CN210573739U

CN210573739U - User-defined modular display device based on android system

Info

Publication number: CN210573739U
Application number: CN201922092686.2U
Authority: CN
Inventors: 孟祥梯; 万留美; 唐永新
Original assignee: Shenzhen Eybond Co ltd
Current assignee: Shenzhen Eybond Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-19
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a self-defined modular display device based on android system, including the machine case and set up in power module in the machine case, with a plurality of display mainboards that the power module electricity is connected and with each display mainboard through the USB concentrator that the USB line corresponds to be connected, be provided with the H3 host system that comprises arithmetic unit, controller, register group and internal bus on each display mainboard; the circuit control system is further provided with a circuit control system which is composed of the H3 main control module, a DDR circuit, an EMMC circuit and a PMC power module, wherein the DDR circuit, the EMMC circuit and the PMC power module are electrically connected with the H3 main control module. The utility model discloses a modularization display device based on tall and erect system of ann can reduce the development time of product, increases the flexibility of product, through the combination to different demonstration mainboards realize different display effects, accomplishes the development of product fast, saves time for the product development.

Description

User-defined modular display device based on android system

Technical Field

The utility model relates to a show technical field, specific saying so relates to a self-defined modularization display device based on tall and erect system of ann.

Background

In the development of the existing android system display products, a single-board design scheme is adopted, contents are displayed through a display port, and when different contents need to be displayed simultaneously, software split screens or hardware added display interfaces are needed to realize the display.

In terms of hardware, if one path of interface is added every time a display screen is added, the board needs to be changed continuously, and meanwhile, more than 2 paths of display output are difficult to support by one main control, so that the development cost of product development is increased.

SUMMERY OF THE UTILITY MODEL

To not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a self-defined modularization display device based on tall and erect system of ann, and the purpose of designing this modularization display device is that the mode through the combination display integrated circuit board realizes the different content of simultaneous display as required.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a self-defined modularization display device based on tall and erect system of ann, including quick-witted case and set up in power module of machine incasement, with a plurality of demonstration mainboards that the power module electricity is connected and with each USB concentrator that shows the mainboard and correspond the connection through the USB line, each shows and is provided with on the mainboard:

the H3 main control module is composed of an arithmetic unit, a controller, a register group and an internal bus;

and the circuit control system consists of the H3 main control module, and a DDR circuit, an EMMC circuit and a PMC power module which are electrically connected with the H3 main control module.

Furthermore, the H3 main control module is also electrically connected with an HDMI interface, the HDMI interface is connected with two output interfaces, one is an HDMI OUT output interface, and the other is an HDMI-to-VGA output interface.

Furthermore, H3 master control module still electricity is connected with a plurality of UART serial ports, and a plurality of UART serial ports include DEUBG serial port, RS232 serial port and RS485 serial port.

Further, the multiple register groups electrically connected with the H3 main control module include a DRAMC register, a NAND register, and an SD register.

Further, the SD register is provided with a TF CARD expansion slot.

Further, the H3 main control module is electrically connected to an OSC 24M active crystal oscillator and an OSC 32K active crystal oscillator.

Furthermore, the H3 main control module is also electrically connected with an IR RX infrared interface, an EPHY Ethernet interface, a UBOOT driving interface and a GPIO general purpose i/o port.

Furthermore, the EPHY Ethernet interface adopts a connector with an RJ45 structure to connect with an external network.

Further, H3 master control module still is connected with 4G module, WIFI module and wired network interface electrically.

Furthermore, in the circuit of the PMC power module, an AXP8036 is adopted as a power control chip, the AXP8036 chip is connected to a 5V voltage, the 5V voltage circuit is connected to four VIN pins and a VCC pin of the AXP8036 chip, the power control chip is further connected to 5 capacitors, the other ends of the 5 capacitors are connected to each other and grounded, an SW1 pin of the AXP8036 chip is connected to an inductor L10, the other end of the inductor L10 is connected to a VCC _ IO interface, an FB1 pin of the AXP8036 chip is connected to a resistor R29, a capacitor C0402 and a resistor R30, the other end of the resistor R30 is grounded, the other ends of the resistor R29 and the capacitor C0402 are connected to a VCC _ IO interface, one ends of the capacitor C48 and the capacitor C47 are grounded, and the other end of the capacitor C3580 is connected to a VCC _ IO interface; an inductor L8 is connected to a SW2 pin of the AXP8036 chip, the other end of the inductor L8 is connected to a VDD _ CPUX interface, one ends of a capacitor C187, a capacitor C308 and a capacitor C185 are connected to each other and grounded, and the other end of the capacitor C187, the capacitor C308 and the capacitor C185 are connected to the VDD _ CPUX interface; the FB2 end of the AXP8036 chip is respectively connected with a resistor R233, a capacitor C182 and a resistor R235, the other end of the resistor R235 is grounded, and the other ends of the resistor R233 and the capacitor C182 are connected with each other and connected to a VDD _ CPUFB1 interface; an inductor L7 and a resistor R28 which are connected in series are connected between an SW3 pin and an FB3 pin of the AXP8036 chip, an inductor L9 is connected to the inductor L7 in parallel, a capacitor C60 is connected to the resistor R28 in parallel, the FB3 of the AXP8036 chip is also connected with a resistor R27, the other end of the resistor R27 is grounded, a circuit between the inductor L7 and the resistor R28 is connected to a VCC _1V2 interface, one ends of the capacitor C58, the capacitor C304 and the capacitor C59 are respectively grounded, and the other ends of the capacitors are connected to a VCC _1V2 interface; an SW4 pin of the AXP8036 chip is connected with an inductor L6, the other end of the inductor L6 is connected to a VCC _ DRAM interface, one ends of a capacitor C45 and a capacitor C46 are respectively grounded, the other ends of the capacitor C45 and the capacitor C46 are connected to the VCC _ DRAM interface, a resistor R25 and a capacitor C44 are connected in parallel, one end of the resistor R25 and the other end of the resistor R44 which are connected in parallel are connected with an FB4 pin and a resistor R26 of the AXP8036 chip, the other end of the resistor R26 which is connected in parallel is connected to.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a modularization display device based on tall and erect system of ann is when the switch-on back, changes into the required 12V power of display panel to AC220 through power supply, provides power indication simultaneously, shows different pictures on the display panel after going up, and the user can go into mouse keyboard through the preceding USB mouth of quick-witted case and control the content on each display screen. The utility model discloses a modularization display device based on tall and erect system of ann can reduce the development time of product, increases the flexibility of product, through the combination to different demonstration mainboards realize different display effects, accomplishes the development of product fast, saves time for the product development.

Drawings

Fig. 1 is a schematic structural view of the modular display device of the present invention.

Fig. 2 is the utility model discloses modularization display device structure block diagram based on tall and erect system of ann.

Fig. 3 is the utility model discloses modularization display device's based on tall and erect system of ann circuit schematic block diagram.

Fig. 4 is a partial circuit diagram of the H3 main control module connected to the GPIO general i/o port.

Fig. 5 is a partial circuit diagram of the master control module of H3 according to the present invention, which is connected to the SDC1 power management circuit.

Fig. 6 is the utility model discloses among the H3 host system, its local circuit diagram with PMC power module circuit connection.

Fig. 7 is a partial circuit diagram of the main control module H3 connected to the AUDIO CODEC interface, the HDMI interface, the EPHY interface, and the TVOUT interface, respectively.

Fig. 8 is a partial circuit diagram of the master control module of H3 according to the present invention, which is connected to the USB interface and the SYS interface respectively.

Fig. 9 is a partial circuit diagram of the master control module of H3 according to the present invention, which is connected to the CPUS interface.

Fig. 10 is a partial circuit diagram of the EMMC circuit according to the present invention, which is connected to a NAND register.

Fig. 11 is a partial circuit diagram of the EMMC circuit of the present invention.

Figure 12 is the left part circuit diagram of the PMC power module of the present invention.

Figure 13 is the utility model discloses PMC power module's right part circuit diagram.

Fig. 14 is a circuit diagram of the present invention from HDMI to VGA.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1: the utility model discloses a concrete structure as follows:

please refer to fig. 1-3, the utility model discloses a self-defined modularization display device based on tall and erect system of ann, including quick-witted case 1 and set up in power module 2 in quick-witted case 1, with a plurality of display mainboard 4 that the power module 2 electricity is connected and with each display mainboard 4 through the USB line USB concentrator 3 of corresponding connection, be provided with on each display mainboard 4:

A preferred technical solution of this embodiment: the H3 main control module still electricity is connected with the HDMI interface, the HDMI interface connection has two output interface, and one is HDMI OUT output interface, and another is HDMI changes VGA output interface.

A preferred technical solution of this embodiment: the H3 main control module still electricity is connected with a plurality of UART serial ports, and a plurality of UART serial ports include DEUBG serial port, RS232 serial port and RS485 serial port. The RS232 serial port is connected with an RS232 circuit, the RS485 serial port is connected with an RS485 circuit, and the RS232 circuit and the RS485 circuit convert a master control serial port into communication of an industrial interface so that a single board can process RS232 and RS485 signals of the commonly used industrial interface;

a preferred technical solution of this embodiment: the multiple register groups electrically connected with the H3 main control module comprise a DRAMC register, a NAND register and an SD register.

A preferred technical solution of this embodiment: the SD register is provided with a TF CARD expansion slot. The TF card interface provides the functions of local system upgrade and data storage.

A preferred technical solution of this embodiment: the H3 main control module is also electrically connected with an OSC 24M active crystal oscillator and an OSC 32K active crystal oscillator.

A preferred technical solution of this embodiment: and the H3 main control module is also electrically connected with an IR RX infrared interface, an EPHY Ethernet interface, a UBOOT driving interface and a GPIO general i/o port.

A preferred technical solution of this embodiment: the EPHY Ethernet interface is connected with an external network by adopting a connector with an RJ45 structure.

A preferred technical solution of this embodiment: h3 master control module still is connected with 4G module, WIFI module and wired network interface electrically.

Example 2:

the utility model discloses a CPU treater of H3 host system adopts the chip of H3-BGA3XX _11 model.

As shown in fig. 4, fig. 4 is a partial circuit diagram of the H3 main control module connected to the GPIO general i/o port, where the CPU is connected to the external device and the memory and exchanges data through the GPIO general i/o port, and the GPIO general i/o port is responsible for implementing the system bus to connect the i/o circuit and the peripheral device together.

Fig. 5 is in the utility model discloses among the H3 main control module, its local circuit diagram with SDC1 power management circuit connection, the access of SDC1 power management circuit the VCC _ PG foot of H3 main control module, this SDC1 power management circuit are used for managing the power.

Fig. 6 is the utility model discloses among the H3 host system, its local circuit diagram with PMC power module circuit connection. The PMC power module circuit supplies power to each module, is connected to a 12V power supply, and reduces the voltage of the power supply to 5V/2A, and finally distributes the voltage to each module.

As shown in fig. 12-13, the power management chip of the PMC power module circuit employs AXP8036, and the AXP8036 chip is a highly integrated power management integrated circuit, aiming to minimize power consumption in user and multimedia applications. The AXP8036 chip is connected with 5V voltage, the 5V voltage circuit is connected with four VIN pins and a VCC pin of the AXP8036 chip, the 5V voltage circuit is also respectively connected with 5 capacitors, the other ends of the 5 capacitors are connected with each other and grounded, the SW1 pin of the AXP8036 chip is connected with an inductor L10, the other end of the inductor L10 is connected with a VCC _ IO interface, the FB1 pin of the AXP8036 chip is respectively connected with a resistor R29, a capacitor C0402 and a resistor R30, the other end of the resistor R30 is grounded, the other ends of the resistor R29 and the capacitor C0402 are connected with each other and connected with the VCC _ IO interface, one ends of the capacitor C48 and the capacitor C47 are respectively grounded, and the other ends of the capacitor C29 and the capacitor. An inductor L8 is connected to a SW2 pin of the AXP8036 chip, the other end of the inductor L8 is connected to a VDD _ CPUX interface, one ends of a capacitor C187, a capacitor C308 and a capacitor C185 are connected to each other and grounded, and the other end of the capacitor C187, the capacitor C308 and the capacitor C185 are connected to the VDD _ CPUX interface. The FB2 end of the AXP8036 chip is respectively connected with a resistor R233, a capacitor C182 and a resistor R235, the other end of the resistor R235 is grounded, and the other ends of the resistor R233 and the capacitor C182 are connected with each other and connected to a VDD _ CPUFB1 interface. An inductor L7 and a resistor R28 which are connected in series are connected between an SW3 pin and an FB3 pin of the AXP8036 chip, an inductor L9 is connected on the inductor L7 in parallel, a capacitor C60 is connected on the resistor R28 in parallel, a resistor R27 is further connected to the FB3 of the AXP8036 chip, the other end of the resistor R27 is grounded, a circuit between the inductor L7 and the resistor R28 is connected to a VCC _1V2 interface, one ends of the capacitor C58, the capacitor C304 and the capacitor C59 are respectively grounded, and the other ends of the capacitors are connected to a VCC _1V2 interface. An SW4 pin of the AXP8036 chip is connected with an inductor L6, the other end of the inductor L6 is connected to a VCC _ DRAM interface, one ends of a capacitor C45 and a capacitor C46 are respectively grounded, the other ends of the capacitor C45 and the capacitor C46 are connected to the VCC _ DRAM interface, a resistor R25 and a capacitor C44 are connected in parallel, one end of the resistor R25 and the other end of the resistor R44 which are connected in parallel are connected with an FB4 pin and a resistor R26 of the AXP8036 chip, the other end of the resistor R26 which is connected in parallel is connected to.

The utility model discloses a PMC power module is the circuit that is used for converting voltage and electric current, converts the single way voltage of input into the required voltage of other boards on the board through PMC power chip AXP 8036.

Example 3:

fig. 14 is a circuit diagram of the present invention, in which the chip used in the HDMI to VGA circuit is CH7101B, and CH7101B is a low-cost, low-power semiconductor device, which includes an HDMI receiver, a trisection 9 video digital-to-analog converter (DAC) and an audio encoder, and it can be converted into VGA output. The HDMI-to-VGA circuit is a circuit for converting an HDMI signal into a VGA signal, and can output and display the VGA signal on a display device only supporting VGA input through conversion into the VGA signal.

Fig. 7 is a partial circuit diagram of the main control module H3 connected to the AUDIO CODEC interface, the HDMI interface, the EPHY interface, and the TVOUT interface, respectively. The AUDIO CODEC interface is an AUDIO output interface, the HDMI interface is a high-definition video output interface, the EPHY interface is an Ethernet output interface, and the TVOUT interface is a video output interface.

Fig. 8 is a partial circuit diagram of the master control module of H3 according to the present invention, which is connected to the USB interface and the SYS interface respectively. The USB interface is connected to the USB concentrator, and the SYS interface is an interface of the access system, which is connected to the host system.

Fig. 9 is a partial circuit diagram of the master control module of H3 according to the present invention, which is connected to the CPUS interface. The CPUS interface is connected with a CPUS circuit, the CPUS circuit refers to the number of logic CPUs, and the number of real CPU cores of threads is not considered, namely the number of packaging cores of a single CPU is multiplied by the number of slots.

Fig. 10 is a partial circuit diagram of the EMMC circuit according to the present invention, which is connected to the NAND register, and fig. 11 is a partial circuit diagram of the EMMC circuit according to the present invention. The control chip used in the EMMC circuit is EMMC5_0_ BGA169, the EMMC circuit is used for storing system files, application programs, user data and other data, and the connected register set is used for storing.

H3 master control module still is connected with 4G module, WIFI module and wired network interface electrically. The 4G module part expands the network connection mode of the single board, so that the single board can access the Internet to acquire network data by using a 4G network. The WIFI circuit module provides a wireless network function, so that the single board can acquire network data through WIFI, and the wired network interface provides wired network connection, so that the single board can acquire the network data through the wired network.

According to the technology, one single board is designed, one single board can realize one display content, and each board only needs to display one picture, so that the occupation of system resources is reduced, and the display is clearer. Different display images required by customers are realized by burning different display software on different single boards, so that the development time of hardware only occupies the development time of one main board, but different display image requirements can be met. Meanwhile, the different single boards pass through the USB port integrated controller, and all display screens are controlled by a set of keyboard and mouse to achieve the use experience of a single main board. When the power is switched on, the alternating current AC220 is changed into the 12V power required by the display panel through the power supply, the power indication is provided, different pictures are displayed after the display panel is electrified, and a user can enter a mouse keyboard through a USB port in the front of the case to control the content on each display screen.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a self-defined modularization display device based on tall and erect system of ann, include quick-witted case (1) and set up in power module (2) in quick-witted case (1), with a plurality of display mainboard (4) that power module (2) electricity is connected and with each display mainboard (4) through USB line corresponding connection's USB concentrator (3), its characterized in that: each display main board (4) is provided with:

2. The android system-based custom modular display device of claim 1, wherein: the H3 main control module still electricity is connected with the HDMI interface, the HDMI interface connection has two output interface, and one is HDMI OUT output interface, and another is HDMI changes VGA output interface.

3. The android system-based custom modular display device of claim 1, wherein: the H3 main control module still electricity is connected with a plurality of UART serial ports, and a plurality of UART serial ports include DEUBG serial port, RS232 serial port and RS485 serial port.

4. The android system-based custom modular display device of claim 1, wherein: the multiple register groups electrically connected with the H3 main control module comprise a DRAMC register, a NAND register and an SD register.

5. The android system-based custom modular display device of claim 4, wherein: the SD register is provided with a TF CARD expansion slot.

6. The android system-based custom modular display device of claim 1, wherein: the H3 main control module is also electrically connected with an OSC 24M active crystal oscillator and an OSC 32K active crystal oscillator.

7. The android system-based custom modular display device of claim 1, wherein: and the H3 main control module is also electrically connected with an IR RX infrared interface, an EPHY Ethernet interface, a UBOOT driving interface and a GPIO general i/o port.

8. The android system-based custom modular display device of claim 7, wherein: the EPHY Ethernet interface is connected with an external network by adopting a connector with an RJ45 structure.

9. The android system-based custom modular display device of claim 1, wherein: h3 master control module still is connected with 4G module, WIFI module and wired network interface electrically.

10. The android system-based custom modular display device of claim 1, wherein: in a circuit of the PMC power module, a power management chip of the PMC power module is connected with a 5V voltage, the 5V voltage circuit is connected with four VIN pins and a VCC pin of the power management chip, the power management chip is also connected with 5 capacitors respectively, the other ends of the 5 capacitors are connected with each other and grounded, a SW1 pin of the power management chip is connected with an inductor L10, the other end of the inductor L10 is connected with a VCC _ IO interface, an FB1 pin of the power management chip is connected with a resistor R29, a capacitor C0402 and a resistor R30 respectively, the other end of the resistor R30 is grounded, the other ends of the resistor R29 and the capacitor C0402 are connected with each other and connected with the VCC _ IO interface, one ends of the capacitor C48 and the capacitor C47 are grounded respectively, and the other end of the capacitor; an SW2 pin of the power management chip is connected with an inductor L8, the other end of the inductor L8 is connected to a VDD _ CPUX interface, one ends of a capacitor C187, a capacitor C308 and a capacitor C185 are connected with each other and grounded, and the other end of the capacitor C187, the capacitor C308 and the capacitor C185 are connected to the VDD _ CPUX interface; the FB2 end of the power management chip is respectively connected with a resistor R233, a capacitor C182 and a resistor R235, the other end of the resistor R235 is grounded, and the other ends of the resistor R233 and the capacitor C182 are connected with each other and connected to a VDD _ CPUFB1 interface; an inductor L7 and a resistor R28 which are connected in series are connected between an SW3 pin and an FB3 pin of the power management chip, an inductor L9 is connected on the inductor L7 in parallel, a capacitor C60 is connected on the resistor R28 in parallel, the FB3 of the power management chip is also connected with a resistor R27, the other end of the resistor R27 is grounded, a circuit between the inductor L7 and the resistor R28 is connected to a VCC _1V2 interface, one ends of the capacitor C58, the capacitor C304 and the capacitor C59 are respectively grounded, and the other ends of the capacitor C7 and the capacitor C59 are connected to a VCC _1V2 interface; the SW4 pin of power management chip is connected with inductor L6, and VCC _ DRAM interface is accessed to inductor L6's the other end, and electric capacity C45 and electric capacity C46's one end ground connection respectively, and VCC _ DRAM interface is accessed to its other end, and resistance R25 and electric capacity C44 are parallelly connected, and its one end after parallelly connected is connected FB4 pin and resistance R26 of power management chip, and VCC _ DRAM interface is accessed to its other end after parallelly connected, resistance R26's other end ground connection.