CN203455164U - Yaw damper testboard - Google Patents
Yaw damper testboard Download PDFInfo
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- CN203455164U CN203455164U CN201320583197.7U CN201320583197U CN203455164U CN 203455164 U CN203455164 U CN 203455164U CN 201320583197 U CN201320583197 U CN 201320583197U CN 203455164 U CN203455164 U CN 203455164U
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- yawdamper
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- 238000004088 simulation Methods 0.000 claims abstract description 31
- 238000013461 design Methods 0.000 abstract description 7
- 230000004936 stimulating effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a yaw damper testboard, mainly composed of a yaw damper test adapter connected to a piece to be tested, a power supply connected to the yaw damper test adapter, an Arinc-429 sending / receiving device connected to the yaw damper test adapter and an industrial control computer connected to the Arinc-429 sending / receiving device. The yaw damper test adapter comprises a radio altimeter analog channel, a calculating air speed analog channel, a hydraulic system pressure simulation channel, a transformer sensor analog channel, a generator tachometer analog channel and an airplane load analog channel. With a reasonable design, the yaw damper testboard is designed for stimulating and testing working conditions of a yaw damper to overcome the disadvantages of prior arts, and has the capability of detecting whether various work signals of the yaw damper work normally; the yaw damper testboard has a simple structure and strong practicality.
Description
Technical field
The utility model relates to yawdamper field tests, specifically, is yawdamper test board.
background technology
Dutch roll motion is the horizontal side Short-period oscillation of aircraft, is not only to have gone off course a kind of while but also the horizontal course coupled motions of rolling.This motion is described by a specific value, equals the ratio of angular velocity in roll maximum amplitude and yaw rate maximum amplitude, is directly proportional to the ratio of Lateral-directional static stability; The ratio rotating with horizontal course is inversely proportional to, because swept-back wing aircraft Lateral static stability when the high-angle-of-attack flight is excessive, and the passenger plane driftage inertia increase of high aspect ratio (9～10.5) and medium sweepback in addition (25 °～35 °) wing.Can cause value very large, angular velocity in roll during at this moment Dutch roll motion is more much larger than yaw rate, and aircraft is fiercely waved, and makes driver be sick of, and is difficult to operating aircraft.Therefore qualities specification requires should not surpass a certain setting, in airplane design, when the matching relationship of Lateral-directional static stability can not the value of meeting requires, can not obtain satisfied Dutch roll characteristic time, should adopt yawdamper to strengthen the inhibition to Dutch roll motion in control system.
The effect of yawdamper is to keep aircraft to cause that because Dutch roll and air-flow jolt aircraft is in the stability of its vertical axis.Awing yaw damping system computer sends instruction to yaw rudder, makes the directional instability of its proportional damping aircraft, reduces the directional instability of aircraft to minimum, makes the flight of aircraft more steady.In industry, whether yawdamper is for a long time in good working order, just need a kind of equipment to carry out the detection of the normal operating conditions of yawdamper, and there is job insecurity, complex structure in the existing equipment detecting for simulation test yawdamper duty, poor practicability, cannot in display, intuitively show, the shortcomings such as observation data can not be provided.
Utility model content
The purpose of this utility model is to provide yawdamper test board, reasonable in design, a kind of test board for simulation test yawdamper duty that overcomes the shortcoming of current techniques and design, there is the ability whether various working signals of yawdamper work that detects, simple in structure, practical.
The utility model is achieved through the following technical solutions: main by the yawdamper test adapter being connected with measured piece, the power supply being connected with yawdamper test adapter, the Arinc-429 sending/receiving device being connected with yawdamper test adapter and the industrial computer being connected with Arinc-429 sending/receiving device form, described yawdamper test adapter comprises radio altimeter analog channel, calculate air-speed simulation channel, hydraulic system pressure analog channel, transformer sensor analog channel, generator speed meter analog channel, aircraft load simulation channel.
Its principle of work and acting as: power supply provides the needed working power of yawdamper test adapter and controls power supply, make the normal operation of yawdamper test adapter, in measured piece when work, is by aircraft radio height indicator simulating signal, calculate air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, aircraft load simulation signal is by the inner radio altimeter analog channel arranging of yawdamper test adapter, calculate air-speed simulation channel, hydraulic system pressure analog channel, transformer sensor analog channel, generator speed meter analog channel, aircraft load simulation channel is processed and is converted corresponding Arinc-429 code to, and by yawdamper test adapter interface, be transferred to Arinc-429 sending/receiving device and carry out Arinc-429 code data reduction and process, re-send in industrial computer.At this, acting as of yawdamper test adapter: join by same measured piece, yawdamper test and needed each power supply signal of working, aircraft altitude simulating signal are provided, calculate a plurality of controls such as air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, aircraft load simulation signal discrete/simulating signal, also receive simultaneously measured piece output each display, discrete magnitude signal, control electric signal, Arinc-429 signal etc.After processing and changing, by the corresponding interface, Arinc-429 signal is flowed to Arinc-429 sending/receiving device and industrial computer, a lot of detecting informations such as measured piece duty are shown on yawdamper test adapter by visual indication lamp, wherein the model of yawdamper test adapter is HT-S-800, for existing product structure, its principle of work does not repeat them here.
For better realizing the utility model, in use, for standardization more, standardization, simultaneously in order to facilitate the installation of complete machine, be provided with especially following structure: described yawdamper test adapter adopts 4U standard PC case.
During use, in order to can be good at the various signaling interface docking of same yawdamper, normally whether whether access and various analog quantity and discrete magnitude signal work with the various signals of checking measured piece output, and observe yawdamper test adapter and whether work, ad hoc following a kind of structure: be provided with pilot lamp and instrument connection on described 4U standard PC case.In use, set instrument connection on access yawdamper test adapter 4U standard PC case corresponding to yawdamper output terminal, by aircraft radio height indicator simulating signal, calculate air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, in aircraft load simulation signal leading yawdamper test adapter, set pilot lamp wherein, whether normally whether the various signals of observation measured piece output that can be real-time access and various analog quantity and discrete magnitude signal work, and observe yawdamper test adapter and whether work.
For better realizing the utility model, be provided with following structure: 17 cun of displays that also comprise that same industrial computer is connected and keyboard.The aircraft radio height indicator simulating signal, calculating air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, the aircraft load simulation signal that are transferred in industrial computer show by 17 cun of displays, in order to detection person or maintenance man, observe, and also can carry out data correction and change by keyboard where necessary.
For better realizing the utility model, be provided with following structure: also comprise the angle position transmitter that same yawdamper test adapter is connected.The deflection angle signal of yaw axis on the position transmitter simulated aircraft of angle, by yawdamper test adapter, send measured piece to, measured piece these information after internal circuit is processed, convert Arinc-429 code and the corresponding electric signal of controlling to, Arinc-429 code is flowed to corresponding control computing machine, control electric signal and flow to corresponding topworks.
For better realizing the utility model, be provided with following structure: also comprise the connected oscillograph of same yawdamper test adapter.By the corresponding test interface of yawdamper test adapter, the various test signal waveforms while testing measured piece work with oscillograph on relevant pin.
For better realizing the utility model, be provided with following structure: also comprise the connected digital multimeter of same yawdamper test adapter.By the corresponding test interface of yawdamper test board, the test signal while testing yawdamper work by digital multimeter on relevant pin, as voltage signal, current signal, frequency signal, resistance signal etc.
For better realizing the utility model, described measured piece is yawdamper.
The utlity model has following advantage and beneficial effect:
(1) the utility model is reasonable in design, a kind of test board for simulation test yawdamper duty that overcomes the shortcoming of current techniques and design, have and detect the ability whether various working signals of yawdamper work, simple in structure, practical.
(2) yawdamper test adapter described in the utility model can receive measured piece output each display, discrete magnitude signal, control electric signal, Arinc-429 signal etc., simultaneously measured piece duty etc. much detecting informations by visual indication lamp, on yawdamper test adapter, show.
(3) the various signals that the utility model can be exported yaw damping test adapter carry out showing intuitively by 17 cun of displays, observe, and also can carry out data correction and change by keyboard where necessary in order to detection person or maintenance man.
(4) various test signal waveforms when oscillograph described in the utility model can provide the work of test yawdamper intuitively with digital multimeter on relevant pin, test signals such as voltage signal, current signal, frequency signal, resistance signal in the time of can testing yawdamper work on relevant pin, for judgement yawdamper duty is good or the bad foundation that provides simultaneously.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
Yawdamper test board, as shown in Figure 1, main by the yawdamper test adapter being connected with measured piece, the power supply being connected with yawdamper test adapter, the Arinc-429 sending/receiving device being connected with yawdamper test adapter and the industrial computer being connected with Arinc-429 sending/receiving device form, described yawdamper test adapter comprises radio altimeter analog channel, calculate air-speed simulation channel, hydraulic system pressure analog channel, transformer sensor analog channel, generator speed meter analog channel, aircraft load simulation channel.
Its principle of work and acting as: power supply provides the needed working power of yawdamper test adapter and controls power supply, make the normal operation of yawdamper test adapter, in measured piece when work, is by aircraft radio height indicator simulating signal, calculate air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, aircraft load simulation signal is by the inner radio altimeter analog channel arranging of yawdamper test adapter, calculate air-speed simulation channel, hydraulic system pressure analog channel, transformer sensor analog channel, generator speed meter analog channel, aircraft load simulation channel is processed and is converted corresponding Arinc-429 code to, and by yawdamper test adapter interface, be transferred to Arinc-429 sending/receiving device and carry out Arinc-429 code data reduction and process, re-send in industrial computer.At this, acting as of yawdamper test adapter: join by same measured piece, yawdamper test and needed each power supply signal of working, aircraft altitude simulating signal are provided, calculate a plurality of controls such as air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, aircraft load simulation signal discrete/simulating signal, also receive simultaneously measured piece output each display, discrete magnitude signal, control electric signal, Arinc-429 signal etc.After processing and changing, by the corresponding interface, Arinc-429 signal is flowed to Arinc-429 sending/receiving device and industrial computer, a lot of detecting informations such as measured piece duty are shown on yawdamper test adapter by visual indication lamp, wherein the model of yawdamper test adapter is HT-S-800, for existing product structure, its principle of work does not repeat them here.
In use, for standardization more, standardization, simultaneously in order to facilitate the installation of complete machine, as shown in Figure 1, be provided with especially following structure: described yawdamper test adapter adopts 4U standard PC case.
During use, in order to can be good at the various signaling interface docking of same yawdamper, normally whether whether access and various analog quantity and discrete magnitude signal work with the various signals of checking measured piece output, and observe yawdamper test adapter and whether work, as shown in Figure 1, ad hoc following a kind of structure: be provided with pilot lamp and instrument connection on described 4U standard PC case.In use, set instrument connection on access yawdamper test adapter 4U standard PC case corresponding to yawdamper output terminal, by aircraft radio height indicator simulating signal, calculate air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, in aircraft load simulation signal leading yawdamper test adapter, set pilot lamp wherein, whether normally whether the various signals of observation measured piece output that can be real-time access and various analog quantity and discrete magnitude signal work, and observe yawdamper test adapter and whether work.
As shown in Figure 1, the utility model also comprises that same industrial computer is connected 17 cun of displays and keyboard.The aircraft radio height indicator simulating signal, calculating air-speed simulation signal, hydraulic system pressure simulating signal, linear variable difference transformer simulating signal, engine speed meter simulating signal, the aircraft load simulation signal that are transferred in industrial computer show by 17 cun of displays, in order to detection person or maintenance man, observe, and also can carry out data correction and change by keyboard where necessary.
As shown in Figure 1, the utility model also comprises the angle position transmitter that same yawdamper test adapter is connected.The deflection angle signal of yaw axis on the position transmitter simulated aircraft of angle, by yawdamper test adapter, send measured piece to, measured piece these information after internal circuit is processed, convert Arinc-429 code and the corresponding electric signal of controlling to, Arinc-429 code is flowed to corresponding control computing machine, control electric signal and flow to corresponding topworks.
As shown in Figure 1, the utility model also comprises the connected oscillograph of same yawdamper test adapter.By the corresponding test interface of yawdamper test adapter, the various test signal waveforms while testing measured piece work with oscillograph on relevant pin.
As shown in Figure 1, the utility model also comprises the connected digital multimeter of same yawdamper test adapter.By the corresponding test interface of yawdamper test board, the test signal while testing yawdamper work by digital multimeter on relevant pin, as voltage signal, current signal, frequency signal, resistance signal etc.
As shown in Figure 1, described measured piece is yawdamper.
The utility model is reasonable in design, and a kind of test board for simulation test yawdamper duty designing for current yawdamper has and detects the ability whether various working signals of yawdamper work, simple in structure, practical.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection domain of the present utility model.
Claims (8)
1. yawdamper test board, it is characterized in that: main by the yawdamper test adapter being connected with measured piece, the power supply being connected with yawdamper test adapter, the Arinc-429 sending/receiving device being connected with yawdamper test adapter and the industrial computer being connected with Arinc-429 sending/receiving device form, described yawdamper test adapter comprises radio altimeter analog channel, calculate air-speed simulation channel, hydraulic system pressure analog channel, transformer sensor analog channel, generator speed meter analog channel, aircraft load simulation channel.
2. yawdamper test board according to claim 1, is characterized in that: described yawdamper test adapter adopts 4U standard PC case.
3. yawdamper test board according to claim 2, is characterized in that: on described 4U standard PC case, be provided with pilot lamp and instrument connection.
4. yawdamper test board according to claim 3, is characterized in that: 17 cun of displays that also comprise that same industrial computer is connected and keyboard.
5. yawdamper test board according to claim 4, is characterized in that: also comprise the angle position transmitter that same yawdamper test adapter is connected.
6. yawdamper test board according to claim 5, is characterized in that: also comprise the connected oscillograph of same yawdamper test adapter.
7. yawdamper test board according to claim 6, is characterized in that: also comprise the connected digital multimeter of same yawdamper test adapter.
8. according to the yawdamper test board described in claim 1-7 any one, it is characterized in that: described measured piece is yawdamper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583197.7U CN203455164U (en) | 2013-09-22 | 2013-09-22 | Yaw damper testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583197.7U CN203455164U (en) | 2013-09-22 | 2013-09-22 | Yaw damper testboard |
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| Publication Number | Publication Date |
|---|---|
| CN203455164U true CN203455164U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583197.7U Expired - Lifetime CN203455164U (en) | 2013-09-22 | 2013-09-22 | Yaw damper testboard |
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| CN (1) | CN203455164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547231A (en) * | 2020-05-13 | 2020-08-18 | 中国商用飞机有限责任公司 | Yaw damper on-off control method and control device |
-
2013
- 2013-09-22 CN CN201320583197.7U patent/CN203455164U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547231A (en) * | 2020-05-13 | 2020-08-18 | 中国商用飞机有限责任公司 | Yaw damper on-off control method and control device |
| CN111547231B (en) * | 2020-05-13 | 2021-09-07 | 中国商用飞机有限责任公司 | Yaw damper on-off control method and control device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |