CN203661095U - Gateway device for protocol conversion of avionic network and ethernet network - Google Patents
Gateway device for protocol conversion of avionic network and ethernet network Download PDFInfo
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- CN203661095U CN203661095U CN201320739225.XU CN201320739225U CN203661095U CN 203661095 U CN203661095 U CN 203661095U CN 201320739225 U CN201320739225 U CN 201320739225U CN 203661095 U CN203661095 U CN 203661095U
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Abstract
The utility model provides a gateway device for protocol conversion of an avionic network and an ethernet network. The gateway device connecting the avionic network and the ethernet network comprises a housing, an interface group embedded in the housing, a gateway module arranged in the housing, a three-layer switch, an aircraft power source module, a temperature sensor, an internal storage unit, a memory, a clock timer and an aviation bus, wherein the three-layer switch, the aircraft power source module, the temperature sensor, the internal storage unit, the memory, the clock timer and the aviation bus are connected to the gateway module; and a power source monitoring module is connected between the aircraft power source module and a processor. According to the gateway device, the avionic network data of the airplane are converted into ethernet network data used by an information system, thereby realizing communication between the information system and the avionic network.
Description
Technical field
The utility model relates to a kind of gateway device, relates in particular to a kind of gateway device for avionics network and Ethernet protocol conversion.
Background technology
Aviation airborne equipment communication has several standard agreements, such as AFDX, ARINC429 etc., for example flying height, course, meteorology, distance, speed etc. data communicate by these agreements, these agreements are widely used in each model of Boeing Air Passenger, and the feature of above-mentioned agreement is real-time and reliability.
At present, if need communication between two systems, only in the situation that all following same agreement, two systems are just allowed to communication.If the agreement that two systems are followed is not identical, for example a system is followed AFDX agreement, and another system is followed ARINC429 agreement, and so, these two systems can not communicate.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of gateway device for avionics network and Ethernet protocol conversion, can make avionics network data convert the Ethernet data that information system is used to.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of gateway device for avionics network and Ethernet protocol conversion is provided, described gateway device connects avionics network and Ethernet, described gateway device comprises housing, be embedded at the interface group of housing, the three-tier switch of being located at the gateway module in housing and being connected with described gateway module, airplane power source module, temperature sensor, internal memory, memory, clock timer and aviation bus, between described airplane power source module and described processor, be connected with Power Monitoring Unit.
Wherein, described gateway module comprise processor, the PCIe ports-Extending bridge that is connected with described processor, four AFDX terminals that connect with the bridging of described PCIe ports-Extending and one 429 buses.
Wherein, described interface group comprises power interface, debugging interface, 100-M network Ethernet and gigabit network interface, described power interface is connected with described airplane power source module, and described debugging interface is connected with described processor, and described 100-M network Ethernet and gigabit network interface are all connected with described three-tier switch.
Wherein, described debugging interface comprises debug serial port and debugging serial interface.
Wherein, described airplane power source module is the airplane power source modular converter that 115V AC power is converted to 12V DC power supply.
Wherein, described memory is Flash memory.
Wherein, described 100-M network Ethernet comprises 6 road 100Mbps network interfaces.
Wherein, described gigabit network interface comprises 4 road 1000Mbps network interfaces.
The beneficial effects of the utility model are: the situation that is different from prior art, gateway device for avionics network and Ethernet protocol conversion of the present utility model is owing to being provided with CPU, PCIe ports-Extending bridge and AFDX terminal in gateway module, CPU realizes gateway function by application layer software, further make the agreement of avionics network be converted to by AFDX terminal the Ethernet protocol that information system is used, further make the data of avionics network to send to the information system that uses Ethernet by gateway module.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the block diagram of the utility model for gateway device first embodiment of avionics network and Ethernet protocol conversion.
Fig. 2 is the block diagram of the utility model for the gateway device first embodiment gateway module of avionics network and Ethernet protocol conversion.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model adopts ARINC6002MCU standard PC case for the gateway device of avionics network and Ethernet protocol conversion, and the inner CPCI back of the body that adopts plugs meter, makes cabinet inside without cable, more convenient assembly and disassembly.Cabinet inside is divided into backboard, gateway and three assemblies of layer 3 ethernet switch, and gateway communicates by layer 3 ethernet switch and information system.On hardware configuration, described backboard, gateway and layer 3 ethernet switch are pcb board, and wherein, gateway and layer 3 ethernet switch are inserted on backboard by CPCI slot.
Avionics gateway is installed on electronics bay, cabinet back is ARINC600 connector, by 22 four coaxial fan-outs 4 to Redundant Ethernet, for 4 AFDX terminals, other 6 100 m ethernets and 4 gigabit Ethernets are for three layers of route of information system, access security route and the webserver respectively, 4 tunnels of realizing ARINC429 by 12 pairs of difference Shielded Twisted Pairs send and the reception of 8 tunnels.Intra-gateway has 4 terminals of following ARINC664 protocol specification, follows 4 road sendaisles and the 8 road receive paths of ARINC429 protocol specification, and 16 mouthfuls of gigabit Ethernet three-tier switch, have realized AFDX, and ARINC429 is to the gateway of Ethernet.4 AFDX terminals are used FPGA to realize its data link layer, network layer and transport layer, data link layer is used TDMA mode to complete flow control, real-time and the low delay of data are ensured, adopt PCIe bussing technique to communicate by letter with CPU by PCIeswitch, realize communicating by letter of transport layer and application layer, utilize this switch can realize the multicast of CPU to 4 terminal, can use so less data bandwidth to carry out redundancy communication, also can be by independently mode of operation of 4 terminal configuration.429 buses are the downlink port in PCIeswitch equally, and because PCIe uses point-to-point communication, data bandwidth is high, can ensure the bandwidth of 4 terminals and 429 buses.The data of utilizing PCIe bus that needs are sent send to the buffer memory of terminal by dma mode, realize communicating by letter of application layer and transport layer.
Particularly, refer to Fig. 1, Fig. 1 is the block diagram of the utility model for the gateway device of avionics network and Ethernet protocol conversion.The gateway device for avionics network and Ethernet protocol conversion of the present embodiment, described gateway device is used for connecting avionics network and Ethernet, three-tier switch 40, airplane power source module 50, temperature sensor 60, internal memory 70, memory 80, clock timer 90 and aviation bus 100 that described gateway device comprises housing 10, is embedded at the interface group of housing 10, is located at the gateway module 30 in housing 10 and is connected with described gateway module 30 are connected with Power Monitoring Unit 110 between described airplane power source module 50 and described processor.Wherein:
Refer to Fig. 2, described gateway module 30 comprises: processor 301, the PCIe ports-Extending bridge 302 being connected with described processor 301, four AFDX terminals, 303 and 1 buses 304 that are connected with described PCIe ports-Extending bridge 302.Described processor 301 is PowerPC processor, realizes gateway function by application layer software.Described four AFDX terminals 303 adopt PCIe bussing technique to be connected with PCIe ports-Extending bridge 302 with 429 buses 304, and described PCIe ports-Extending bridge 302 also adopts PCIe bussing technique to be connected with described processor 301.The data that described PCIe ports-Extending bridge 302 sends for CPU are expanded to multiple PCIe end equipment and are used, be distributed to four AFDX terminals 303, realize like this multicast of CPU to four AFDX terminal 303, can also use less data bandwidth to carry out redundancy communication, also four AFDX terminals 303 can be configured to independently mode of operation.Described four AFDX terminals 303 connect avionics AFDX network by ethernet physical layer, to realize the gateway processes of data Ethernet and avionics AFDX network.
Please continue referring to Fig. 1, described interface group comprises power interface 21, debugging interface 22,100-M network Ethernet 23 and gigabit network interface 24, described power interface 21 is connected with described airplane power source module 50, described debugging interface 22 is connected with described processor 301, and described 100-M network Ethernet 23 and gigabit network interface 24 are all connected with described three-tier switch 40.Described power interface 21 is connected with described airplane power source module 50, for described airplane power source being linked into described airplane power source module 50.Described debugging interface 22 comprises debug serial port 221 and debugging serial interface 222, and described debug serial port 221 is all connected with described processor 301 with debugging serial interface 222.Described 100-M network Ethernet 23 and gigabit network interface 24 are all connected with described three-tier switch 40.Described 100-M network Ethernet 23 comprises six road 100Mbps network interfaces, and described gigabit network interface 24 comprises four road 1000Mbps network interfaces.
Described airplane power source module 50 is an airplane power source modular converter, and it is connected with described processor 301, for the AC power of 115V being converted to 12V DC power supply by described power interface 21, thinks that secure router provides DC power supply.
Described Power Monitoring Unit 110 is connected between described airplane power source module 50 and described processor 301, described Power Monitoring Unit 110 is monitored for the whole power supply to secure router, each different level, voltage in secure router are monitored, finally realized the object of power self test.
Described temperature sensor 60 is connected with described processor 301, for detection of the operating temperature of described secure router inside, and the temperature signal detecting is sent to described processor 301, described processor 301 according to the temperature signal receiving to judge the whether temperature value in normal range (NR) of this temperature, if in the temperature value of normal range (NR), do not carry out any processing, if when the temperature value of this temperature in improper scope, processor 301 carries out derate processing.In the present embodiment, described normal temperature value scope is at-15 DEG C～+ 70 DEG C, the temperature value detecting when described temperature sensor 60 is not in above-mentioned scope, and processor 301 carries out derate processing, reaches normal range value with the temperature value that makes described secure router inside.
In the present embodiment, described internal memory 70 is 256M, adopts the built-in storage of magnesium light board.In different embodiment, the model of described internal memory 70, large I appropriately adjust.
Described memory 80 is connected with described processor 301, and for data are stored, described memory 80 adopts Flash flash memory, and compared with traditional memory device, that described Flash flash memory has is lightweight, volume is little, can repeat erasable number of times high.
Described clock timer 90, for processor 301 master clock of working is provided, has high stability, temperature-compensating, the feature of low drift.The data that described processor 301 sends for receiving above-mentioned all parts, and carry out different processing and the packet of needs transmission is carried out to safe handling according to the data of different module transmissions, then by three-tier switch 40, Packet Generation is gone out.
Described three-tier switch 40 is the switches with part router feature, the most important object of three-tier switch 40 is to accelerate the exchanges data of large-scale local area network (LAN) inside, the routing function having also, for this object service, can be accomplished route one time, repeatedly forwards.Process for regularity such as package forwards is realized by High-Speed Hardware, and the function such as picture updating route information, routing table maintenance, route are calculated, route is determined is realized by software.Three layer-switching technologies are exactly two layer-switching technologies+tri-layer retransmission technique.Tradition switching technology is the OSI network standard model second layer---data link layer operates, and being in network model the 3rd layers, three layer-switching technologies realize the high speed forward of packet, both can realize network routing function, can accomplish optimal network performance according to heterogeneous networks situation again.The packet that described three-tier switch 40 sends for receiving described processor 301, goes out Packet Generation.
The utility model embodiment, by CPU, a PCIe ports-Extending bridge and four AFDX terminals are set in gateway, CPU realizes gateway function by application layer software, further make the agreement of the avionics network using being connected with CPU to be converted to by four AFDX terminals the agreement of Ethernet, further make avionics network can send data to Ethernet, and these data can be identified by Ethernet.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. the gateway device for avionics network and Ethernet protocol conversion, described gateway device connects avionics network and Ethernet, described gateway device comprises housing, is embedded at the interface group of housing, is located at gateway module and the three-tier switch being connected with described gateway module, airplane power source module, temperature sensor, internal memory, memory, clock timer and aviation bus in housing, between described airplane power source module and described processor, is connected with Power Monitoring Unit.
2. the gateway device for avionics network and Ethernet protocol conversion as claimed in claim 1, is characterized in that: PCIe ports-Extending bridge that described gateway module comprises processor, be connected with described processor, four AFDX terminals that connect with the bridging of described PCIe ports-Extending and one 429 buses.
3. the gateway device for avionics network and Ethernet protocol conversion as claimed in claim 2, it is characterized in that: described interface group comprises power interface, debugging interface, 100-M network Ethernet and gigabit network interface, described power interface is connected with described airplane power source module, described debugging interface is connected with described processor, and described 100-M network Ethernet and gigabit network interface are all connected with described three-tier switch.
4. the gateway device for avionics network and Ethernet protocol conversion as claimed in claim 3, is characterized in that: described debugging interface comprises debug serial port and debugging serial interface.
5. the gateway device for avionics network and Ethernet protocol conversion as claimed in claim 1, is characterized in that: described airplane power source module is the airplane power source modular converter that 115V AC power is converted to 12V DC power supply.
6. the gateway device for avionics network and Ethernet protocol conversion as claimed in claim 1, is characterized in that: described memory is Flash memory.
7. the gateway device for avionics network and Ethernet protocol conversion as described in any one claim in claim 2 to 6, is characterized in that: described 100-M network Ethernet comprises 6 road 100Mbps network interfaces.
8. the gateway device for avionics network and Ethernet protocol conversion as described in any one claim in claim 2 to 6, is characterized in that: described gigabit network interface comprises 4 road 1000Mbps network interfaces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320739225.XU CN203661095U (en) | 2013-11-20 | 2013-11-20 | Gateway device for protocol conversion of avionic network and ethernet network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320739225.XU CN203661095U (en) | 2013-11-20 | 2013-11-20 | Gateway device for protocol conversion of avionic network and ethernet network |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580206A (en) * | 2015-01-06 | 2015-04-29 | 中电科航空电子有限公司 | Air-ground communication system based on multilink selection |
| CN105116772A (en) * | 2015-07-15 | 2015-12-02 | 中国航空工业集团公司上海航空测控技术研究所 | Device used for aircraft cabin interface management and operation method |
| CN108768841A (en) * | 2018-04-23 | 2018-11-06 | 西北工业大学 | AFDX security gateway systems and its transmission method |
| CN110809863A (en) * | 2018-11-30 | 2020-02-18 | 深圳市大疆创新科技有限公司 | Communication link system, data transmission method, unmanned aerial vehicle, and storage medium |
| CN112187606A (en) * | 2020-10-10 | 2021-01-05 | 北京国科天迅科技有限公司 | FC-AE-1553 network system |
| FR3105676A1 (en) * | 2019-12-19 | 2021-06-25 | Safran Electronics & Defense | Device and method for switching frames in an aircraft communication network |
| CN113391589A (en) * | 2021-06-29 | 2021-09-14 | 西北工业大学 | Unified access and protocol conversion integrated circuit board for heterogeneous equipment of unmanned aerial vehicle |
-
2013
- 2013-11-20 CN CN201320739225.XU patent/CN203661095U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580206A (en) * | 2015-01-06 | 2015-04-29 | 中电科航空电子有限公司 | Air-ground communication system based on multilink selection |
| CN105116772A (en) * | 2015-07-15 | 2015-12-02 | 中国航空工业集团公司上海航空测控技术研究所 | Device used for aircraft cabin interface management and operation method |
| CN108768841A (en) * | 2018-04-23 | 2018-11-06 | 西北工业大学 | AFDX security gateway systems and its transmission method |
| CN110809863A (en) * | 2018-11-30 | 2020-02-18 | 深圳市大疆创新科技有限公司 | Communication link system, data transmission method, unmanned aerial vehicle, and storage medium |
| CN110809863B (en) * | 2018-11-30 | 2022-01-21 | 深圳市大疆创新科技有限公司 | Communication link system, data transmission method, unmanned aerial vehicle, and storage medium |
| FR3105676A1 (en) * | 2019-12-19 | 2021-06-25 | Safran Electronics & Defense | Device and method for switching frames in an aircraft communication network |
| CN112187606A (en) * | 2020-10-10 | 2021-01-05 | 北京国科天迅科技有限公司 | FC-AE-1553 network system |
| CN112187606B (en) * | 2020-10-10 | 2021-11-09 | 北京国科天迅科技有限公司 | FC-AE-1553 network system |
| CN113391589A (en) * | 2021-06-29 | 2021-09-14 | 西北工业大学 | Unified access and protocol conversion integrated circuit board for heterogeneous equipment of unmanned aerial vehicle |
| CN113391589B (en) * | 2021-06-29 | 2022-12-27 | 西北工业大学 | Unified access and protocol conversion integrated circuit board for heterogeneous equipment of unmanned aerial vehicle |
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Granted publication date: 20140618 |