CN209086366U - A kind of detection device of airborne GJB-289A bus communication cable - Google Patents
A kind of detection device of airborne GJB-289A bus communication cable Download PDFInfo
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- CN209086366U CN209086366U CN201821455475.XU CN201821455475U CN209086366U CN 209086366 U CN209086366 U CN 209086366U CN 201821455475 U CN201821455475 U CN 201821455475U CN 209086366 U CN209086366 U CN 209086366U
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Abstract
The utility model relates to a kind of detection devices of airborne GJB-289A bus communication cable, portable PXI host including pluggable muti-piece PXI functional cards, the portable PXI host is connected with the controller for handling and transmitting data, the controller is connected with bus communication board and receives for providing bus pumping signal and bus signals, the controller is connected with the oscillograph board for measuring and analyzing signal waveform, the controller is connected with multiplexer and matrix switch and is used to provide being switched fast and multiplexing function for test point and test device, the bus communication board, oscillograph board, multiplexer and matrix switch are connected with interface adapter for connecting the plug of tested bus apparatus.The utility model reduces the complete machine wireline test time, and the plug number of test contacts connector is greatly decreased, significantly reduces testing cost, and improves test data accuracy.
Description
Technical field
The utility model relates to airborne testing for electrical equipment field, specifically a kind of airborne GJB-289A is total
The detection device of line communication cable.
Background technique
It is a large amount of to carry out interconnecting for data using bus communication cable inside modern aircraft between each system,
GJB-289A bus cable is one of which, these bus cables are distributed in each position of aircraft, a large amount of contact is distributed with,
It needs to test the physical characteristic of communication cable and its signal waveform parameter of carrying when maintenance.Due to bus communication cable
Belong in aircraft maintenance and stay machine items of repair job, can only be tested on carry out machine, when conventional manual method is tested, testing efficiency
Low, and be easy to damage connector, as maintenance quantity increases, enterprise is to the test automation degree of bus communication cable, quick
Change degree is put forward higher requirements.
Chinese utility model CN201320434989.8 (publication date is on May 21st, 2014) discloses a kind of portable
1553B bus cable test equipment, including host and signal source, host and signal source are used by RS485 bus communication, host
According to GJB5186.5-2004 and SAE AS4115 standard execute 1553B bus cable testing process, by RS485 bus to
Signal source sends instruction, and control signal source generates 1553B pumping signal, records the response letter of tested 1553B bus cable in real time
Number, and algorithm analysis is carried out to obtain test result to response signal data；Signal source is used to generate needed for test
1553B pumping signal.This method major defect is the test that can only carry out two test points every time, and system under test (SUT) test point is more
When, due to needing to carry out traversal test, needs frequently to plug measured point connector, be easy to cause joint failure, and testing efficiency is low.
Summary of the invention
The technical problem to be solved by the utility model is to propose a kind of airborne GJB-289A bus communication cable
Detection device, it is primary to access when reaching test bus cable, it is automatic to traverse switch test access, to reduce plug connector
Number, promotes the purpose of testing efficiency.
Technical problem to be solved in the utility model is realized using following technical scheme:
A kind of detection device of airborne GJB-289A bus communication cable, just including pluggable muti-piece PXI functional cards
Formula PXI host is taken, the portable PXI host is connected with the controller for handling and transmitting data, the controller connection
There is bus communication board to receive for providing bus pumping signal and bus signals, the controller is connected with for measuring and dividing
The oscillograph board of signal waveform is analysed, the controller is connected with multiplexer and matrix switch for providing test point and surveying
What trial assembly was set is switched fast and multiplexing function, the bus communication board, oscillograph board, multiplexer and matrix switch company
Interface adapter is connected to for connecting the plug of tested bus apparatus.
The bus communication board is GJB-289A bus communication board, realizes to tested communication cable and provides standard letter
Number, and data record and analysis are carried out to the bus signals through cable transmission.
The multiplexer includes first choice channel and the second selector channel, and the first choice channel is selected with second
Selecting channel includes that N number of selection switch progress route N selects 1 selection to be connected, and it is logical that the first choice channel is connected to the bus
Letter board channel one is used for transmission bus pumping signal, and second selector channel is connected to bus communication board channel two
For receiving, recording, analyzing corresponding bus signals, second selector channel be also attached to the oscillograph board for into
Traveling wave shape signal collection and analysis.
The matrix switch is connected to the interface adapter for selecting the p-wire of grafting on the interface adapter
One of cable carries out connection test.
The interface adapter includes multichannel BNC formula interface group and corresponding conversion cable, can be used for not homologous ray, no
Bus contacts with interface type are tested.
The beneficial effects of the utility model are:
(1) compared with prior art, using test access apparatus for fast switching, maximum can carry out 16 to the utility model simultaneously
Road is tested the full-automatic traversal test of contact；
(2) the complete machine wireline test time is reduced, the plug number of test contacts connector is greatly decreased, significantly reduces
Testing cost, and improve test data accuracy.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the system architecture block diagram of the utility model；
Fig. 2 is the circuit switching device circuit figure of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
It is further described in face of the utility model.
System architecture block diagram as shown in Figure 1:
A kind of detection device of airborne GJB-289A bus communication cable, just including pluggable muti-piece PXI functional cards
Formula PXI host 1 is taken, the portable PXI host 1 is connected with the controller 2 for handling and transmitting data, the controller 2
It is connected with bus communication board 3 and is received for providing bus pumping signal and bus signals, the controller 2 is connected with for surveying
The oscillograph board 4 of amount and analysis signal waveform, the controller 2 are connected with multiplexer 5 with matrix switch 6 for providing
Be switched fast and the multiplexing function of test point and test device, the bus communication board 3, oscillograph board 4, multiplexer
5 and matrix switch 6 be connected with interface adapter 7 for connecting the plug of tested bus apparatus.
The bus communication board 3 is GJB-289A bus communication board, realizes to tested communication cable and provides standard letter
Number, and data record and analysis are carried out to the bus signals through cable transmission.
The matrix switch 6 is connected to the interface adapter 7 for selecting the test of grafting on the interface adapter 7
One of cable carries out connection test.
The interface adapter 7 includes multichannel BNC formula interface group and corresponding conversion cable, can be used for not homologous ray,
The bus contacts of different interface type are tested.
Circuit switching device circuit figure as shown in Figure 2:
The multiplexer 5 includes first choice channel T1 and the second selector channel T2, the first choice channel T1
It include that N number of selection switch progress route N selects 1 selection to be connected with the second selector channel T2, the first choice channel T1 connection
It is used for transmission bus pumping signal in 3 channel one of bus communication board, the second selector channel T2 is connected to described total
For receiving, recording, analyzing corresponding bus signals, the second selector channel T2 is also attached in line communication card 3 channel two
The oscillograph board 4 is for carrying out waveform signal acquisition and analysis.
The first choice channel T1 is for sending bus pumping signal 1A+, 1A- and connection ground wire 1AGND, the multichannel
The first choice channel T1 of multiplexer 5 includes that selection switch in totally 16 tunnels is communicated to test point 1-16 totally 16 tests to K1.1-K1.16
Point, when test the first choice channel T1 can only gate wherein certain select switch all the way, the matrix switch 6 by test point with
Test device interface is switched fast and is multiplexed.
The second selector channel T2 includes that selection switch in totally 16 tunnels is connected to the test point 1-16 to K2.1-K2.16,
Gating corresponds to the measurement circuit all the way of the first choice channel T1 when test, by bus return path signal 2A+, 2A-, 2AGND
It is connected to 3 channel two of bus communication board and carries out data record and analysis, while 1 channel signal of bus transfer signal, 2
Channel signal connects the standard signal into 4 pairs of the oscillograph board Jing Guo cable transmission and carries out waveform parameter analysis.
By the circuit switching device of the utility model, it can manually or automatically operate equipment and 16 tunnel bus cables are carried out
Selection test, greatly reduce test point patches number, improves testing efficiency.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of detection device of airborne GJB-289A bus communication cable, it is characterised in that: including pluggable muti-piece PXI function
The portable PXI host (1) of board, the portable PXI host (1) are connected with the controller for handling and transmitting data
(2), the controller (2) is connected with bus communication board (3) and receives for providing bus pumping signal and bus signals, described
Controller (2) is connected with the oscillograph board (4) for measuring and analyzing signal waveform, and the controller (2) is connected with multichannel
Multiplexer (5) and matrix switch (6) are used to provide test point and being switched fast for test device is led to multiplexing function, the bus
Letter board (3), oscillograph board (4), multiplexer (5) and matrix switch (6) are connected with interface adapter (7) for connecting
The plug of tested bus apparatus.
2. a kind of detection device of airborne GJB-289A bus communication cable according to claim 1, it is characterised in that: institute
Stating bus communication board (3) is GJB-289A bus communication board, realizes to tested communication cable and provides standard signal, and to warp
The bus signals of cable transmission carry out data record and analysis.
3. a kind of detection device of airborne GJB-289A bus communication cable according to claim 1, it is characterised in that: institute
Stating multiplexer (5) includes first choice channel (T1) and the second selector channel (T2), the first choice channel (T1) with
Second selector channel (T2) includes that N number of selection switch progress route N selects 1 selection to be connected, and the first choice channel (T1) is even
It is connected to bus communication board channel one and is used for transmission bus pumping signal, second selector channel (T2) is connected to described
For receiving, recording, analyzing corresponding bus signals, second selector channel (T2) is also connected in bus communication board channel two
In the oscillograph board (4) for carrying out waveform signal acquisition and analysis.
4. a kind of detection device of airborne GJB-289A bus communication cable according to claim 1, it is characterised in that: institute
It states matrix switch (6) and is connected to the interface adapter (7) for selecting the test cable of grafting on the interface adapter (7)
One of carry out connection test.
5. a kind of detection device of airborne GJB-289A bus communication cable according to claim 1, it is characterised in that: institute
Stating interface adapter (7) includes multichannel BNC formula interface group and corresponding conversion cable, can be used for not homologous ray, distinct interface
The bus contacts of type are tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455475.XU CN209086366U (en) | 2018-09-06 | 2018-09-06 | A kind of detection device of airborne GJB-289A bus communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455475.XU CN209086366U (en) | 2018-09-06 | 2018-09-06 | A kind of detection device of airborne GJB-289A bus communication cable |
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| Publication Number | Publication Date |
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| CN209086366U true CN209086366U (en) | 2019-07-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415335A (en) * | 2020-12-01 | 2021-02-26 | 广东电网有限责任公司清远供电局 | Line detection device |
| CN112904125A (en) * | 2021-01-23 | 2021-06-04 | 西安微电子技术研究所 | Electric automation test system, method, equipment and storage medium |
| CN113658352A (en) * | 2021-07-07 | 2021-11-16 | 中国人民解放军海军航空大学青岛校区 | Airborne flight parameter signal adapting device |
| CN113810246A (en) * | 2021-09-01 | 2021-12-17 | 国营芜湖机械厂 | Portable GJB-289A test equipment, test method and fault detection method |
| CN113868044A (en) * | 2021-09-01 | 2021-12-31 | 中科可控信息产业有限公司 | Signal testing method and device, computer equipment and storage medium |
-
2018
- 2018-09-06 CN CN201821455475.XU patent/CN209086366U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415335A (en) * | 2020-12-01 | 2021-02-26 | 广东电网有限责任公司清远供电局 | Line detection device |
| CN112904125A (en) * | 2021-01-23 | 2021-06-04 | 西安微电子技术研究所 | Electric automation test system, method, equipment and storage medium |
| CN113658352A (en) * | 2021-07-07 | 2021-11-16 | 中国人民解放军海军航空大学青岛校区 | Airborne flight parameter signal adapting device |
| CN113658352B (en) * | 2021-07-07 | 2023-01-03 | 中国人民解放军海军航空大学青岛校区 | Airborne flight parameter signal adapting device |
| CN113810246A (en) * | 2021-09-01 | 2021-12-17 | 国营芜湖机械厂 | Portable GJB-289A test equipment, test method and fault detection method |
| CN113868044A (en) * | 2021-09-01 | 2021-12-31 | 中科可控信息产业有限公司 | Signal testing method and device, computer equipment and storage medium |
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