CN114006951A - Aircraft data transferring method and device - Google Patents
Aircraft data transferring method and device Download PDFInfo
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- CN114006951A CN114006951A CN202111245869.9A CN202111245869A CN114006951A CN 114006951 A CN114006951 A CN 114006951A CN 202111245869 A CN202111245869 A CN 202111245869A CN 114006951 A CN114006951 A CN 114006951A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012546 transfer Methods 0.000 claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 27
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 6
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 4
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- 239000000446 fuel Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
Abstract
The invention relates to the field of avionic system data processing, and discloses an aircraft data transfer method and device, wherein a plurality of aircraft data transfer devices are used for carrying out interaction on data between an aircraft-mounted system and equipment in the method, one transfer device acquires data of the source-end aircraft-mounted system and equipment, the data is converted into ARINC644 data, the converted data is sent to another aircraft data transfer device by using an ARINC644 protocol, the other aircraft data transfer device converts the ARINC644 data into protocol data of the data demand side aircraft-mounted system and equipment according to a transmission protocol of the data demand side aircraft-mounted system and equipment, and the converted protocol data is sent to the required aircraft-mounted system and equipment. By using the method and the device of the invention, under the condition that the data of the onboard system and the equipment are various and the equipment layout is scattered, the system and the equipment can be connected with a nearby data transfer device, thereby realizing the interaction of the data and greatly reducing the weight of the cable on the machine.
Description
Technical Field
The invention relates to the field of avionic system data processing, in particular to an aircraft data transfer method and device.
Background
Today's transport-type aircraft have numerous onboard systems and devices: communication systems, navigation systems, indicator recording systems, power systems, fuel systems, fire protection systems, anti-icing and de-icing systems, and the like. The functions of the systems and the equipment realize that data of other systems are mostly used as input, particularly the data of the indicating and recording system, and the data of other airborne systems and equipment are needed as input, so that the display, the alarm and the record of various airplane-level information are provided for the aircrew, the crew and the user. If a traditional implementation mode is adopted, a transmission path is established between each system and equipment and a source end of required data, and because each airborne system and equipment are located at different positions on the aircraft, the number of interconnected cables on the aircraft is large and extremely irregular, the weight of the whole aircraft is greatly increased, and the maintenance is difficult. Therefore, it is very necessary to provide a method and a device for transferring a large amount of data of an aircraft, so as to realize data acquisition and transfer of different signal types between a plurality of systems on a transport aircraft.
Disclosure of Invention
The purpose of the invention is: the aircraft data transferring method and device are provided, so that data of a plurality of airborne systems and equipment can be collected in a centralized mode, and data of different signal types can be flexibly converted.
An aircraft data transfer method comprises the steps that at least two aircraft data transfer devices are used for carrying out interaction on data between an aircraft system and equipment, one aircraft data transfer device collects data of the source-end aircraft system and equipment, the data are converted into ARINC644 data, the converted data are sent to the other aircraft data transfer device through an ARINC644 protocol, the other aircraft data transfer device converts the ARINC644 data into protocol data of the data demand-side aircraft system and equipment according to a transmission protocol of the data demand-side aircraft system and equipment, and the converted protocol data are sent to the needed aircraft system and equipment.
Furthermore, the airplane data transfer device is connected with a plurality of airborne systems and equipment which are close to the airplane data transfer device.
Further, the aircraft data transfer device can realize bidirectional conversion between ARINC429 data and ARINC664 data, realize bidirectional conversion between RS422 data and ARINC664, and realize bidirectional conversion between discrete quantity data and ARINC 664.
Further, the method further comprises the following steps: the data of systems and equipment on the plane are transmitted to a plane black box by using a plane data transfer device, the plane data transfer device can convert ARINC429 data into ARINC717 data, RS422 data into ARINC717 data, discrete quantity data into ARINC717 data, and ARINC664 data into ARINC717 data; the airplane data transfer device sends data to the airborne black box through an ARINC717 protocol.
Further, the aircraft data relay device can collect ARINC429 data of source-end airborne systems and equipment, and directly sends the ARINC429 data to the airborne systems and equipment directly connected with the aircraft data relay device.
An aircraft data transfer device is used in the aircraft data transfer method and comprises a signal interface module, an input/output module and a power management module; the signal interface module is connected with the airborne system and equipment, and is connected with the input and output module, and the input and output module comprises a main processing circuit and a plurality of communication circuits; the power management module is connected with the input/output module and the signal interface module.
Furthermore, the signal interface module comprises a signal switching circuit and a discrete quantity input and output circuit.
Further, the communication circuit comprises an ARINC429 communication circuit, an RS422 communication circuit, an ARINC717 communication circuit, an ARINC664 interface circuit, a discrete quantity input acquisition circuit and a discrete quantity output control circuit.
Further, the power management module comprises: the power failure detection circuit comprises an input transient suppression circuit, an input filter circuit, a power failure maintaining circuit, a power conversion circuit and a temperature and voltage monitoring circuit; the power management module is used for input protection, power failure maintenance, power conversion, temperature and voltage monitoring.
Further, the airplane data transfer device is connected with a plurality of onboard systems and equipment which are close to the airplane data transfer device, and the airplane data transfer device and other airplane data transfer devices are connected pairwise through an ARINC664 protocol; the airplane data transfer device is also connected with an airplane black box.
The invention has the advantages that:
1. under the condition that the data of the onboard system and the equipment are various and the equipment layout is scattered, the system and the equipment can be connected with a nearby data transfer device, so that the interaction of the data is realized, and the weight of the cable on the machine is greatly reduced.
2. Meanwhile, the invention has expansibility, and can realize interaction with other system data through the data transfer device for the newly added airborne equipment.
Drawings
Fig. 1 is a flowchart of an implementation of a data relay method.
Fig. 2 is a block diagram of an implementation of the data relay apparatus.
The figures represent the following meanings:
wherein, A1, B2, C8 and D9 are data transfer devices;
3 is a signal interface module; 4 is an input-output module; 5 is a main processing circuit; 6 is a communication circuit; and 7 is a power management module.
Detailed Description
This section is an example of the present invention and is provided to explain and illustrate the technical solutions of the present invention.
An aircraft data transfer method comprises the steps that at least two aircraft data transfer devices are used for carrying out interaction on data between an aircraft system and equipment, one aircraft data transfer device collects data of the source-end aircraft system and equipment, the data are converted into ARINC644 data, the converted data are sent to the other aircraft data transfer device through an ARINC644 protocol, the other aircraft data transfer device converts the ARINC644 data into protocol data of the data demand-side aircraft system and equipment according to a transmission protocol of the data demand-side aircraft system and equipment, and the converted protocol data are sent to the needed aircraft system and equipment.
The airplane data transfer device is connected with a plurality of airborne systems and equipment which are close to the airplane data transfer device.
The aircraft data transfer device can realize bidirectional conversion between ARINC429 data and ARINC664 data, realize bidirectional conversion between RS422 data and ARINC664, and realize bidirectional conversion between discrete quantity data and ARINC 664.
The method also comprises the following steps: the data of systems and equipment on the plane are transmitted to a plane black box by using a plane data transfer device, the plane data transfer device can convert ARINC429 data into ARINC717 data, RS422 data into ARINC717 data, discrete quantity data into ARINC717 data, and ARINC664 data into ARINC717 data; the airplane data transfer device sends data to the airborne black box through an ARINC717 protocol.
The aircraft data relay device can collect ARINC429 data of source-end airborne systems and equipment and directly sends the ARINC429 data to the airborne systems and equipment directly connected with the aircraft data relay device.
An aircraft data transfer device is used in the aircraft data transfer method, and comprises a signal interface module 3, an input/output module 4 and a power management module 7; the signal interface module 3 is an interface connected with an airborne system and equipment, the signal interface module 3 is connected with the input and output module 4, and the input and output module 4 comprises a main processing circuit 5 and a plurality of communication circuits 6; the power management module 7 is connected with the input/output module 4 and the signal interface module 3.
The signal interface module 3 comprises a signal switching circuit and a discrete quantity input and output circuit.
The communication circuit 6 comprises an ARINC429 communication circuit, an RS422 communication circuit, an ARINC717 communication circuit, an ARINC664 interface circuit, a discrete quantity input acquisition circuit and a discrete quantity output control circuit.
The power management module 7 includes: the power failure detection circuit comprises an input transient suppression circuit, an input filter circuit, a power failure maintaining circuit, a power conversion circuit and a temperature and voltage monitoring circuit; the power management module 7 is used for input protection, power failure maintenance, power conversion, temperature and voltage monitoring.
The airplane data transfer device is connected with a plurality of onboard systems and equipment which are close to the airplane data transfer device, and the airplane data transfer device and other airplane data transfer devices are connected pairwise through ARINC664 protocol; the airplane data transfer device is also connected with an airplane black box.
In a first aspect, the present application provides an aircraft data relay method, including:
collecting and receiving data of the source onboard system and equipment by using an interface (ARINC429, RS422 and discrete quantity) matched with the source onboard system and equipment;
performing protocol conversion on the acquired and received data (bidirectional conversion between ARINC429 data and ARINC664 data, bidirectional conversion between RS422 data and ARINC664 data, bidirectional conversion between discrete quantity data and ARINC664 data, conversion of ARINC429 data to ARINC717 data, conversion of RS422 data to ARINC717 data, conversion of discrete quantity data to ARINC717 data, conversion of ARINC664 data to ARINC717 data);
the converted data is sent to a needed system and equipment according to a receiving end transmission protocol and an interface (ARINC429, RS422, discrete quantity, ARINC717 and ARINC 664);
the data without protocol conversion is directly transmitted to the required system and equipment according to the transmission protocol and interface (ARINC 429).
In a second aspect, the present application provides an aircraft data transfer device, which is characterized in that: the device comprises a signal interface module, an input/output module and a power management module, wherein:
the signal interface module is used for realizing signal switching between the input/output module and each system device of the external airplane; the method comprises the following steps: the device comprises a signal switching circuit and a discrete quantity input and output circuit;
the input/output module is used for interface circuit time sequence control and protocol conversion of different types of data; the method comprises the following steps: the device comprises a main processing circuit, an ARINC429 communication circuit, an RS422 communication circuit, an ARINC717 communication circuit, an ARINC664 interface circuit, a discrete quantity input acquisition circuit and a discrete quantity output control circuit;
and the power management module is used for input protection, power failure maintenance, power conversion, temperature and voltage monitoring. The method comprises the following steps: the power failure detection circuit comprises an input transient suppression circuit, an input filter circuit, a power failure maintaining circuit, a power conversion circuit and a temperature and voltage monitoring circuit.
Another embodiment of the present invention is described below with reference to the drawings.
The embodiment is used for transferring the airplane data under the conditions of various airborne equipment interface types and a large amount of airplane data.
An example of the aircraft data transfer method adopted in the embodiment is shown in fig. 1:
the method comprises the following steps: the method comprises the following steps that a data transfer device A collects undercarriage position data of an ARINC429 type of an undercarriage retraction control box nearby;
step two: the data transfer device A determines a demand party of the landing gear position data, namely a target end electric flight control system, through inquiring an interface configuration table, and determines a data transfer device B directly interacting with the electric flight control system;
step three: the data transfer device A converts the landing gear position data into ARINC664 network data and sends the ARINC664 network data to the data transfer device B;
step four: the data transfer device B inquires an interface configuration table and determines that the type of interface data matched with the fly-by-wire flight control system is ARINC 429;
step five: and the data transfer device B converts the landing gear position data in the ARINC664 protocol into data in an ARINC429 protocol and sends the data to the electric fly-by-wire system.
The composition and architecture of the aircraft data transfer device adopted in the embodiment are shown in fig. 2:
a signal interface module 3 in the data transfer device A1 acquires landing gear position data in an ARINC429 format from a landing gear retraction control box, and then transmits the landing gear position data to a main processing circuit 5 in an input-output module 4;
a1, the main processing circuit 5 inquires a configuration table to determine a target end fly-by-wire system and a data transfer device B2 directly interacting with the target end fly-by-wire system;
the communication circuit 6 of A1 converts the landing gear position data in ARINC429 format into ARINC664 network data, and sends the ARINC664 network data to B2 through the signal interface module 3;
b2, the main processing circuit 5 queries a configuration table to determine that the fly-by-wire flight control system of the target terminal is matched with ARINC429 type data;
the communications circuit 6 of B2 converts the gear position data in ARINC664 format into ARINC429 network data and sends it to the fly-by-wire system via its signal interface module 3.
The signal interface module includes: an ARINC429 interface, an RS422 interface, an ARINC664 interface, an ARINC717 interface and a discrete quantity interface;
the main processing circuit includes: a Freescale P2020 processor and an FPGA main processing logic chip;
the communication circuit includes: the device comprises an ARINC429 communication circuit, an RS422 communication circuit, an ARINC664 communication circuit, an ARINC717 communication circuit, a discrete quantity interface input acquisition circuit and an output control circuit.
Claims (10)
1. The aircraft data transfer method is characterized in that at least two aircraft data transfer devices are used for interacting data between an aircraft system and equipment, one aircraft data transfer device collects data of a source end aircraft system and equipment, converts the data into ARINC644 data, then sends the converted data to the other aircraft data transfer device through an ARINC644 protocol, and the other aircraft data transfer device converts the ARINC644 data into protocol data of the data demand side aircraft system and equipment according to a transmission protocol of the data demand side aircraft system and equipment and sends the converted protocol data to the required aircraft system and equipment.
2. The method for transferring the airplane data as claimed in claim 1, wherein the airplane data transferring device is connected with a plurality of onboard systems and equipment which are close to the airplane data transferring device.
3. The method as claimed in claim 1, wherein the aircraft data relay device is capable of performing bidirectional conversion between ARINC429 data and ARINC664 data, capable of performing bidirectional conversion between RS422 data and ARINC664 data, and capable of performing bidirectional conversion between discrete data and ARINC664 data.
4. An aircraft data transfer method as claimed in claim 3, wherein the method further comprises: the data of systems and equipment on the plane are transmitted to a plane black box by using a plane data transfer device, the plane data transfer device converts ARINC429 data into ARINC717 data, RS422 data into ARINC717 data, discrete quantity data into ARINC717 data, and ARINC664 data into ARINC717 data; the airplane data transfer device sends data to the airborne black box through an ARINC717 protocol.
5. The aircraft data relay method as claimed in claim 3, wherein the aircraft data relay device collects ARINC429 data of source onboard systems and equipment, and directly transmits the ARINC429 data to the onboard systems and equipment directly connected to the aircraft data relay device.
6. An aircraft data relay device used in the aircraft data relay method according to any one of claims 1 to 5, comprising a signal interface module (3), an input/output module (4), and a power management module (7); the signal interface module (3) is an interface connected with an airborne system and equipment, the signal interface module (3) is connected with the input and output module (4), and the input and output module (4) comprises a main processing circuit (5) and a plurality of communication circuits (6); the power supply management module (7) is connected with the input/output module (4) and the signal interface module (3).
7. An aircraft data relay device according to claim 6, the signal interface module (3) comprising signal relay circuitry, discrete quantity input and output circuitry.
8. The aircraft data transfer device according to claim 7, wherein the communication circuit (6) comprises an ARINC429 communication circuit, an RS422 communication circuit, an ARINC717 communication circuit, an ARINC664 interface circuit, a discrete quantity input acquisition circuit and a discrete quantity output control circuit.
9. An aircraft data relay device according to claim 8, the power management module (7) comprising: the power failure detection circuit comprises an input transient suppression circuit, an input filter circuit, a power failure maintaining circuit, a power conversion circuit and a temperature and voltage monitoring circuit; the power management module (7) is used for input protection, power failure maintenance, power conversion, temperature and voltage monitoring.
10. The aircraft data transfer device according to claim 9, wherein the aircraft data transfer device is connected to a plurality of onboard systems and equipment which are close to the aircraft data transfer device, and the aircraft data transfer device and other aircraft data transfer devices are connected in pairs through ARINC664 protocol; the airplane data transfer device is also connected with an airplane black box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245869.9A CN114006951A (en) | 2021-10-25 | 2021-10-25 | Aircraft data transferring method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111245869.9A CN114006951A (en) | 2021-10-25 | 2021-10-25 | Aircraft data transferring method and device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483643A (en) * | 2008-12-19 | 2009-07-15 | 北京华力创通科技股份有限公司 | Data conversion method and apparatus |
| CN103116287A (en) * | 2013-01-22 | 2013-05-22 | 中国民航大学 | Avionics equipment running environment dynamic simulating device and method |
| CN103731331A (en) * | 2014-01-02 | 2014-04-16 | 中电科航空电子有限公司 | Airborne data sending method, airborne data receiving method, and data transmission device and system |
| CN111884897A (en) * | 2020-07-29 | 2020-11-03 | 中国商用飞机有限责任公司 | Airborne equipment and method and system for wireless interconnection between airborne equipment |
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- 2021-10-25 CN CN202111245869.9A patent/CN114006951A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483643A (en) * | 2008-12-19 | 2009-07-15 | 北京华力创通科技股份有限公司 | Data conversion method and apparatus |
| CN103116287A (en) * | 2013-01-22 | 2013-05-22 | 中国民航大学 | Avionics equipment running environment dynamic simulating device and method |
| CN103731331A (en) * | 2014-01-02 | 2014-04-16 | 中电科航空电子有限公司 | Airborne data sending method, airborne data receiving method, and data transmission device and system |
| CN111884897A (en) * | 2020-07-29 | 2020-11-03 | 中国商用飞机有限责任公司 | Airborne equipment and method and system for wireless interconnection between airborne equipment |
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