CN203714184U - Testing system of navigation device - Google Patents
Testing system of navigation device Download PDFInfo
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- CN203714184U CN203714184U CN201420014219.2U CN201420014219U CN203714184U CN 203714184 U CN203714184 U CN 203714184U CN 201420014219 U CN201420014219 U CN 201420014219U CN 203714184 U CN203714184 U CN 203714184U
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000004891 communication Methods 0.000 claims description 16
- 239000013589 supplement Substances 0.000 claims description 13
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- 239000002184 metal Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012812 general test Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101100437089 Drosophila melanogaster ATPsynO gene Proteins 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses a testing system of a navigation device. The testing system comprises a navigation radio frequency signal source in communicating connection with the navigation device and used for providing a navigation signal for the navigation device, a discrete signal interface unit in communicating connection with the navigation device and used for forwarding or processing a received signal, a control signal in communicating connection with the discrete signal interface unit and used for receiving a signal from the discrete signal interface unit and sending the control signal to the navigation device through the discrete signal interface unit, a universal testing unit in communicating connection with the discrete signal interface unit and used for receiving and analyzing the signal from the discrete signal interface unit. The testing system is simple in structure, easily modified on the basis and can adapt to testing work of a novel navigation device.
Description
Technical field
The utility model relates to avionics test equipment field, especially a kind of can be to the system of testing of navigational aid.
Background technology
Navigational aid is the important component part of aircraft, and the flight safety of aircraft is had to critical impact.In view of the degree of taking place frequently of avionics system fault, and the consideration of maintenance cost, according to an international practice, development test machine fault statistics, and equipment is in the importance of aircraft system, avionics system finished parts needs to detect by Aerial Electronic Equipment proving installation packing into before aircraft.Therefore research and develop Aerial Electronic Equipment test macro and be very important, need to design such Aerial Electronic Equipment test desk.
The test desk of external navigational aid (such as NAV-4000 series of Collins company) is mainly based on PXI/VXI modular testing, but this kind of test desk development cost is high, and due to structure and program complexity, be difficult to it to transform to adapt to current technology of constantly bringing forth new ideas, even in test process, also have the shortcomings such as test underaction.
Utility model content
Based on above consideration, if propose a kind of system that can test to navigational aid standard, reliably, will be very favorable.
According to one side of the present utility model, a kind of test macro of navigational aid has been proposed, comprising: navigation radio-frequency signal source, is configured to and described navigational aid communication connection, for providing navigation signal to described navigational aid; Discrete signal interface unit, is configured to and described navigational aid communication connection, for forwarding or process its received signal; Control unit, is configured to and described discrete signal interface unit communication connection, for receiving the signal from described discrete signal interface unit, and control signal is sent to described navigational aid by described discrete signal interface unit; Universal test unit, is configured to and described discrete signal interface unit communication connection, for receiving and analyze the signal from described discrete signal interface unit.
According to an embodiment of the present utility model, described test macro also comprises by the supplementary discrete signal interface unit of discrete signal interface unit and the communication connection of described navigational aid.
According to an embodiment of the present utility model, described supplementary discrete signal interface unit is configured to supplement discrete signal to described navigational aid input, and draws output signal corresponding to described supplementary discrete signal measured for described universal test unit.
According to an embodiment of the present utility model, described navigational aid is NAV-4000 type navigating instrument.
According to an embodiment of the present utility model, described control unit is for controlling telltale, and it is by described supplementary discrete signal interface unit and the communication connection of described discrete signal interface unit.
According to an embodiment of the present utility model, described test macro also comprises the adaptor union with metal coating shell, and described adaptor union has the pin interface of inserting for described navigational aid.
The utility model is by selecting suitable equipment simulating and the function of NAV-4000 cross-linking apparatus, provide normal work required various pumping signals to NAV-4000, under real mode of operation, by corresponding control command and incoming signal are set, use corresponding instrument test NAV-4000 various performance parameters, complete NAV-4000 test.
The utility model passes through the imitation to navigational aid (such as NAV-4000) working environment aboard, thereby can carry out full test to it.The universal standard test equipment configuring in the design is all the equipment extensively adopting in the world, and this test desk development cost is relatively low, simple in structure, easily change on this basis the test job that just can adapt to novel model navigational aid, realize higher commonality.
Various aspects of the present utility model are by the explanation of the specific embodiment by hereinafter and more clear.
Brief description of the drawings
By reading the following detailed description to non-limiting example with reference to accompanying drawing, it is more obvious that other features, objects and advantages of the present utility model will become.
Fig. 1 is the system architecture schematic diagram according to the test desk of the utility model embodiment.
In the drawings, run through different diagrams, same or similar Reference numeral represents same or analogous device (module) or step.
Detailed description of the invention
In the specific descriptions of following preferred embodiment, with reference to the appended accompanying drawing that forms the utility model part.Appended accompanying drawing shows by way of example can realize specific embodiment of the present utility model.The embodiment of example is not intended to limit according to all embodiment of the present utility model.Be appreciated that not departing under the prerequisite of scope of the present utility model, can utilize other embodiment, also can carry out the amendment of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present utility model is limited by appended claim.
Fig. 1 is the system architecture schematic diagram of the test desk of the utility model embodiment.
Test macro 10 comprises navigation radio-frequency signal source 11, discrete signal interface unit 12, supplements discrete signal interface unit 13, general detecting unit 14, control display unit 15 and power supply 17.Wherein, navigation radio-frequency signal source 11 and navigational aid 16 (such as NAV-4000) communication connection, and provide navigation radiofrequency signal to navigational aid 16.Discrete signal interface unit 12 communicates to connect with navigational aid 16, for receiving or send a signal to navigational aid 16.General detecting unit 14 communicates to connect with discrete signal interface unit 12, for receiving the signal from discrete signal interface unit 12, and correspondingly analyzes.Control display unit 15 and communicate to connect with discrete signal interface unit 12, for receiving the signal from discrete signal interface unit 12, and the user's operation receiving can be converted to control signal, be sent to navigational aid 16 by discrete signal interface unit 12.
Optionally, control display unit 15 and can be connected directly to discrete signal interface unit 12, to carry out the exchange of data.Control display unit 15 and also can be connected to discrete signal interface unit 12 by supplementing discrete signal interface unit 13, thereby form communication connection with discrete signal interface unit 12.
General, general detecting unit 14 comprises the check implement that this area is conventional, for example includes but not limited to digital multimeter, oscp, audio analyzer etc.
Power supply 17 comprises the direct supply of 28V and the AC single phase power supply of 115V, powers for navigational aid 16 by discrete interface unit 12, thus the power supply environment on simulated aircraft.
Along with the requirement to flight safety improves gradually, navigational aid is upgraded more and more faster, thereby corresponding change all can occur for the I/O signal kinds that navigational aid provides, number, function.Therefore, current discrete signal interface unit, such as T1201, cannot meet the test needs of ADF4000, therefore needs discrete signal interface unit to expand.In order to utilize the discrete signal interface unit of existing maturation to make the test desk of navigational aid 16 reach the requirement of normalisation, fiduciary level and confidence level, the test macro of the present embodiment also comprises supplementary discrete signal interface unit 13, for the treatment of there is no to process or process the signal that does not meet current requirement in discrete signal interface unit 12, and as required, arrange suitable adaptor union to be connected to general detection device 14 and control display unit 15.
The main assistance of discrete signal interface unit 12 arranges Actuator Test Modes for navigational aid to be measured, and the required input/output signal of navigational aid to be measured is organized, processed, and be forwarded to the suitable equipment connecing that is attached thereto, such as navigational aid 16, general test facility 14 and control display unit 15.
In the present embodiment, control display unit 15, for example T1200B controls telltale, sends ARINC429 and controls signal to navigational aid 16, and analyze the ARINC429 feedback signal of self-navigation brain 16.Select navigation radio-frequency signal source 11, for example SDX2000, for navigational aid 16 provides radio frequency navigation signal, discrete interface unit 12 navigation device 16 provide discrete control signal, and receive the output signal of navigational aid 16, such as audio frequency output and ARINC429 export.Then, the output signal of navigational aid 16 is forwarded to general test facility 14 by discrete interface unit 12, thereby test.
When work, its output signal is sent to discrete signal interface unit 12 by the navigational aid 16 communicating to connect with navigation radio-frequency signal source 11, the signal that discrete signal interface unit 12 can be organized it, process is sent to respectively general detecting unit 14 and controls display unit 15, and other cannot be processed or process the signal that does not meet current requirement, be sent to and supplement discrete signal interface unit 13 by adaptor union, to these signals are processed.It will be appreciated by persons skilled in the art that adaptor union between discrete signal interface unit 12 and supplementary discrete signal interface unit 13 or cable need to meet the signal transmission demand of the two.Supplement discrete signal interface unit 13 and be connected with discrete interface unit 12, the ATE interface that for example passes through T1201 is connected, and supplements discrete signal to navigational aid input to be measured, draws audio frequency, ARINC429 signal for universal tester measurement simultaneously.
It will be appreciated by persons skilled in the art that in some special applications, supplement between discrete signal interface unit 13 and navigational aid 16 and also can directly form communication connection, by wired or wireless mode, be connected directly to navigational aid 16.
In the present embodiment, the panel that supplements discrete signal interface unit 13 comprises switch 21, indicator lamp 22 and test point 23, and wherein, switch 21 can be the switch of coupling cock, select switch or other types.23 of test points can be the test connectors of test hole, detective pole or other types.Switch 21 is connected with the input pin that is connected the supplementary discrete signal interface unit 13 of I/O with test point 23.It will be appreciated by persons skilled in the art that some switch can also be connected with the indicator lamp that represents its on off state.In the present embodiment, direct supply 28VDC powers for navigational aid 16 by discrete signal interface unit 12.The interface of this panel by the back side is connected with discrete signal interface unit 12 (for example, T1201), supplements discrete signal to tested Aerial Electronic Equipment input, draws audio frequency, ARINC429 signal supplies general detecting unit 14 to measure simultaneously.
Preferably; above-mentioned adaptor union adopts metal coating shell; navigational aid 16 to be measured is inserted and is drawn corner connection mouth according to pre-designed path, can effectively avoid the damage of the tested Aerial Electronic Equipment causing because of plug or cause the damage that equipment under test falls because of operating personal misbehave.In addition, connector metal screened housing can be derived static well, has reduced the possibility that tester is injured by static.
Navigational aid proving installation of the present utility model has been realized the discrete signal interface unit 12 that utilizes existing maturation, and the additional discrete signal interface unit 13 that supplements forms navigational aid proving installation, has met the test request of particular navigation equipment.The navigational aid proving installation so forming, makes full use of existing ripe resource, simple in structure, has reduced and has manufactured and designed risk, thereby reached the high request of normalisation, fiduciary level and confidence level.
It will be understood by those skilled in the art that, the utility model can also be used for the test of other navigational aid, according to parameters such as the I/O signal kinds of navigational aid to be measured, number, functions, determine its input/output signal, if discrete signal interface unit cannot meet the demand of navigational aid to be measured, as long as select the corresponding discrete signal interface unit that supplements.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, in any case, all should regard embodiment as exemplary, and be nonrestrictive.In addition, significantly, " comprising ", other elements and step do not got rid of in a word, and wording " one " is not got rid of plural number.Multiple elements of stating in device claim also can be realized by an element.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (10)
1. a test macro for navigational aid, is characterized in that, comprising:
Navigation radio-frequency signal source, is configured to and described navigational aid communication connection, for providing navigation signal to described navigational aid;
Discrete signal interface unit, is configured to and described navigational aid communication connection, for forwarding or process its received signal;
Control unit, is configured to and described discrete signal interface unit communication connection, for receiving the signal from described discrete signal interface unit, and control signal is sent to described navigational aid by described discrete signal interface unit;
Universal test unit, is configured to and described discrete signal interface unit communication connection, for receiving and analyze the signal from described discrete signal interface unit.
2. test macro according to claim 1, is characterized in that, described test macro also comprises the supplementary discrete signal interface unit with described navigational aid communication connection.
3. test macro according to claim 2, is characterized in that, described supplementary discrete signal interface unit is configured to by discrete signal interface unit and the communication connection of described navigational aid.
4. test macro according to claim 2, is characterized in that, described supplementary discrete signal interface unit cannot process or process for receiving cannot mate completely to cause because of described discrete signal interface unit and described navigational aid the signal not meeting the demands.
5. test macro according to claim 2, it is characterized in that, described supplementary discrete signal interface unit is configured to supplement discrete signal to described navigational aid input, and draws output signal corresponding to described supplementary discrete signal measured for described universal test unit.
6. test macro according to claim 5, it is characterized in that, the described discrete interface signal unit that supplements also comprises supplementary interface panel, described supplementary interface panel is configured to be connected with described discrete interface unit, supplement discrete signal to described navigational aid input, draw audio frequency, ARINC429 signal for the measurement of described universal test unit simultaneously.
7. test macro according to claim 1, is characterized in that, described navigational aid is NAV-4000 type navigating instrument.
8. test macro according to claim 2, is characterized in that, described control unit is for controlling telltale, and it is by described supplementary discrete signal interface unit and the communication connection of described discrete signal interface unit.
9. test macro according to claim 1, is characterized in that, described test macro also comprises the adaptor union with metal coating shell, and described adaptor union has the pin interface of inserting for described navigational aid.
10. test macro according to claim 1, is characterized in that, described test macro also comprises power module, and it is constructed to be coupled to described discrete signal interface unit, for analogous navigation set power supply environment aboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014219.2U CN203714184U (en) | 2014-01-09 | 2014-01-09 | Testing system of navigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014219.2U CN203714184U (en) | 2014-01-09 | 2014-01-09 | Testing system of navigation device |
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| CN203714184U true CN203714184U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420014219.2U Expired - Lifetime CN203714184U (en) | 2014-01-09 | 2014-01-09 | Testing system of navigation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361032A (en) * | 2019-08-20 | 2019-10-22 | 中国民用航空总局第二研究所 | A kind of Auto-Test System and method of vehicle load measurement civil aviation navigation equipment |
| CN110683076A (en) * | 2019-11-04 | 2020-01-14 | 成都锐能科技有限公司 | Test board and test method of airborne radio frequency navigation system |
-
2014
- 2014-01-09 CN CN201420014219.2U patent/CN203714184U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361032A (en) * | 2019-08-20 | 2019-10-22 | 中国民用航空总局第二研究所 | A kind of Auto-Test System and method of vehicle load measurement civil aviation navigation equipment |
| CN110683076A (en) * | 2019-11-04 | 2020-01-14 | 成都锐能科技有限公司 | Test board and test method of airborne radio frequency navigation system |
| CN110683076B (en) * | 2019-11-04 | 2021-10-26 | 成都锐能科技有限公司 | Test board and test method of airborne radio frequency navigation system |
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Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |