CN106780832A - A kind of protection type audio frequency and video composite record device - Google Patents
A kind of protection type audio frequency and video composite record device Download PDFInfo
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- CN106780832A CN106780832A CN201611060718.5A CN201611060718A CN106780832A CN 106780832 A CN106780832 A CN 106780832A CN 201611060718 A CN201611060718 A CN 201611060718A CN 106780832 A CN106780832 A CN 106780832A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
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- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention belongs to avionics field, it is related to a kind of protection type audio frequency and video composite record device.Including main control module; power module and the protection component that crashes; wherein; the power module connects main control module; for it is powered, main control module is connected with the protection component that crashes, and main control module bus connection also by AFDX buses, the buses of ARINC 429 and on machine; too network bus digital camera, ground-support device and program loader on connection machine respectively, and be connected with digital sound pick-up on machine by cabin sound data wire.The present invention has AFDX EBIs, can gather digital voice data；UTC time is obtained with the buses of ARINC 429, all record has Beijing time and UTC time in each data frame, facilitates multi-channel data synchronization, while the voice data that can also gather of the system and video data are data signal；The present invention can be powered by 115AC and 28VDC simultaneously, improve versatility, while the present invention increased lightning protection circuit design for external interface, can resist thunder and lightning indirect effect.
Description
Technical field
The invention belongs to avionics field, it is related to a kind of protection type audio frequency and video composite record device.
Background technology
In conventional protection type cockpit video-with-audio recording device design, collection of simulant signal is all used, carrying out ground
Must be changed using special data processing software during reduction can just be carried out, with the hair of digital audio/video collecting technology
Exhibition, the protection logger development for being capable of acquisition and recording digital audio-video data is put on agenda.
Thunder and lightning indirect effect design is not carried out in being designed in conventional protection type audio-video collection simultaneously, and in new state
Produce in civil aircraft, the requirement of lightning protection is increasingly highlighted, the demand of development of new protection type cockpit audio frequency and video composite record device
It is increasingly urgent.
The content of the invention
Goal of the invention：A kind of protection type audio frequency and video composite record device for being capable of acquisition and recording digital audio-video data is provided.
Technical scheme：A kind of protection type audio frequency and video composite record device, including main control module 3, power module 2 and the guarantor that crashes
Protecting assembly 1, wherein, the connection main control module 3 of the power module 2 is its power supply, main control module 3 and the protection component 1 that crashes
Connection, and the bus connection also by AFDX buses, ARINC-429 buses and on machine of the main control module 3, too network bus difference
Digital camera, ground-support device and program loader on connection machine, and by digital sound pick-up on cabin sound data wire and machine
Connection.
The power module includes the AC/DC change-over circuits 201, power supply voting circuit 202, the peak restrained electricity that are sequentially connected with
Road 203, overvoltage crowbar 204, electric source filter circuit 205, power boost circuit 206, accumulator 207, DC-DC change electricity
Road 208, wherein, power supply voting circuit 202 is also connected with 28V dc sources on machine, 115V on the connection machine of AC/DC change-over circuits 201
AC power.
3. power lightning protection circuit is provided with power module 2 between AC/DC change-over circuits 201 and power supply voting circuit 202
210。
Power down indicating circuit 209 is connected with the power module 2 on accumulator 207.
The main control module 3 includes the 1st road ethernet physical layer interface chip 307, the 2nd road ethernet physical layer interface
Chip 308, PowerPC 309, AFDX terminals acquisition module 316, ARINC-429 interface chips 317, FPGA circuitry
328th, via memory interface circuit 322, wherein, the 1st road ethernet physical layer interface chip 307 connects with PowerPC 309
Connect, PowerPC 309 by via memory interface circuit 322 connect crash protection component 1, FPGA circuitry 328 respectively with
PowerPC 309 and ARINC-429 interface chips 317 are connected, and PowerPC is micro- for the connection of AFDX terminals acquisition module 316
The road ethernet physical layer interface chip 307 of processor the 309, the 1st is by isolating transformer and Ethernet lightning protection circuit connection No. 3 machines
Upper digital video camera.
Pass through isolating transformer by 3 tunnels on the 2nd road ethernet physical layer interface chip 308 in the main control module 3
With digital video camera, ground installation and program loader on Ethernet lightning protection circuit respectively connection machine.
Reset circuit 318, program storage is also associated with the main control module 3 on PowerPC 309
320th, main memory circuit 321, Beijing time Acquisition Circuit 323, clock circuit 329.
Clock circuit 330 is connected with the main control module 3 on FPGA circuitry 328, and by DAB encoding and decoding
Digital sound pick-up on the connection machine of circuit 324.
AFDX terminals acquisition module 316, ARINC-429 interface chips 317, DAB is compiled in the main control module 3
Decoding circuit 324 is respectively connected with AFDX lightning protection circuits 325, ARINC-429 lightning protection circuits 326, audio lightning protection circuit 327.
In the main control module 3 PowerPC 309 by AFDX terminals acquisition module 316 and machine other
AFDX bus switch machine equipment is connected, can be with gathered data chain data and digital voice data.
Beneficial effect：Protection type audio frequency and video composite record device of the present invention has the advantages that：
A) present invention has 1 road AFDX EBIs, can be crosslinked with the equipment with AFDX EBIs on aircraft, obtains
Data-Link data are taken, and digital voice data can be obtained by the AFDX buses；
B) present invention is connected with 1 railway digital sound pick-up, can gather 1 railway digital cabin message number；
C) there is the present invention 1 road ARINC-429 bus slave computers to carry maintenance system acquisition UTC time, while oneself is designed with
Beijing time Acquisition Circuit, for gathering Beijing time, all record has Beijing time and UTC time in each data frame, side
Just multi-channel data synchronization is carried out in data convert；
D) present invention has 6 road Fast Ethernet interfaces, and 4 tunnels are used for and the digital camera with Ethernet interface is handed over
Connection, gathers digital video signal；1 tunnel loads for software；Downloaded for data on 1 tunnel；
E) present invention can simultaneously be powered by 115AC and 28VDC, also can individually be powered work in two kinds of power supplys；
The power adaptation of product is enriched, the versatility of product is also improved so that the type product can lead in more aircrafts
With；
F) present invention increased lightning protection circuit design to external communication interface, can resist thunder and lightning indirect effect.
Brief description of the drawings
Fig. 1 is theory diagram of the invention.
Fig. 2 is power module block diagram of the invention.
Fig. 3 is main control module theory diagram of the invention.
Fig. 4 is this practical information packet composition schematic diagram.
Wherein, 3- main control modules, 2- power modules, 1- crashes and protects component, 201-AC/DC change-over circuits, 202- electricity
Source voting circuit, 203- peak restrained circuits, 204- overvoltage crowbars, 205- electric source filter circuits, 206- power boosts electricity
Road, 207- accumulators, 208-DC-DC varying circuits, 209- power down indicating circuits, 210- power lightning protection circuits, the tunnels of 301- the 1st
Isolating transformer, 302- No. 2nd isolating transformers, 303- No. 3rd isolating transformers, 304- No. 4th isolating transformers, 305-
No. 5 isolating transformers, 306- No. 6th isolating transformers, the road ethernet physical layer interface chips of 307- the 1st, the road ether of 308- the 2nd
Net physical layer interface chip, 309-PowerPC microprocessors, the road Ethernet lightning protection circuits of 310- the 1st, the road Ethernets of 311- the 2nd
Lightning protection circuit, the road Ethernet lightning protection circuits of 312- the 3rd, the road Ethernet lightning protection circuits of 313- the 4th, the road Ethernet lightning protection of 314- the 5th
Circuit, the road Ethernet lightning protection circuits of 315- the 6th, 316-AFDX terminal acquisition modules, 317-ARINC-429 interface chips, 318-
Reset circuit, 319- power source change circuits, 320- program storages, 321- main memory circuits, 322- via memory interface circuits, 323- north
Capital time Acquisition Circuit, 324- DAB coding-decoding circuits, 325-AFDX lightning protection circuits, 326-ARINC-429 lightning protection circuits,
327- audio lightning protection circuits, 328-FPGA circuits, 329- clock circuits, 330- clock circuits.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, protection type audio frequency and video composite record device of the present invention includes main control module 3, power module 2 and crash
Protection component 1.Wherein, the connection of the power module 2 main control module 3, is its power supply, main control module 3 and crash protection group
Part 1 is connected, and the main control module 3 bus connection, too network bus also by AFDX buses, ARINC-429 buses and on machine
Digital camera, ground-support device and program loader on connection machine respectively, and picked up by cabin sound data wire and numeral on machine
Sound device is connected.
As shown in Fig. 2 described power module include be sequentially connected with 201,202,203,204,205,206,207,
208, wherein, 202 are also connected with 28V dc sources on machine, and 115V AC powers on 201 connection machines are provided between 201 and 202
209 are connected with 210,207.Wherein AC-DC change-over circuits 201, AC-DC change-over circuits turn the 115AC power supplys of outside input
It is changed to 28VDC power supplys, power supply voting circuit 202, by 28VDC power supplys and machine that the circuit changes AC-DC change-over circuits
The 28VDC power supplys for directly inputting are put to the vote, and peak restrained circuit 203, overvoltage crowbar 204, electric source filter circuit 205 can
Suppress with to the too high voltage and current that power selection circuit 202 is input into, so that back-end circuit is protected, power boost electricity
Road 206 is used to for voltage instantaneous to rise a height of 10VDC~40VDC, for improving power down energy storage time.Accumulator 207, DC-DC
Varying circuit 208, the circuit of power down indicating circuit 209, are respectively used to provide 3.3VDC to data management module and power down indicate letter
Number.Power lightning protection circuit 210, for suppressing thunder and lightning indirect effect, for protecting back-end circuit.
As shown in figure 3, the main control module 3 is by No. 1st isolating transformer 301, No. 2nd isolating transformer 302, the
No. 3 isolating transformers 303, No. 4th isolating transformer 304 are connected with the digital camera on machine respectively, receive video data；It is main
Control module is connected by No. 5th isolating transformer 305 with ground checkout equipment, is downloaded for data；By the 6th isolation transformation
Device 306 is connected with software loading equipemtn unified on machine, for software maintenance upgrading；No. 1st isolating transformer 301 and the 1st tunnel
Ethernet lightning protection circuit circuit 310 is connected, and No. 2nd isolating transformer 302 is connected with the 2nd road Ethernet lightning protection circuit circuit 311,
No. 3rd isolating transformer 303 is connected with the 3rd tunnel too net lightning protection circuit circuit 312, No. 4th isolating transformer 304 and the 4th tunnel
Ethernet lightning protection circuit circuit 313 is connected, and No. 5th isolating transformer 305 is connected with the 5th road Ethernet lightning protection circuit circuit 314,
No. 6th isolating transformer 306 is connected with the 6th road Ethernet lightning protection circuit circuit 315, while No. 1st isolating transformer the 301, the 2nd
Road isolating transformer 302, No. 3rd isolating transformer 303 are connected with the 1st road ethernet physical layer interface chip 307 simultaneously, and the 4th
Road isolating transformer 304, No. 5th isolating transformer 305, No. 6th isolating transformer 306 simultaneously with the 2nd road ethernet physical layer
Interface chip 308 is connected, and ethernet physical layer interface chip 307,308 is connected with PowerPC 309 simultaneously.Master control
Molding block is connected by AFDX terminals acquisition module 316 with aircraft AFDX interchangers, obtains voice data and Data-Link data, together
When AFDX terminals collection mould be also associated with AFDX lightning protection circuits 325, and connected with PowerPC 309 by pci bus
Connect；Main control module receives UTC astronomical times to keep and the other equipment time on machine by ARINC-429 interface chips 317
It is synchronous, while ARINC-429 interface chips 317 are also associated with ARINC-429 lightning protection circuits 326 and FPGA circuitry 328；Main control
Module carries out crosslinking for gathering cabin sound data by data audio coding-decoding circuit 324 and exterior compartment sound data acquisition equipment,
Data audio coding-decoding circuit 324 is also associated with audio lightning protection circuit 326 and FPGA circuitry 328 simultaneously；FPGA circuitry 328 is distinguished
It is connected with PowerPC circuit 309 and clock circuit 330 is connected, PowerPC circuit is also associated with resetting
Circuit 318, program storage 320, clock circuit 329, main memory circuit 321, via memory interface circuit 322, and by SPI interface with
Beijing time Acquisition Circuit 323 is connected to read Beijing time.Main control module also include power converting circuit 319 respectively with
Ethernet physical layer interface chip 307,308, PowerPC 309, AFDX terminals acquisition module 316, ARINC-429
Interface chip 317, reset circuit 318, program storage 320, main memory circuit 321, via memory interface circuit 322, Beijing time adopts
Collector 323, DAB coding-decoding circuit 324, FPGA circuitry 328 is connected to provide power supply to foregoing circuit.
As shown in figure 4, the data memory format of described protection type audio frequency and video composite record device includes data packet head sum
According to inclusion.
The data packet head in storage format includes starting bag mark, data type, passage ID, bag length as shown by the data in table 1
Degree, data length, frame number, packet mark, relative time counter and packet header verification and.
The data packet head structural table of the present invention of table 1
| Field | Definition | Length |
| Field 1 | Starting bag mark | 2 bytes |
| Field 2 | Data type | 2 bytes |
| Field 3 | Passage ID | 2 bytes |
| Field 4 | Packet length | 4 bytes |
| Field 5 | Data length | 4 bytes |
| Field 6 | Frame number | 1 byte |
| Field 7 | Packet mark | 1 byte |
| Field 8 | Relative time counter | 6 bytes |
| Field 9 | Packet header verify and | 2 bytes |
Data inclusion passage particular data word, UTC time, Beijing time, failure in data memory format as shown in table 2
Word, configuration library name, production code member, aircraft number, pilot's numbering, data.
The data inclusion of table 2 composition is illustrated
| Field | Definition | Length |
| Field 1 | Passage particular data word | 4 bytes |
| Field 2 | UTC time | 8 bytes |
| Field 3 | Beijing time | 8 bytes |
| Field 4 | Faulty word | 4 bytes |
| Field 5 | Configuration library name | 8 bytes |
| Field 6 | Production code member | 8 bytes |
| Field 7 | Aircraft number | 14 bytes |
| Field 8 | Pilot numbers | 2 bytes |
| Field 9 | Data | 1968 bytes |
Claims (10)
1. a kind of protection type audio frequency and video composite record device, it is characterised in that including main control module (3), power module (2) and pendant
Ruin protection component (1), wherein, the power module (2) connects main control module (3), is its power supply, main control module (3) with
Protection component (1) of crashing is connected, and the main control module (3) also passes through AFDX buses, ARINC-429 buses and bus on machine
Connection, industry ethernet digital camera, ground-support device and program loader on connection machine respectively, and by cabin sound data
Line is connected with digital sound pick-up on machine.
2. protection type audio frequency and video composite record device according to claim 1, it is characterised in that the power module includes suitable
The AC/DC change-over circuits (201) of secondary connection, power supply voting circuit (202), peak restrained circuit (203), overvoltage crowbar
(204), electric source filter circuit (205), power boost circuit (206), accumulator (207), DC-DC varying circuits (208), its
In, power supply voting circuit (202) is also connected with 28V dc sources on machine, 115V exchanges on AC/DC change-over circuits (201) connection machine
Power supply.
3. protection type audio frequency and video composite record device according to claim 2, it is characterised in that in the power module (2)
Power lightning protection circuit (210) is provided between AC/DC change-over circuits (201) and power supply voting circuit (202).
4. protection type audio frequency and video composite record device according to claim 3, it is characterised in that in the power module (2)
Power down indicating circuit (209) is connected with accumulator (207).
5. protection type audio frequency and video composite record device according to claim 1, it is characterised in that the main control module (3)
Including the 1st road ethernet physical layer interface chip (307), the 2nd road ethernet physical layer interface chip (308), the micro- places of PowerPC
Reason device (309), AFDX terminals acquisition module (316), ARINC-429 interface chips (317), FPGA circuitry (328), memory interface
Circuit (322), wherein, the 1st road ethernet physical layer interface chip (307) is connected with PowerPC (309),
PowerPC (309) connects protection component (1) of crashing, FPGA circuitry (328) point by via memory interface circuit (322)
It is not connected with PowerPC (309) and ARINC-429 interface chips (317), AFDX terminals acquisition module (316) are even
PowerPC (309) is connect, the 1st road ethernet physical layer interface chip (307) is anti-by isolating transformer and Ethernet
Thunder and lightning road connects digital video camera on No. 3 machines.
6. protection type audio frequency and video composite record device according to claim 5, it is characterised in that the main control module (3)
In connected respectively by isolating transformer and Ethernet lightning protection circuit by 3 tunnels on the 2nd road ethernet physical layer interface chip (308)
Pick upper digital video camera, ground installation and program loader.
7. protection type audio frequency and video composite record device according to claim 6, it is characterised in that the main control module (3)
Be also associated with middle PowerPC (309) reset circuit (318), program storage (320), main memory circuit (321),
Beijing time Acquisition Circuit (323), clock circuit (329).
8. protection type audio frequency and video composite record device according to claim 7, it is characterised in that the main control module (3)
Clock circuit (330) is connected with middle FPGA circuitry (328), and by number on DAB coding-decoding circuit (324) connection machine
Word sound pick-up.
9. protection type audio frequency and video composite record device according to claim 8, it is characterised in that the main control module (3)
Middle AFDX terminals acquisition module (316), ARINC-429 interface chips (317), DAB coding-decoding circuit (324) are respective
It is connected with AFDX lightning protection circuits (325), ARINC-429 lightning protection circuits (326), audio lightning protection circuit (327).
10. protection type audio frequency and video composite record device according to claim 1, it is characterised in that the main control module (3)
Middle PowerPC (309) is connected by other AFDX bus switch machine equipments in AFDX terminals acquisition module (316) and machine
Connect, can be with gathered data chain data and digital voice data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060718.5A CN106780832A (en) | 2016-11-25 | 2016-11-25 | A kind of protection type audio frequency and video composite record device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060718.5A CN106780832A (en) | 2016-11-25 | 2016-11-25 | A kind of protection type audio frequency and video composite record device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106780832A true CN106780832A (en) | 2017-05-31 |
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ID=58913242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060718.5A Pending CN106780832A (en) | 2016-11-25 | 2016-11-25 | A kind of protection type audio frequency and video composite record device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107767489A (en) * | 2017-09-13 | 2018-03-06 | 陕西千山航空电子有限责任公司 | A kind of power supply module and power down control method for protecting logger |
| CN108510616A (en) * | 2018-02-11 | 2018-09-07 | 苏州光之翼智能科技有限公司 | A kind of unmanned plane High-speed Data Recording System |
| CN109407572A (en) * | 2018-09-10 | 2019-03-01 | 陕西千山航空电子有限责任公司 | A kind of engine parameter collecting cassette |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767489A (en) * | 2017-09-13 | 2018-03-06 | 陕西千山航空电子有限责任公司 | A kind of power supply module and power down control method for protecting logger |
| CN108510616A (en) * | 2018-02-11 | 2018-09-07 | 苏州光之翼智能科技有限公司 | A kind of unmanned plane High-speed Data Recording System |
| CN109407572A (en) * | 2018-09-10 | 2019-03-01 | 陕西千山航空电子有限责任公司 | A kind of engine parameter collecting cassette |
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Application publication date: 20170531 |