CN211015498U

CN211015498U - Kernel plate and expansion board framework based on USBType-C interconnection

Info

Publication number: CN211015498U
Application number: CN202020103669.4U
Authority: CN
Inventors: 赵浩峰; 李晓涛
Original assignee: Shenzhen Jifang Industrial Control Co ltd
Current assignee: Shenzhen Jifang Industrial Control Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-07-14
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a nuclear core plate and expansion board framework based on USBType-C interconnection, including CPU nuclear core plate, interface expansion board and demonstration drive plate, CPU nuclear core plate passes through USB Type-C wire rod with the interface expansion board and is connected, interface expansion board and demonstration drive plate pass through USB Type-C wire rod and connect, and the demonstration drive plate realizes supplying power and providing the display signal for the display screen through self-defined Type-C interface, through different demonstration drive plates, can support the different display screens of EDP/L VDS/MIPI, and the USB signal that provides through Type-C interface supports USB touch-sensitive screen and camera application.

Description

Kernel plate and expansion board framework based on USBType-C interconnection

Technical Field

The utility model relates to an internet nuclear core plate technical field specifically is a nuclear core plate and expansion board framework based on USBType-C interconnection.

Background

The mode of combining the core board and the expansion board of the COM-express, Q-Seven and PC104 widely used in the market at present needs the core board and the expansion board to be directly connected by the board-to-board connector, and has the following disadvantages:

1. the core board must be directly connected with the mainboard, so that the mechanism design that the core board and the interface board need to be separated at different positions of a product cannot be considered, and the flexibility of product design is limited;

2. the traditional core board scheme needs board-to-board connectors with a plurality of PIN PINs, and under the condition that the IO signal speed is higher and higher, the cost of the high-speed board-to-board connector is very high in order to avoid signal attenuation;

3. in the conventional core board scheme, a complete system can be formed only by splicing with a mainboard, and the size of the core board is very small in order to prevent the overall structure size of the spliced system from being too large, but the core board has complex components such as a CPU (central processing unit), a memory, a hard disk and the like, so that the core board has to be designed by a multilayer PCB (printed circuit board), and peripheral elements need to be miniaturized devices, so that the design difficulty and the cost of the core board are high; and one core board can only be connected with one expansion board.

SUMMERY OF THE UTILITY MODEL

The utility model provides a core board and an expansion board framework based on the USB Type-C interconnection, which solves the problem of the dispersed layout of the core board and the interface board, improves the flexibility of use, uses the standard USB Type-C wire material on the market to connect the core board and the expansion board, and has low cost and high reliability; one core board may not be limited to one expansion board, and a plurality of core boards may be expanded in a cascade or multiple type-C port form.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a core plate and extension board framework based on USBType-C interconnection, includes CPU core plate, interface extension board and shows the drive plate, CPU core plate passes through USB Type-C wire rod with the interface extension board and is connected, interface extension board and display drive plate pass through USB Type-C wire rod and connect, show the drive plate and realize supplying power and providing the display signal for the display screen through self-defined Type-C interface, through different display drive plates, can support the different display screens of EDP L VDS/MIPI, USB signal support USB touch-sensitive screen and camera application that provide through Type-C interface.

Preferably, the CPU core board is attached with a central processing unit, the central processing unit integrates a display card and an IO controller, and the central processing unit is connected with an Edp/L VDS selectable display interface, a memory interface, a USB interface, a Mini-PCI-E interface, a SATA hard disk interface, an on-board network card chip, a sound card chip, an audio circuit and an input/output chip.

Preferably, the network card chip is connected with a network card interface, and the sound card chip is connected with an audio output interface, an audio input interface and a microphone interface.

Preferably, the network card interface and the Mini-PCI-E interface support a 3G/4G module and a WIFI module, and the requirements of a client on wired and wireless networks are met.

Preferably, the interface extension board carries RS232/RS485 serial port, L PT parallel port, USB2.0/USB3.0 interface, net gape, RJ11 cashbox control interface, power input interface and the integrative interface of self-defined type-C power supply signal, can support serial ports customer to show, parallel port printer, general USB equipment.

Preferably, the RJ11 cashbox control interface supports GPIO and cashbox drivers.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a solution for interconnection of a core board and an expansion board of a novel embedded product, which solves the problem of dispersed layout of the core board and an interface board, improves the flexibility of use, uses the standard USB Type-C wire material on the market to connect the core board and the expansion board, and has low cost and high reliability; one core board may not be limited to one expansion board, and a plurality of core boards may be expanded in a cascade or multiple type-C port form.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1-a CPU core board; 2-an interface expansion board; 3-display driver board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1, the core board and the expansion board framework based on USB Type-C interconnection are characterized by comprising a CPU core board 1, an interface expansion board 2 and a display driver board 3, wherein the CPU core board 1 is connected with the interface expansion board 2 through a USB Type-C wire, the interface expansion board 2 is connected with the display driver board 3 through a USB Type-C wire, the display driver board 3 supplies power to a display screen and provides display signals through a custom Type-C interface, different display screens of EDP/L VDS/MIPI can be supported through different display driver boards 3, and USB signals provided through a Type-C interface support USB touch screens and camera applications.

The CPU comprises a CPU core board 1, a display card and an IO controller, wherein the CPU is integrated with the display card and the IO controller and is connected with an Edp/L VDS selectable display interface, a memory interface, a USB interface, a Mini-PCI-E interface, a SATA hard disk interface, an onboard network card chip, a sound card chip, an audio circuit and an input/output chip;

the network card chip is connected with a network card interface, and the sound card chip is connected with an audio output interface, an audio input interface and a microphone interface. The mainboard occupies a small space, has rich interface functions, supports the hardware jumper to select the automatic startup of incoming calls and the reset and restart of the watchdog, and can be easily connected with equipment such as a touch screen, a card reader, a fingerprint instrument, a card reader and the like.

The network card interface and the Mini-PCI-E interface support a 3G/4G module and a WIFI module, and the requirements of clients on wired and wireless networks are met.

The interface expansion board 2 carries an RS232/RS485 serial port, an L PT parallel port, a USB2.0/USB3.0 interface, a network port, an RJ11 cashbox control interface, a power input interface and a self-defined type-C power supply signal integrated interface, and can support serial display, a parallel port printer and universal USB equipment.

The RJ11 cashbox control interface supports GPIO and cashbox drive.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The CPU core board is connected with the interface expansion board through a USB Type-C wire, the interface expansion board is connected with the display driving board through the USB Type-C wire, the display driving board supplies power to the display screen and provides display signals through a self-defined Type-C interface, different display screens of EDP/L VDS/MIPI are supported through different display driving boards, and USB signals provided through the Type-C interface support USB touch screens and camera application.

2. The USB Type-C interconnection-based core board and expansion board architecture as claimed in claim 1, wherein the CPU core board is attached to a central processing unit, the central processing unit integrates a display card and an IO controller, and the central processing unit is connected with Edp/L VDS selectable display interface, memory interface, USB interface, Mini-PCI-E interface, SATA hard disk interface, on-board network card chip, sound card chip, audio circuit, and input/output chip.

3. The USB Type-C interconnect-based core board and expansion board architecture of claim 2, wherein: the network card chip is connected with a network card interface, and the sound card chip is connected with an audio output interface, an audio input interface and a microphone interface.

4. The USBType-C interconnect-based core board and expansion board architecture of claim 3, wherein: the network card interface and the Mini-PCI-E interface support a 3G/4G module and a WIFI module, and the requirements of clients on wired and wireless networks are met.

5. The USB Type-C interconnection-based core board and expansion board architecture as claimed in claim 1, wherein the interface expansion board carries RS232/RS485 serial ports, L PT parallel ports, USB2.0/USB3.0 interfaces, network ports, RJ11 cashbox control interfaces, power input interfaces and a self-defined Type-C power supply signal integrated interface, and can support serial display, parallel port printers and universal USB devices.

6. The USBType-C interconnect-based core board and expansion board architecture of claim 5, wherein: the RJ11 cashbox control interface supports GPIO and cashbox drive.