CN205644382U

CN205644382U - Airborne computer device

Info

Publication number: CN205644382U
Application number: CN201620417675.0U
Authority: CN
Inventors: 孙国华
Original assignee: Beijing Sdi Science & Technology Co Ltd
Current assignee: Beijing Sdi Science & Technology Co Ltd
Priority date: 2016-05-10
Filing date: 2016-05-10
Publication date: 2016-10-12
Anticipated expiration: 2026-05-10

Abstract

The utility model provides an airborne computer device, include: host system, power module, storage module, the module that resets, many interface units, power module is connected to host system's power end, and the module that resets is connected to its reset terminal, the many interface units of its I/O end connection, storage module, many interface units include USB interface module, ethernet interface module, UART serial interface module, JTAG interface module, USB interface module, ethernet interface module, UART serial interface module, JTAG interface module connect host system's I/O end respectively. The utility model discloses a modular design for the system is whole small, has simplified the structure, and the system integration of being convenient for makes the operation convenient more and convenient, the later maintenance of being convenient for.

Description

Airborne Computer Unit

Technical field

This utility model relates to field of computer technology, particularly to a kind of Airborne Computer Unit.

Background technology

Along with the development of modern technical aeronautics, aircraft system tends to comprehensive integrated control, so that airborne computer There is control logic function complicated, the features such as control parts, control parameter are various, and data transmission information amount is maximum, so And, this airborne computer interface is few, and hardware internal wiring is disorderly, and interface is disorderly and unsystematic.

If China Patent Publication No. is CN 101625576 A, a kind of special onboard computer of this disclosure of the invention, advantage is, Good airproof performance, electromagnetism interference excellent performance, shock resistance are high, good heat dissipation effect, but, this airborne computer interface is few, And hardware internal wiring is disorderly, interface is disorderly and unsystematic.

Utility model content

The purpose of this utility model is intended at least solve one of described technological deficiency.

To this end, a purpose of the present utility model is to propose the Airborne Computer Unit of a kind of multiplex roles.

To achieve these goals, this utility model is for a kind of Airborne Computer Unit, it is characterised in that include main control module, Power module, memory module, reseting module, multiplex roles unit, the power end of described main control module connects power module, its Reset terminal connects reseting module, and its input/output terminal connects multiplex roles unit, memory module, and described multiplex roles unit includes Usb interface module, ethernet interface module, UART serial interface module, jtag interface module, described usb interface module, Ethernet interface module, UART serial interface module, jtag interface module connect the input/output terminal of main control module respectively.

Preferably, described main control module selects ARM microprocessor.

Preferably, described power module includes the first supply module, the second supply module, and described first supply module connects to be deposited Storage module, described second supply module connects main control module.

Preferably, described memory module includes memory storage, additional storage, described memory storage and additional storage All it is connected with described main control module.

Preferably, described ethernet interface module include Ethernet MAC controller, transceiver, network isolation transformer, Adapter, described Ethernet MAC controller link control module, described transceiver, adapter respectively with described ether Net MAC controller connects, and described network isolation transformer is arranged on inside adapter, and visits with described Ethernet media Ask that controller connects.

Airborne Computer Unit of the present utility model, has the advantages that

1, this utility model uses modular design so that system overall volume is little, simplifies structure, it is simple to the system integration, Make operation more convenient and convenient, it is simple to later maintenance.

2, this utility model uses the design of multiplex roles unit, by usb interface module, ethernet interface module, UART string The interfaces such as line interface module, jtag interface module carry out comprehensive integration, make that circuit is neat, monolithic stability, attractive in appearance, it is to avoid Hardware internal wiring is disorderly, and the rambling situation of interface occurs.

3, this utility model uses and usb interface module, ethernet interface module, UART serial interface module, JTAG is connect The interfaces such as mouth die block carry out the design of comprehensive integration, it is possible to achieve multiple serial communication, and be greatly improved borne computer device can Extended capability.

Aspect and advantage that this utility model is additional will part be given in the following description, and part will from the following description Become obvious, or recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:

Fig. 1 is structured flowchart of the present utility model；

Fig. 2 is the circuit theory diagrams of the first supply module of the present utility model；

Fig. 3 is the circuit theory diagrams of the second supply module of the present utility model；

Fig. 4 is the circuit theory diagrams of memory storage of the present utility model；

Fig. 5 is the circuit theory diagrams of additional storage of the present utility model；

Fig. 6 is the circuit theory diagrams of usb interface module of the present utility model；

Fig. 7 is the circuit theory diagrams of ethernet interface module of the present utility model.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model System.

As it is shown in figure 1, the including of this utility model embodiment: main control module 1, power module 2, memory module 4, reset Module 3, multiplex roles unit 5, the power end of main control module 1 connects power module 2, and its reset terminal connects reseting module 3, Its input/output terminal connects multiplex roles unit 5, memory module 4, and multiplex roles unit 5 includes usb interface module 52, ether Network interface module 53, serial interface module 51, jtag interface module 54, wherein, usb interface module 52, Ethernet connect Mouth die block 53, serial interface module 51, jtag interface module 54 connect the input/output terminal of main control module 1 respectively.

Wherein, main control module selects ARM microprocessor (LPC3250) to build built-in Linux operating system, it is achieved single CPU embedded system, structure is the compactest, can be effectively improved the reliability of system.

Additionally, power module 2 includes the first supply module, the second supply module, with reference to accompanying drawing 2, the first supply module will Input voltage is converted into 3.3V voltage through the buck converters that model is TPS54318RTE, powers to memory module 4.Reference Accompanying drawing 3, input voltage is converted into 1.2V voltage through the IC chip that model is SP6669, gives by the second supply module Main control module is powered.

Memory module 4 includes memory storage, additional storage, and memory storage and additional storage are all with main control module even Connecing, wherein, with reference to accompanying drawing 4, memory storage selects the chip of IS42S16160 model, with reference to accompanying drawing 5, auxiliary storage The K9F2G08Flash chip of Samsung (Sumsung) company selected by device, has 256MB memory space.

Additionally, multiplex roles unit 5 also includes double contact pin interface module, for realizing and floor interconnection.

Below serial interface module 51 is specifically described:

Serial interface module 51 includes 3 High Speed Serials, and maximum baud rate is up to 921600bps；It addition, also 4 not Same serial ports, maximum baud rate is 460800bps, and one of them is debug serial ports.

Below usb interface module 52 is specifically described:

Usb interface module 52 uses USB 2.0 interface, is integrated with USB OTG/Host/Device controller.Support meets The OTG transceiver (OTG ATX) of CEA-2011OTG standard, embedded system uses ISP1301USB OTG transceiver.Specifically Circuit theory diagrams are with reference to shown in accompanying drawing 6.

Below ethernet interface module 53 is specifically described:

Too network interface module selects 10M/100M Ethernet MAC controller (MAC).Embedded system uses Micrel the Six generation ethernet PHY transceiver (PHY) KSZ8041NL.Wherein LAN8720 Yu LPC3250 is by RMII interface mode even Connect.Adapter RJ45 has been internally integrated network isolation transformer.Wherein, ethernet PHY transceiver (KSZ8041NL) is work Single port PHY of industry level, supports MII and RMII.Physical circuit schematic diagram is as shown in Figure 7.

Below jtag interface module 54 is specifically described:

JTAG (Joint Test Action Group joint test behavior tissue) is a kind of international standard test protocol (IEEE 1149.1 is compatible), it is mainly used in chip internal test..

Operation principle: by usb interface module, ethernet interface module, UART serial interface module, jtag interface module etc. Interface carries out comprehensive integration, makes that circuit is neat, monolithic stability, attractive in appearance, it is to avoid hardware internal wiring is disorderly, and interface is mixed and disorderly Situation without chapter occurs.

This utility model uses modular design so that system overall volume is little, simplifies structure, it is simple to the system integration, Make operation more convenient and convenient, it is simple to later maintenance.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to it is interpreted as that, to restriction of the present utility model, those of ordinary skill in the art is without departing from of the present utility model former Above-described embodiment can be changed in the range of this utility model in the case of reason and objective, revise, replace and modification. Scope of the present utility model is extremely equal to by claims and limits.

Claims

1. an Airborne Computer Unit, it is characterised in that include main control module, power module, memory module, reset mould Block, multiplex roles unit, the power end of described main control module connects power module, and its reset terminal connects reseting module, its input/ Outfan connect multiplex roles unit, memory module, described multiplex roles unit include usb interface module, ethernet interface module, UART serial interface module, jtag interface module, described usb interface module, ethernet interface module, UART serial interface Mouth die block, jtag interface module connect the input/output terminal of main control module respectively.

A kind of Airborne Computer Unit the most according to claim 1, it is characterised in that described main control module selects ARM Microprocessor.

A kind of Airborne Computer Unit the most according to claim 1, it is characterised in that described power module includes first Supply module, the second supply module, described first supply module connects memory module, and described second supply module connects master control Module.

A kind of Airborne Computer Unit the most according to claim 1, it is characterised in that described memory module includes internal memory Memorizer, additional storage, described memory storage is all connected with described main control module with additional storage.

A kind of Airborne Computer Unit the most according to claim 1, it is characterised in that described ethernet interface module bag Including Ethernet MAC controller, transceiver, network isolation transformer, adapter, described Ethernet media interviews control Device link control module, described transceiver, adapter be connected with described Ethernet MAC controller respectively, described network Isolating transformer is arranged on inside adapter, and is connected with described Ethernet MAC controller.