CN204102126U - Based on the bus-structured Communication Card of ARINC429 - Google Patents
Based on the bus-structured Communication Card of ARINC429 Download PDFInfo
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- CN204102126U CN204102126U CN201420632394.8U CN201420632394U CN204102126U CN 204102126 U CN204102126 U CN 204102126U CN 201420632394 U CN201420632394 U CN 201420632394U CN 204102126 U CN204102126 U CN 204102126U
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- arinc429
- bus
- communication card
- pld
- programmable logic
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Abstract
A kind of based on the bus-structured Communication Card of ARINC429, comprise: digital processing unit, programmable logic device (PLD) and ARINC429 driving chip, wherein digital processing unit is connected with programmable logic device (PLD), and programmable logic device (PLD) is connected with ARINC429 driving chip, above-mentioned Communication Card is arranged the CPCI interface of 3U, and CPCI interface has pin hole connector, CPCI interface is connected with digital processing unit; Communication Card is connected with bus system bottom cabinet by the CPCI interface of 3U.Of the present utility modelly Communication Card to be connected with bus system bottom cabinet by pin hole connector based on the bus-structured Communication Card of ARINC429, add the dirigibility adding solidity and data processing externally connected, which ensure that the communication robust of board in aviation flight, and it is simple to have structure, reliable operation, the features such as applicability is strong and easy to operate.
Description
Technical field
The utility model relates to the technical field of Data Transmission Controlling, is a kind of based on the bus-structured Communication Card of ARINC429 specifically.
Background technology
ARINC429 bus protocol is that the US Airways electronic engineering council (Airlines EngineeringCommittee) proposes in July, 1977 and delivers and the use that gets the Green Light.Its full name is digital information transmission system (DITS).Consensus standard defines the digital information transmission requirement between avionic device and regarding system.
ARINC429 bus communication pattern is various, and agreement is flexible, and structure is simple, stable performance, and strong interference immunity, carrying load ability is strong.Maximum advantage is that reliability is high, various due to communication mode, different can be arranged different communication patterns from equipment, not participating in the equipment that communicates just can the data of the equipment of communication on controlling bus, and can data backup, if the equipment so communicated breaks down, communication is still in continuation, data can not be lost, and strengthen stability and the security of communication.
Because the bus form of the smart machine of commissure mutual in air equipment realizes mainly with the mode of PCI interface greatly, pci interface is that golden finger mode interconnects, therefore in the vibrations occasion that aviation is violent, can not ensure lasting connection and contact good, this just brings the insecure problem of system works.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of based on the bus-structured Communication Card of ARINC429.
The technical scheme that the utility model is taked for the technical matters existed in solution known technology is:
Of the present utility model based on the bus-structured Communication Card of ARINC429, comprise: digital processing unit, programmable logic device (PLD) and ARINC429 driving chip, wherein digital processing unit is connected with programmable logic device (PLD), and programmable logic device (PLD) is connected with ARINC429 driving chip, above-mentioned Communication Card is arranged the CPCI interface of 3U, and CPCI interface has pin hole connector, CPCI interface is connected with digital processing unit; Communication Card is connected with bus system bottom cabinet by the CPCI interface of 3U.
The utility model can also adopt following technical measures:
The pin hole connector density of described CPCI interface is 2mm.
The chip model of described digital processing unit is TMS320DM642A.
The chip model of described programmable logic device (PLD) is EP3C5F256I8N.
The model of described ARINC429 driving chip is HI-8592PS.
The advantage that the utility model has and good effect are:
Of the present utility model based on the bus-structured Communication Card of ARINC429 owing to have employed 3U CPCI interface, by pin hole connector, Communication Card is connected with bus system bottom cabinet, add the dirigibility adding solidity and data processing externally connected, which ensure that the communication robust of board in aviation flight, and it is simple to have structure, reliable operation, the features such as applicability is strong and easy to operate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram based on the bus-structured Communication Card of ARINC429 of the present utility model.
Embodiment
Referring to drawings and Examples, the utility model is described in detail.
Fig. 1 is the schematic diagram based on the bus-structured Communication Card of ARINC429 of the present utility model.
Of the present utility model based on the bus-structured Communication Card of ARINC429, comprise the CPCI interface of 3U, digital processing unit, programmable logic device (PLD) and ARINC429 driving chip; The CPCI interface of described 3U is connected with digital processing unit, and digital processing unit is connected with programmable logic device (PLD), and programmable logic device (PLD) is connected with ARINC429 driving chip.
The CPCI interface of 3U, for connecting the CPCI reinforcing machine box plate bus system of corresponding 3U, sends instructions or data-transformation facility under completing user.The pin hole connector density of CPCI interface is 2mm.
Digital processing unit is for the treatment of sending instructions under mainboard or data, and the data that uploading device sends, and completes pci bus and local bus protocol conversion, and mainboard adopts pci bus agreement, and programmable logic device (PLD) is local bus agreement.The chip model of digital processing unit is the TMS320DM642A of TI company.
Programmable logic device (PLD) is used for and digital processing unit completes exchanges data, and completes local bus agreement and ARINC429 agreement is changed mutually.The chip model of programmable logic device (PLD) is the EP3C5F256I8N of ALTERA company.
ARINC429 agreement is: ARINC429 is serial 32 bit data; 1st ~ 8 is label position, for identifying the parameter of transmission; 9th ~ 10 is former object discrimination bit, for being transferred to by some special words in equipment more than one in particular device; 11st ~ 29, be data bit, be used to indicate Content of Communication; 30th ~ 31 is character mode position, for the feature of identification data word; 32nd is parity bit, is used to indicate data transmission correctness.
The information that ARINC429 driving chip is used for programmable logic device (PLD) to send converts ARINC429 level standard signal to, is connected on ARINC429 communication bus.The model of ARINC429 driving chip is the HI-8592PS of HOLT company.
ARINC429 level standard signal is: the restituted signal being bipolar return-to-zero formula, and signal revert to zero level from high level and represents logic state 1, and signal revert to zero level presentation logic state 0 from low level.
Principle of work of the present utility model and process are: first, the instruction that user will send or data are by CPCI interface, be sent to digital processing unit, digital processing unit carries out instruction or data analysis and parsing and completes the conversion of pci bus and local bus agreement, data are extracted, be issued to programmable logic device (PLD), programmable logic device (PLD) receives the conversion that data carry out local bus and ARINC429 bus protocol, and data are sent in ARINC429 bus by ARINC429 driving chip.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model with preferred embodiment openly as above, but, and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, certainly the technology contents of announcement can be utilized to make a little change or modification, become the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (5)
1. one kind based on the bus-structured Communication Card of ARINC429, comprise: digital processing unit, programmable logic device (PLD) and ARINC429 driving chip, wherein digital processing unit is connected with programmable logic device (PLD), and programmable logic device (PLD) is connected with ARINC429 driving chip, it is characterized in that: the CPCI interface above-mentioned Communication Card being arranged 3U, and CPCI interface has pin hole connector, CPCI interface is connected with digital processing unit; Communication Card is connected with bus system bottom cabinet by the CPCI interface of 3U.
2. according to claim 1 based on the bus-structured Communication Card of ARINC429, it is characterized in that: the pin hole connector density of CPCI interface is 2mm.
3. according to claim 1 and 2 based on the bus-structured Communication Card of ARINC429, it is characterized in that: the chip model of digital processing unit is TMS320DM642A.
4. according to claim 3 based on the bus-structured Communication Card of ARINC429, it is characterized in that: the chip model of programmable logic device (PLD) is EP3C5F256I8N.
5. according to claim 4 based on the bus-structured Communication Card of ARINC429, it is characterized in that: the model of ARINC429 driving chip is HI-8592PS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420632394.8U CN204102126U (en) | 2014-10-29 | 2014-10-29 | Based on the bus-structured Communication Card of ARINC429 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420632394.8U CN204102126U (en) | 2014-10-29 | 2014-10-29 | Based on the bus-structured Communication Card of ARINC429 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204102126U true CN204102126U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420632394.8U Expired - Fee Related CN204102126U (en) | 2014-10-29 | 2014-10-29 | Based on the bus-structured Communication Card of ARINC429 |
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| CN (1) | CN204102126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490803A (en) * | 2018-02-07 | 2018-09-04 | 北京国电高科科技有限公司 | A kind of test emulation system |
-
2014
- 2014-10-29 CN CN201420632394.8U patent/CN204102126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490803A (en) * | 2018-02-07 | 2018-09-04 | 北京国电高科科技有限公司 | A kind of test emulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20191029 |