CN209514405U - A kind of signal simulator of aircraft floor test - Google Patents
A kind of signal simulator of aircraft floor test Download PDFInfo
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- CN209514405U CN209514405U CN201920448526.4U CN201920448526U CN209514405U CN 209514405 U CN209514405 U CN 209514405U CN 201920448526 U CN201920448526 U CN 201920448526U CN 209514405 U CN209514405 U CN 209514405U
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Abstract
This application discloses a kind of signal simulators of aircraft floor test; include power module, regulating circuit module, gear adjustment module, overcurrent protection module and display control panel; voltage signal is supplied to regulating circuit module after power module charging; display control panel is equipped with the switch of controllable gear adjustment module output gear; voltage signal that power module is sent is adjusted to the voltage value of different stalls by regulating circuit module according to gear; pass through the voltage output port output on display control panel, output voltage real-time display on display control panel；Electricity, charging, work light are set on display control panel, judges that state provides for user of service and clearly prompts.
Description
Technical field
It is specifically a kind of in aircraft system ground test the present invention relates to aircraft test macro signal condition and control technology
The signal simulator of simulation combination receiving device output signal in the process.
Background technique
Aircraft heading and attitude system is newly to grind system, it can feel in real time as independent flight parameter standby system
The parameters such as pitch angle, roll angle and course angle by aircraft, and receive course deviation, downslide deviation that combination receiving device is sent
Etc. information and show, realize the backup navigation of aircraft, provide more sound assurance for flight safety.To verify vector posture
System and the correctness for being crosslinked interface, display function for combining receiving device, need to simulate in heading and attitude system ground experiment
Combine the coherent signal that receiving device is sent.
The ground checkout equipment of existing heading and attitude system is the package for having multinomial test function, to integrated navigation
The signal imitation function of receiving device is integrated in package, can not be used as independent functional module, and technical parameter
It is unsatisfactory for newly grinding the requirement of heading and attitude system, specific as follows:
1) integrated navigation receiving device signal imitation function is integrated in a whole set of test macro, and can not be detached from equipment independently makes
With.
Integrated navigation receiving device signal imitation function in existing equipment, a function mould being integrated in complete equipment
Block, the functions such as power supply, parameter setting require other software and hardware implementations in cooperation test equipment, are not to have standalone feature
Be separately separated the equipment used, therefore be only capable of using in laboratory, be unable to satisfy during aircraft field testing to combination
The demand of navigation receiving equipment signal imitation；
2) it adjusts ginseng process error easily occur, need to correct repeatedly.
Existing equipment during the test, needs to adjust integrated navigation receiving device analog signal in functional module to solid
Determine test point, test process successively adjusts ginseng to 9 test points, it is super easily to occur output in the process by testing crew using adjustment knob
Poor situation needs to adjust repeatedly, influences manufacturing schedule, can also have some impact on to test result.
3) parameter adjustment area is separated with parameter display area, is unfavorable for the efficient development of test job.
The parameter adjustment knob design of existing equipment is on test cabinet panel, and parameter is shown in the soft of industrial personal computer operation
On part interface.Industrial personal computer is placed on the workbench of test cabinet side, and testing crew needs repeatedly during adjusting parameter
Parameter is checked on to industrial personal computer software interface, influences test efficiency.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of design of portability, independent used kind of aircraft test is used
Signal simulator.
A kind of signal simulator of aircraft test includes power module, regulating circuit module, gear adjustment module, mistake
Protective module and display control panel are flowed, power module is carried out by the external AC power source of charging interface on display control panel
Voltage signal is supplied to regulating circuit module after charging by charging, and display control panel, which is equipped with third gear, can control gear to adjust
Module exports the switch of gear, and the voltage signal that power module is sent is adjusted to different stalls according to gear by regulating circuit module
Voltage value, exported by voltage output port on display control panel, output voltage is shown in real time on display control panel
Show；Overcurrent protection module ensures that the operating current of power module is no more than safe current range；Electricity is set on display control panel
Amount, charging, work light, judge that state provides for user of service and clearly prompt.
Signal simulator is designed to independence, mancarried device, and is designed using lithium battery power supply, can not only make in laboratory
With the occasion for being more convenient for not providing 220V/50Hz in aircraft etc. uses.Mould is adjusted by internal regulating circuit module and gear
Block can fast implement signal and accurately inject, accelerate test process, improve production efficiency by output signal by the fixed output of gear,
And it can avoid the error caused by adjusting voltage because artificial.
Signal simulator can be used as high-precision regulated power supply exclusive use, and output voltage can pass through regulating circuit module tune
Section, output voltage range (0~500) mV ± 10% have good scalability and compatibility.
Detailed description of the invention
Fig. 1 signal simulator schematic diagram
Fig. 2 display control panel figure
Explanation: 1 digital voltmeter, 2 insurances, 3 charging interfaces, 4 output voltage levels switch, 5 voltage outputs is numbered in figure
Port, 6 work lights, 7 device master switch, 8 charging indicator lights, 9 use pattern change-over switches, 10 battery capacity indication lamps.
Specific embodiment
As shown in Figs. 1-2, a kind of signal simulator of aircraft test includes power module, regulating circuit module, shelves
Position adjustment module, overcurrent protection module and display control panel, power module by the charging interface 3 on display control panel outside
It connects 220V/50Hz AC power source to charge, voltage signal is supplied to regulating circuit module after charging, on display control panel
It can control gear adjustment module output voltage level switch 4, the voltage that regulating circuit module sends power module equipped with third gear
Signal is adjusted to the voltage value of different stalls according to gear, is exported by the voltage output port 5 on display control panel, output
Voltage real-time display on the digital voltmeter 1 on display control panel；Overcurrent protection module ensures the work electricity of power module
Stream is no more than safe current range；Battery capacity indication lamp 10, charging indicator light 8, work light 6 are set on display control panel,
Judge that state provides for user of service clearly to prompt.
Two kinds of use patterns of signal simulator are described as follows below.
Mode 1: operating mode
1, use pattern change-over switch 9 is placed in " work ", signal output line is connected to voltage output port 5；
2, device master switch 7 is placed in "ON", at this time 6 bright greens of work light；
3, it by pulling output voltage level switch 4, can be needed to select tri- gears of 0mV, 75mV, 150mV according to test；
4, the meeting of digital voltmeter 1 real-time display current output voltage value, indication range 0mV~± 199.9mV, resolution ratio
0.01mV；
5, device master switch 7 after use, is placed in "Off".
Note: when electricity abundance, battery capacity indication lamp 10 does not work, at this time can normal use；When battery capacity is lower than setting lower limit
When, 10 shiny reds of battery capacity indication lamp, prompt should enter " charge mode " for device charging；It should be inspected periodically in use process pair
It answers the insurance 2 of overcurrent protection module whether normal, should be replaced in time if any damage.
Mode 2: charge mode
1, before charging, device master switch 7 is placed in "Off"；
2, charging cable is connected on " AC220V/50Hz " power supply by charging interface 3, charging indicator light 8 is lighted at this time
(green), prompt can charge；
3, use pattern change-over switch 9 is placed in " charging " position, battery starts to charge.In charging process, charging instruction
Lamp 8 is displayed in red；After electricity is full of, charging indicator light 8 shows green；
4, after charging complete, charging plug is pulled up, and use pattern change-over switch 9 is placed in " work " position.
This patent can newly grind heading and attitude system for certain type and provide the analog signal that test needs, and complete the crosslinking of system items
Functional test, and can be extended to flight control system etc. the test of other airborne systems uses, it ensure that the quality of installation product, and
It effectively increases working efficiency, reduce production cost.
Claims (1)
1. a kind of signal simulator of aircraft floor test, it is characterised in that include power module, regulating circuit module, gear
Adjustment module, overcurrent protection module and display control panel, power module are external by the charging interface on display control panel
AC power source charges, and voltage signal is supplied to regulating circuit module after charging, display control panel is equipped with third gear can
The switch of gear adjustment module output gear is controlled, the voltage signal that regulating circuit module sends power module is according to gear tune
Section is the voltage value of different stalls, is exported by the voltage output port on display control panel, output voltage is in display control
Real-time display on panel；Overcurrent protection module ensures that the operating current of power module is no more than safe current range；Display control
Electricity, charging, work light are set on panel, judges that state provides for user of service and clearly prompts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448526.4U CN209514405U (en) | 2019-04-03 | 2019-04-03 | A kind of signal simulator of aircraft floor test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448526.4U CN209514405U (en) | 2019-04-03 | 2019-04-03 | A kind of signal simulator of aircraft floor test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514405U true CN209514405U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920448526.4U Active CN209514405U (en) | 2019-04-03 | 2019-04-03 | A kind of signal simulator of aircraft floor test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115356143A (en) * | 2022-10-21 | 2022-11-18 | 四川华丰科技股份有限公司 | Signal simulator and simulation method |
-
2019
- 2019-04-03 CN CN201920448526.4U patent/CN209514405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115356143A (en) * | 2022-10-21 | 2022-11-18 | 四川华丰科技股份有限公司 | Signal simulator and simulation method |
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