, a control component and a connection port disposed on the mainboard body;

[0007] Among them, the control components include memory chips, EMMC chips, Ethernet Gigabit PHY chips, USB HUB chips, MIPI to LVDS chips, PMIC power management chips, RTC chips, MCU chips, Wi-Fi modules, RS232 conversion chips, RS485 conversion chips and CAN transceiver chips;

[0008] The connection ports include display interface, touch screen interface, RJ45 network port, USB interface, audio interface, microphone interface, amplifier interface, hard disk interface, COM interface, Debug interface, CAN interface, PCIE interface, M.2 interface, SIM card interface, MIPICAM interface, IR / ADC / indicator light interface, GPIO interface and TF card interface;

[0009] The memory particles, the EMMC particles, the Ethernet Gigabit PHY chip, the USB HUB chip, the MIPI to LVDS chip, the PMIC power management chip, the RTC chip, the MCU chip, the Wi-Fi module, the RS232 conversion chip, the RS485 conversion chip, the CAN transceiver chip, the display interface, the touch screen interface, the audio interface, the power amplifier interface, the hard disk interface, the COM interface and the Debug interface are all electrically connected to the processor; the RJ45 network port is electrically connected to the processor through the Ethernet Gigabit PHY chip; the USB interface is electrically connected to the processor through the USB HUB chip.

[0010] In some possible implementations, the display interface includes an LVDS interface, an HDMI OUT interface, and an eDP interface; the eDP interface and the HDMI OUT interface are both electrically connected to the processor, and the LVDS interface is electrically connected to the processor via a MIPI to LVDS chip.

[0011] In some possible implementations, the USB interface includes a USB2.0 Type A interface, several USB2.0 PH interfaces and a USB3.0 Type A interface, the USB2.0 TYPE A interface is electrically connected to the processor, the USB3.0 TYPE C interface is electrically connected to the processor, and the USB2.0 PH interface is electrically connected to the processor through the USB HUB chip.

[0012] In some possible implementations, the COM interface includes a TTL PH interface, an RS232 XH interface and an RS485 PH interface, the TTL PH interface is electrically connected to the processor; the RS232 XH interface is electrically connected to the processor through the RS232 conversion chip; the RS485 PH interface is electrically connected to the processor through the RS485 conversion chip; the Debug interface includes a chip burning interface, an MCU burning interface and a debugging interface, and the chip burning interface, the MCU burning interface and the debugging interface are all electrically connected to the processor.

[0013] In some possible implementations, the Debug interface includes an MCU burning interface and a debugging interface, the MCU burning interface is electrically connected to the MCU chip; the debugging interface is electrically connected to the processor.

[0014] In some possible implementations, an audio Codec module is integrated in the PMIC power management chip, and the audio interface, the power amplifier interface, and the microphone interface are all electrically connected to the processor through the PMIC power management chip.

[0015] In some possible implementations, the touch screen interface is an I2C interface, which is electrically connected to the processor; the hard disk interface and the M.2 interface are both electrically connected to the processor; the MIPI CAM interface is electrically connected to the processor; the IR / ADC / indicator light interface is electrically connected to the processor; the GPIO interface is electrically connected to the processor; the TF card interface is electrically connected to the processor, and the SIM card interface is connected to the PCIE interface.

[0016] In some possible implementations, a power supply battery is further included, and the power supply battery is used to be electrically connected to the RTC chip and supply power to the RTC chip.

[0017] In some possible implementations, the motherboard uses a high-performance Rockchip microprocessor, the memory particles are LPDDR4 / LPDDR4X, and the capacity can be selected from 2GB, 4GB or 8GB; the capacity of EMMC particles can be selected from 16GB, 32GB, 64G or 128GB.

[0018] In order to achieve the above-mentioned object, in a second aspect, the present invention further provides a visitor machine, comprising a housing and a visitor machine mainboard as described above housed in the housing.

[0019] The beneficial effects of adopting the above implementation are:

[0020] The utility model adopts a high-performance microprocessor and designs a variety of input and output interfaces, network communication interfaces and storage interfaces on the processor, so that the guest machine equipped with the motherboard has a wealth of expansion interface resources, and a large number of supporting accessories can be designed internally and a large number of external devices can be connected externally. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is a circuit structure diagram of an embodiment of the visitor machine mainboard provided by the utility model. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0024] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The utility model provides a visitor machine mainboard and a visitor machine, which are respectively described below.

[0027] In the embodiment of the present utility model, a visitor machine mainboard is provided. Please refer to Figure 1 , Figure 1 This is a circuit diagram of an embodiment of the visitor machine motherboard provided by the utility model. The visitor machine motherboard includes:

[0028] A main board body (not shown) and a processor 26, control components and connection ports disposed on the main board body;

[0029] Among them, the control components include memory chips 25, EMMC chips 23, Ethernet Gigabit PHY chip 28, USB HUB chip 41, MIPI to LVDS chip 29, PMIC power management chip (ie: PMIC&codec chip 27), RTC chip 42, MCU chip 31, Wi-Fi module 21, RS232 conversion chip 34, RS485 conversion chip 33 and CAN transceiver chip 34;

[0030] The connection ports include display interface, touch screen interface 3, RJ45 network port 20, USB interface, audio interface 37, microphone interface 38, amplifier interface 4, hard disk interface 30 (ie: SATA3.0), COM interface 100, Debug interface 36, CAN interface 14, PCIE interface 24, M.2 interface, SIM card interface 35, MIPI CAM interface 40, IR / ADC / indicator interface 5, GPIO interface 6 and TF card interface 18;

[0031] The memory particles 25, the EMMC particles 23, the Ethernet Gigabit PHY chip 28, the USB HUB chip 41, the MIPI to LVDS chip 29, the PMIC power management chip 27, the RTC chip 42, the MCU chip 31, the Wi-Fi module 21, the RS232 conversion chip 34, the RS485 conversion chip 33, the CAN transceiver chip 32, the display interface, the touch screen interface 3, the audio interface 37, the power amplifier interface 4, the hard disk interface 30, the COM interface 100 and the Debug interface 36 are all electrically connected to the processor; the RJ45 network port 20 is electrically connected to the processor 26 through the Ethernet Gigabit PHY chip 28; the USB interface is electrically connected to the processor 26 through the USB HUB chip 41.

[0032] In some possible implementations, the display interface includes an LVDS interface 1, an HDMI OUT interface 19, and an eDP interface 6; the eDP interface 6 and the HDMI OUT interface 19 are electrically connected to the processor, and the LVDS interface 1 is electrically connected to the processor 26 via a MIPI to LVDS chip 29. The guest machine mainboard outputs the information that the device needs to display to the display connected to the eDP interface 2 and the LVDS interface 1.

[0033] In some possible implementations, the USB interface includes a USB2.0 Type A interface 16, several USB2.0 PH interfaces 7 / 8 / 9 / 13 and a USB3.0 Type A interface 17, the USB2.0 TYPE A interface 16 is electrically connected to the processor, the USB3.0 TYPE C interface 17 is electrically connected to the processor, and the USB2.0 PH interface 7 / 8 / 9 / 13 is electrically connected to the processor via the USBHUB chip 41. Specifically, the USB2.0 Type A port and the USB3.0 Type A port can achieve high-speed reading and writing, and can be easily compatible and smoothly used with common devices such as printers, USB cameras, fingerprint scanners, etc.; the USB3.0 Type A port can also be electrically connected to an external PC interface, and can perform data transmission and software upgrades.

[0034] In some possible implementations, the COM interface 100 includes a TTL PH interface 1000 / 1001, an RS232 XH interface 1005, and an RS485 PH interface 1002, wherein the TTL PH interface 1000 / 1001 is electrically connected to the processor 26; the RS232 XH interface 1005 is electrically connected to the processor via the RS232 conversion chip 34; the RS485 PH interface 1002 is electrically connected to the processor via the RS485 conversion chip 33; the Debug interface 36 includes a chip burning interface, an MCU burning interface, and a debugging interface, wherein the chip burning interface, the MCU burning interface, and the debugging interface are all electrically connected to the processor 26. In one embodiment, two TTL PH interfaces 1000 / 1001, two RS232 XH interfaces 1005, and one RS485 PH interface 1002 can be used to implement the forwarding of communication messages between the industrial control board and the operation and maintenance terminal, as well as the recognition of instructions using the COM interface 100.

[0035] In some possible implementations, the debug interface includes an MCU burning interface and a debug interface, the MCU burning interface is electrically connected to the MCU chip 31; the debug interface is electrically connected to the processor 26. Specifically, the mainboard of the guest machine is debugged through the MCU burning interface and the debug interface.

[0036] In some possible implementations, the PMIC power management chip 27 is integrated with an audio Codec module, and the audio interface 37, the power amplifier interface 4, and the microphone interface 38 are all electrically connected to the processor 26 through the PMIC power management chip 27. The PMIC power management chip 27 is integrated with an audio Codec module, thereby reducing the circuit connections on the guest machine motherboard.

[0037] In some possible implementations, there is one RJ45 network port 20, which is electrically connected to the processor 26 via a corresponding Ethernet Gigabit PHY chip 28. The network interface is a Gigabit network port, supporting 10 / 100 / 1000Mbps network, and can be connected to the network for communication between the operation and maintenance terminal and the object to be operated and maintained according to actual usage requirements.

[0038] In some possible implementations, the touch screen interface 3 is an I2C interface, electrically connected to the processor 26; the hard disk interface 30 and the M.2 interface 3 are both electrically connected to the processor 26; the MIPI CAM interface 40 is electrically connected to the processor 26; the IR / ADC / indicator interface 5 is electrically connected to the processor 26; the GPIO interface 6 is electrically connected to the processor 26; the TF card interface 18 is electrically connected to the processor 26, the SIM card interface 35 is connected to the PCIE interface 24, and the PCIE interface 24 is electrically connected to the processor 26. The touch screen interface 3 is an I2C interface. The mainboard of the guest machine is connected to the external touch screen via the I2C interface. The touch signal transmitted by the touch screen via the I2C interface will be received by the processor 26, and then the guest machine is controlled.

[0039] Specifically, the SATA 3.0 interface 30 and the M.2 Key-B interface 22 are both electrically connected to the processor 26. The M.2 Key-B interface 22 can support the 5G module of the B-KEY PCIE M.2 NGFF interface, which can achieve 5G high-speed Internet access; the SATA 3.0 interface 30 can support a variety of SATA hard disks with a maximum transmission rate of up to 6Gbps / s (750MB / s). It should be noted that the M.2 interface is a new interface specification launched by Intel to replace the original mSATA interface. Whether it is a smaller specification size or a higher transmission performance, M.2 is far superior to the mSATA interface.

[0040] In some possible implementations, a power supply battery is further included, and the power supply battery is used to be electrically connected to the RTC chip 39 and to supply power to the RTC chip 39. The RTC chip 39 uses a high-precision crystal oscillator as a clock source, and an additional power supply battery is added to power the RTC chip 39, so that the RTC chip 39 can still work when the main power supply is off, thereby providing an accurate time reference for the guest machine.

[0041] In some possible implementations, the mainboard uses a high-performance Rockchip microprocessor, and designs a rich input and output interface, network communication interface and storage interface on the processor 26, such as a display interface, a touch screen interface 3, an RJ45 network port 20, a USB interface, an audio interface 37, an amplifier interface 4, a hard disk interface 30, a COM interface 100, a Debug interface 36, etc., so that the guest machine with the mainboard is provided with a rich interface resource, and a large number of external devices can be connected, which can meet the requirements of the guest machine for security authentication, real-time management, and visitor records. Moreover, the mainboard size of the guest machine is 146mm*100mm, and the thickness at the highest point is only 16mm, which makes the mainboard have small size and ultra-thin small volume. The memory particle 25 is LPDDR4 / LPDDR4X, and the capacity can be selected from 2GB, 4GB or 8GB; the capacity of the EMMC particle 23 can be selected from 16GB, 32GB, 64G or 128GB. Different grades of memory can be selected according to the use scenario and needs of the equipment, fully meeting the needs of the operation and maintenance guest machine mainboard for different applications in multiple scenarios.

[0042] In order to achieve the above object, in a second aspect, the present invention further provides a visitor machine, comprising a housing and a visitor machine motherboard as described above housed in the housing. The specific structure of the visitor machine motherboard in the visitor machine refers to the above embodiment. Since the visitor machine adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0043] In summary, the utility model adopts a high-performance microprocessor and designs a rich input and output interface, network communication interface and storage interface on the processor, so that the guest machine equipped with this motherboard has rich expansion interface resources, and a large number of supporting accessories can be designed internally and a large number of external devices can be connected externally.

[0044] Furthermore, the key to the design of the visitor machine motherboard provided by the utility model lies in its comprehensive and integrated interface design, which can meet the needs of various application scenarios and provide high flexibility and scalability. It has the following key features:

[0045] 1. Diversity of interfaces: The guest machine motherboard provides a wide range of interface types, including high-speed PCIE, M.2 for expanding SSD or other high-speed devices, and multiple USB interfaces to meet the needs of different speeds and uses. This diversity ensures that the motherboard can adapt to a variety of peripherals and functional modules without the need for additional adapters or expansion cards.

[0046] 2. Network communication capability: The integrated 1000M Ethernet port ensures a stable network connection, which is an important feature for applications that require high bandwidth and low latency. The provision of COM and CAN ports facilitates serial communication and controller area network communication, which is particularly useful in the field of industrial control.

[0047] 3. Display technology support: The integration of LVDS, eDP and HDMI OUT interfaces provides connection options for a variety of display devices, from traditional monitors to the latest high-definition display devices.

[0048] 4. Integration of analog and digital signals: The design of GPIO, ADC interface, power amplifier interface, etc. enables the motherboard to process and output analog signals, which provides convenience for certain specific applications such as audio processing, analog device control, etc.

[0049] 5. Multimedia support: The integration of audio interface and microphone interface allows the motherboard to easily handle audio input and output, which is very important for multimedia applications, voice communication, etc.

[0050] 6. Convenience of storage and debugging: TF card interface and SATA interface provide flexible storage options, while the debugging interface facilitates fault diagnosis and system debugging during the development process.

[0051] The utility model realizes the diversity and integration of interfaces, and integrates all these functions on a mainboard, which not only reduces the complexity and cost of the system, but also improves the reliability and usability of the system. In addition, this design also provides great flexibility, and users can choose which interfaces to use according to their needs, providing customization possibilities for different application scenarios.

[0052] The visitor machine motherboard and the visitor machine provided by the utility model are introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation mode of the utility model. The description of the above embodiments is only used to help understand the core idea of ​​the visitor machine motherboard and the visitor machine of the utility model; at the same time, for technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A visitor machine mainboard, characterized in that: include: A mainboard body and a processor, a control component and a connection port disposed on the mainboard body; Among them, the control components include memory chips, EMMC chips, Ethernet Gigabit PHY chips, USB HUB chips, MIPI to LVDS chips, PMIC power management chips, RTC chips, MCU chips, Wi-Fi modules, RS232 conversion chips, RS485 conversion chips and CAN transceiver chips; The connection ports include display interface, touch screen interface, RJ45 network port, USB interface, audio interface, microphone interface, amplifier interface, hard disk interface, COM interface, Debug interface, CAN interface, PCIE interface, M.2 interface, SIM card interface, MIPI CAM interface, IR / ADC / indicator interface, GPIO interface and TF card interface; The memory particles, the EMMC particles, the Ethernet Gigabit PHY chip, the USB HUB chip, the MIPI to LVDS chip, the PMIC power management chip, the RTC chip, the MCU chip, the Wi-Fi module, the RS232 conversion chip, the RS485 conversion chip, the CAN transceiver chip, the display interface, the touch screen interface, the audio interface, the power amplifier interface, the hard disk interface, the COM interface and the Debug interface are all electrically connected to the processor; the RJ45 network port is electrically connected to the processor through the Ethernet Gigabit PHY chip; the USB interface is electrically connected to the processor through the USB HUB chip.

2. The visitor machine mainboard according to claim 1, characterized in that: The display interface includes an LVDS interface, an HDMI OUT interface and an eDP interface; the eDP interface and the HDMI OUT interface are both electrically connected to the processor, and the LVDS interface is electrically connected to the processor via a MIPI to LVDS chip.

3. The visitor machine mainboard according to claim 1, characterized in that: The USB interface includes a USB2.0 Type A interface, several USB2.0 PH interfaces and a USB3.0 Type A interface. The USB2.0 TYPE A interface is electrically connected to the processor, the USB3.0 TYPE C interface is electrically connected to the processor, and the USB2.0 PH interface is electrically connected to the processor through the USB HUB chip.

4. The visitor machine mainboard according to claim 1, characterized in that: The COM interface includes a TTL PH interface, an RS232 XH interface and an RS485 PH interface, the TTL PH interface is electrically connected to the processor; the RS232 XH interface is electrically connected to the processor through the RS232 conversion chip; the RS485 PH interface is electrically connected to the processor through the RS485 conversion chip; the Debug interface includes a chip burning interface, an MCU burning interface and a debugging interface, and the chip burning interface, the MCU burning interface and the debugging interface are all electrically connected to the processor.

5. The visitor machine mainboard according to claim 1, characterized in that: The debug interface includes an MCU burning interface and a debug interface. The MCU burning interface is electrically connected to the MCU chip; the debug interface is electrically connected to the processor.

6. The visitor machine mainboard according to claim 1, characterized in that: The PMIC power management chip integrates an audio Codec module, and the audio interface, power amplifier interface and microphone interface are all electrically connected to the processor through the PMIC power management chip.

7. The visitor machine mainboard according to claim 1, characterized in that: The touch screen interface is an I2C interface, which is electrically connected to the processor; the hard disk interface and the M.2 interface are both electrically connected to the processor; the MIPI CAM interface is electrically connected to the processor; the IR / ADC / indicator light interface is electrically connected to the processor; the GPIO interface is electrically connected to the processor; the TF card interface is electrically connected to the processor, and the SIM card interface is connected to the PCIE interface.

8. The visitor machine mainboard according to claim 1, characterized in that: It also includes a power supply battery, which is used to be electrically connected to the RTC chip and supply power to the RTC chip.

9. The visitor machine mainboard according to claim 1, characterized in that: The motherboard uses a high-performance Rockchip microprocessor, and the memory particles are LPDDR4 / LPDDR4X, with optional capacities of 2GB, 4GB or 8GB; the capacity of EMMC particles can be selected from 16GB, 32GB, 64G or 128GB.

10. A visitor machine, characterized in that: The invention comprises a shell and a mainboard of a visitor machine as claimed in any one of claims 1 to 9 accommodated in the shell.

Images