CN108563596A - A kind of acquisition of Portable aircraft 1188A interface signals and detection device - Google Patents
A kind of acquisition of Portable aircraft 1188A interface signals and detection device Download PDFInfo
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- CN108563596A CN108563596A CN201810349301.3A CN201810349301A CN108563596A CN 108563596 A CN108563596 A CN 108563596A CN 201810349301 A CN201810349301 A CN 201810349301A CN 108563596 A CN108563596 A CN 108563596A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a kind of acquisition of Portable aircraft 1188A interface signals and detection devices, pass through threeway cable connection 1188A main interfaces, Airborne Stores main interface and signal acquisition and detection device；The device includes：Power supply module, computer communication module, display module, bandwidth signal module, pulse discrete magnitude module, charging wireless module；Power supply module connects external connector, is other each module for power supply；Computer communication module connects external connector by 1553B buses, receives the control instruction of ground system in a manner of wireless telecommunications with wireless module charging, completes each interface signal state acquisition and storage；Bandwidth signal module connects external connector, is used for the acquisition of high low-bandwidth signal；Pulse discrete magnitude module connects external connector, for being acquired to discrete magnitude and pulsed quantity；Charging connects external connector with wireless module, is used for the management of aircraft charge and discharge control and wireless telecommunications；External connector and threeway cable connection.
Description
Technical field
The invention belongs to Signal Collection Technology field, it is related to a kind of Portable aircraft 1188A interface signals acquisition and detection
Device.
Background technology
GJBll88A-99《Aircraft/hanger electric connection system interface requirement》It is electrical between regulation aircraft-hanger
The important National Military Standard of interface.The standard provide, ASI (aircraft hanging point interface), MSI (task hanger interface),
Electric interfaces type and characteristic in the main interface of CSI (delivery hanger interface) and CSSI (delivery hanger hanging point interface)；Letter
Number type includes mainly high-bandwidth signals, multiplex data bus signal, low-bandwidth signal, dedicated discrete signal, aircraft power supply etc.
's.Military secret weapon system each hanging point main interface in the country's generally carries out passing through mark design, the Interface Electrical signal according to this standard at present
Working condition be related to airborne combat task action result, about the interface signal acquisition with detection be a key technology.
Invention content
(1) goal of the invention
The purpose of the present invention is：By a kind of Portable aircraft 1188A interface signals acquisition of design and detection device, effectively
Acquisition with detection all kinds of electric signals of aircraft main interface working condition, to improve ground safeguard person works' efficiency.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of acquisition of Portable aircraft 1188A interface signals and detections
Device, which is characterized in that general beam is set on aircraft wing, 1188A main interfaces are set on general beam, threeway cable is separately connected
1188A main interfaces, aircraft emitting substance, task hanger main interface and signal acquisition and detection device；The signal acquisition and inspection
Surveying device includes：Power supply module, computer communication module, display module, bandwidth signal module, pulse discrete magnitude module, charging
Wireless module；Power supply module connects external connector, for being other each module for power supply；Computer communication module passes through 1553B
Bus connects external connector, is received in a manner of wireless telecommunications charging and wireless module and is referred to come the control of ground system
It enables, completes each interface signal state acquisition and storage；Bandwidth signal module connects external connector, for high low-bandwidth signal
Acquisition；Pulse discrete magnitude module connects external connector, for being acquired to discrete magnitude and pulsed quantity；Charging and wireless module
External connector is connected, the management of aircraft charge and discharge control and wireless telecommunications are used for；External connector and threeway cable connection.
(3) advantageous effect
In the acquisition of Portable aircraft 1188A interface signals and detection device that above-mentioned technical proposal is provided, 1188A interfaces
As the standard interface of current military aircraft hanger, which has versatility with detection device to domestic fighter airplane, adopts
The reliability, portability, economy of device are greatly enhanced with embedded software, hardware design thinking, and there is wide application
Foreground.
Description of the drawings
Fig. 1 is a kind of Portable aircraft 1188A interface signals acquisition of the present invention and detection device external interface connection signal
Figure.
Fig. 2 is power supply module functional block diagram of the embodiment of the present invention.
Fig. 3 is high-bandwidth signals submodule functional block diagram of the embodiment of the present invention.
Fig. 4 is audio and video module functional block diagram of the embodiment of the present invention.
Fig. 5 is pulse discrete block functional block diagram of the embodiment of the present invention.
Fig. 6 is charging of the embodiment of the present invention and wireless module functional block diagram.
Fig. 7 is signal acquisition of the embodiment of the present invention and detection device electrical schematic diagram.
Fig. 8 is inspection software work flow diagram in device of the embodiment of the present invention.
Specific implementation mode
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the tool of the present invention
Body embodiment is described in further detail.
In order to detect in real time weapon system hanging point 1188A main interface various types of signal working condition, the present embodiment is portable
Formula aircraft 1188A interface signals acquire the discrete letter for being mainly used for aircraft emitting substance, task hanger main interface with detection device
Number, DC power signal, ac supply signal, pulsed quantity signal, multiplex data bus signal (GJB289A bus signals) adopt
Collection and detection.
Shown in referring to Fig.1, general beam is set on aircraft wing, 1188A main interfaces, threeway cable point are set on general beam
It Lian Jie not 1188A main interfaces, aircraft emitting substance, task hanger main interface and signal acquisition and detection device.
With reference to shown in Fig. 7, signal acquisition includes with detection device：Power supply module, computer communication module, display module,
Bandwidth signal module, pulse discrete magnitude module, charging wireless module；Power supply module connects external connector, for being other each
Module for power supply；Computer communication module connects external connector by 1553B buses, by charging and wireless module with channel radio
The mode of news receives the control instruction for carrying out ground system, completes each interface signal state acquisition and storage；Bandwidth signal module connects
External connector is connect, the acquisition of high low-bandwidth signal is used for；Pulse discrete magnitude module connects external connector, for discrete magnitude
It is acquired with pulsed quantity；Charging connects external connector with wireless module, is used for the management of aircraft charge and discharge control and channel radio
News；External connector and threeway cable connection.
The present embodiment signal acquisition is mainly used for the discrete letter of aircraft emitting substance, task hanger main interface with detection device
Number, DC power signal, ac supply signal, pulsed quantity signal, multiplex data bus signal (GJB289A bus signals) adopt
Collection and detection, wherein discrete magnitude, DC power signal, AC signal complete acquisition by discrete magnitude acquisition module, high low bandwidth is believed
It number is acquired by bandwidth signal module, GJB289A buses are completed to acquire by computer communication module.Concrete signal definition see the table below：
1. 1188A signal types of table count
Computer communication module is based on the computer system that ARM9 is core, and periphery is realized by gate array by the extension of CPU
Bus switchs to the LBE buses of standard.To make system compact, the number that computer communication module integrates GJB289A-97 standards connect
Mouthful.Processor is handled by other expansion modules in internal bus controlling machine box, while to 1553B information on plate, is realized
Bus MT functions.
Computer communication module receives the control come ground system charging and wireless module in a manner of wireless telecommunications
Each interface signal state acquisition and storage are completed in instruction.It is (compatible that computer communication module integrates high-performance processor core
ARM9), maximum operating frequency 240MHz carries high-speed procedure, data storage and high performance float-point calculation coprocessor；It is integrated
FPGA, 300,000 equivalent logic doors, 4 DCM Clock Managing Units；Integrated AMBA bus control units, support AHB or APB patterns；
Integrated on-chip SRAM and 32 external memory interfaces；With 1 road GJB289A bus interface (dual redundant).
With reference to shown in Fig. 2, power supply module is opened by input filter, anti-return, clamper, energy storage, output filtering and+5V, ± 15V
The part such as powered-down source forms, wherein+5V peak power output 10W, ± 15V peak power output 3W, output ripple (peak-peak
Value)<100mV is designed by GJB181-86 standard B class power supply unit requirements.
Bandwidth signal module includes high-bandwidth signals submodule and low bandwidth processing module.
With reference to shown in Fig. 3, high-bandwidth signals submodule includes that satellite reception chip and CC lock-out pulses receive chip two
Point.
Satellite reception chip receives the satellite-signal from antenna, parses the location informations such as longitude and latitude and by the ends UART
Mouth output.
The leading indicator of satellite signal receiving is as follows：
Receive signal：GPS L1 frequency points 1575.42MHz；BD-2B1 frequency points 1561.098MHz
Output protocol format：Support NMEA0183, BUPro, RINEX
1PPS output accuracies：100ns
Data updating rate：1HZ
Positioning accuracy：It is horizontal<5m, elevation<10m
CC lock-out pulses, which receive chip, to be responsible for completing that the pulse that 1188A interfaces issue is identified, and realizes frequency, width
Value, pulsewidth can be surveyed.
With reference to shown in Fig. 4, low bandwidth processing module includes acoustics unit and video unit two parts.
Video unit includes synchronous extracting chip and two-way video A/D chip, for acquiring two-way video-signal, support in,
Outer two kinds of synchronous modes, under interior synchronous mode, FPGA integrated SOPC carries out video, sound based on the synchronizing signal that inside generates
Frequency signal acquisition.Under External synchronization mode, FPGA controls synchronous extracting chip and is obtained from the synchronization video source of input together first
Signal is walked, then carries out video data acquiring accordingly.
Acoustics unit includes driving circuit and isolation circuit, and match circuit is designed according to input signal characteristics, finally by
FPGA completes the acquisition of acoustic signal.
Referring to Figure 5, pulse discrete block supports the interfaces such as pulse input output and discrete magnitude control to use FPGA+ light
Acquisition of the implementation method of coupling to discrete magnitude and pulsed quantity.Design parameter is as follows：
32 road discrete magnitude input interfaces, can software configuration (voltage value can be surveyed)；
3 road alternating-current measurement interfaces；
6 road input pulse circuit interfaces.
With reference to shown in Fig. 6, charging and wireless module include management of charging and discharging unit and wireless telecommunications control unit.
Wireless telecommunications control unit uses the modulation demodulation system of Direct Sequence Spread Spectrum, has certain anti-interference ability,
The electromagnetic environment that the more nets of the same area work at the same time can be met, being carried out at the same time ground wireless test for short distance multi-aircraft carries
For the technological means of wireless data communication, submodule uses semiduplex communication mode, and one can be formed between multiple devices
A dedicated Wireless LAN；Multiple Wireless LAN can be established by Frequency Division Multiple Access in the same area.Specifically
Parameter is as follows：
Operating distance：In view of fuselage blocks and aerial position, ≮ 30m；
Working frequency：1429MHz~1525MHz；
Power system capacity：8 airplane of the same area does not generate interference to each other；
Transmission power：30dBm；
Modulation system：DS+QPSK；
Multiple access system：TDMA+FDMA；
Duplex mode：Half-duplex；
Spreading rate：5Mchip/s；
Information rate：1.8Mbit/s；
Frequency point number：13；
Spread code length：8；
Spread spectrum-coded modulation：4/8MSK；
Coding mode：CRC check error correction+convolutional code (2,1,7)；
Sensitivity：-100dBm@10-7；
Dynamic range：≥70dB；
Anti-interference ability：Anti-jamming margin ≮ 10dB；
Networking protocol：By the time slot method of salary distribution；
Antenna：Horizontal omnidirectional, vertical polarization, length are less than 30mm.
Management of charging and discharging unit is used for the management of charging and discharging of battery, battery capacity 2200mAh；Built in management of charging and discharging unit
State-feedback circuit, can be to computer communication module feedback charged state and electricity；Temperature sensor, temperature are set on battery
Sensor connects management of charging and discharging unit, monitors the battery temperature in charging process in real time, and when excess temperature interrupts charging process automatically.
With reference to shown in Fig. 7, signal acquisition further includes with detection device：Cabinet；Power supply module, is shown computer communication module
Show module, bandwidth signal module, pulse discrete magnitude module arrangement in cabinet；Cabinet panel, cabinet panel are set outside cabinet
It is equipped with power switch, display screen (display interface signals, weapon flow and weapon type lamp), operation button and indicator light, machine
The external connector of case includes main connector and expansion connector.
Based on above-mentioned signal acquisition and detection device, it is additionally provided with inspection software, operating system accordingly：It is embedded
WINCE5.0 operating systems；Programming language：C++；Developing instrument： EVC++.
Inspection software comprises the following modules：
Startup self-check module：After being mainly used for device power, each function module power-on self-test test program is run, is completed each
The status checkout of a function module, and include in equipment main interface by self-detection result.
Parameter and initialization module：It is mainly used for the setting of equipment parameters, mainly including in collection period, acquisition
Hold, acquire the parameter settings such as expectation threshold value.After the completion of waiting for parameter setting, which parameter is written by intra-system bus
In each hardware module registers, each function module parameter setting function is completed.
Test data reads control module：The module is according to cycle parameter, and acquisition content, according to timer state, week
Phase reads the status register of each function module, completes operation of the gathered data by hardware register to host memory.
State display module completes the display of each acquisition signal condition.
The data that each module acquires are written with dma mode in real time by establishment file system for data storage software module
To built in computer module in flash chip.Convenient for data analysis and parsing.
Fault diagnosis module, the module are analyzed according to the data acquired in real time, and main includes the work of acquisition signal
Period, state be compared with the expectation threshold value of arrange parameter, the data of acquisition are analyzed, carry out fault diagnosis.
Based on above-mentioned inspection software, the main working process of Portable aircraft 1188A interface signals acquisition and detection device
See Fig. 8.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of Portable aircraft 1188A interface signals acquisition and detection device, which is characterized in that be arranged on aircraft wing general
Beam, 1188A main interfaces are arranged on general beam, and threeway cable is separately connected 1188A main interfaces, aircraft emitting substance, task hanger
Main interface and signal acquisition and detection device；The signal acquisition includes with detection device：Power supply module, computer communication mould
Block, display module, bandwidth signal module, pulse discrete magnitude module, charging wireless module；Power supply module connects external connector,
For for other each module for power supply；Computer communication module connects external connector by 1553B buses, by charging and wirelessly
Module receives the control instruction for carrying out ground system in a manner of wireless telecommunications, completes each interface signal state acquisition and storage；Band
Bandwidth signals module connects external connector, is used for the acquisition of high low-bandwidth signal；Pulse discrete magnitude module connects external connector,
For being acquired to discrete magnitude and pulsed quantity；Charging connects external connector with wireless module, is used for aircraft charge and discharge control
Management and wireless telecommunications；External connector and threeway cable connection.
2. Portable aircraft 1188A interface signals acquisition as described in claim 1 and detection device, which is characterized in that described
Computer communication module is that periphery is realized by gate array switchs to the expansion bus of CPU based on the computer system that ARM9 is core
The LBE buses of standard, and the digital interface of integrated GJB289A-97 standards.
3. Portable aircraft 1188A interface signals acquisition as claimed in claim 2 and detection device, which is characterized in that described
Bandwidth signal module includes high-bandwidth signals submodule and low bandwidth processing module.
4. Portable aircraft 1188A interface signals acquisition as claimed in claim 3 and detection device, which is characterized in that described
High-bandwidth signals submodule includes that satellite reception chip and CC lock-out pulses receive chip two parts；Satellite reception chip, which receives, to be come
From the satellite-signal of antenna, parses the location informations such as longitude and latitude and exported by the ports UART；CC lock-out pulses receive chip
The pulse for being responsible for completing to issue 1188A interfaces is identified, and realizes that frequency, amplitude, pulsewidth can be surveyed.
5. Portable aircraft 1188A interface signals acquisition as claimed in claim 4 and detection device, which is characterized in that described
Low bandwidth processing module includes acoustics unit and video unit two parts；Video unit includes synchronous extracting chip and two-way video
A/D chip supports inside and outside two kinds of synchronous modes for acquiring two-way video-signal, and under interior synchronous mode, SOPC is integrated
FPGA carries out video, audio signal sample based on the synchronizing signal that inside generates；Under External synchronization mode, FPGA is controlled together first
Step extraction chip obtains synchronizing signal from the synchronization video source of input, then carries out video data acquiring accordingly；Acoustics unit packet
Driving circuit and isolation circuit are included, the acquisition of acoustic signal is completed by FPGA.
6. Portable aircraft 1188A interface signals acquisition as claimed in claim 5 and detection device, which is characterized in that described
Charging and wireless module include management of charging and discharging unit and wireless telecommunications control unit.
7. Portable aircraft 1188A interface signals acquisition as claimed in claim 6 and detection device, which is characterized in that described
Wireless telecommunications control unit uses the modulation demodulation system of Direct Sequence Spread Spectrum, in the electromagnetism ring that the more nets of the same area work at the same time
Border is carried out at the same time ground wireless test for short distance multi-aircraft and provides wireless data communication.
8. Portable aircraft 1188A interface signals acquisition as claimed in claim 7 and detection device, which is characterized in that described
Management of charging and discharging unit is used for the management of charging and discharging of battery, battery capacity 2200mAh；Management of charging and discharging unit built-in state is fed back
Circuit, can be to computer communication module feedback charged state and electricity；Temperature sensor is set on battery, and temperature sensor connects
It connects management of charging and discharging unit, monitors the battery temperature in charging process in real time, when excess temperature interrupts charging process automatically.
9. Portable aircraft 1188A interface signals acquisition as claimed in claim 8 and detection device, which is characterized in that described
Signal acquisition further includes with detection device：Cabinet；Power supply module, computer communication module, display module, bandwidth signal module,
Pulse discrete magnitude module arrangement is in cabinet；Cabinet panel is set outside cabinet, and cabinet panel is equipped with power switch, display
Screen, operation button and indicator light.
10. Portable aircraft 1188A interface signals acquisition as claimed in claim 9 and detection device, which is characterized in that described
External connector is arranged on cabinet, including main connector and expansion connector.
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| CN111750741A (en) * | 2020-06-17 | 2020-10-09 | 江西洪都航空工业集团有限责任公司 | Distributed plug-in management system of training machine |
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