CN105865323A - Calibrator for angular displacement sensor - Google Patents
Calibrator for angular displacement sensor Download PDFInfo
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- CN105865323A CN105865323A CN201610178506.0A CN201610178506A CN105865323A CN 105865323 A CN105865323 A CN 105865323A CN 201610178506 A CN201610178506 A CN 201610178506A CN 105865323 A CN105865323 A CN 105865323A
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- switch
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- resistance
- displacement sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention belongs to the field of aircraft avionics testing, and specifically relates to a calibrator for an angular displacement sensor, wherein the calibrator is used for calibrating the angular displacement sensor. Currently, only mechanical zero calibration is carried out for the installation of a sensor during the assembly of a control augmentation stability system, wherein there is no capability of electrical zero calibration. Moreover, there is no verification capability before the installation of the sensor. The technical problem to be solved is to achieve the electrical zero calibration of the installation of a lateral rolling position sensor, a pitching position sensor, a pedaling position sensor and a total distance position sensor of the control augmentation stability system and to achieve the detection of the basic performances of the sensors, thereby guaranteeing the reliability of the sensor before assembly, and effectively improving the control precision of the control augmentation stability system.
Description
Technical field
The invention belongs to aircraft avionics field tests, be specifically related to a kind of angular displacement sensor aligner, use
Calibrate in diagonal displacement sensor.
Background technology
Roll position sensor in control augmentation stability system, pitch position sensors, pedal position sensor,
Always it is used for experiencing course cycle bar and the change in displacement of course pedal away from position sensor.Sensor is by duplex line
Property the composition such as potentiometer, housing unit, rocker arm assembly, fixed plate assembly and socket.The rocking arm of sensor with
Control augmentation stability system leverage connects, and the range of movement of rocking arm is 50 ° ± 2 °, and the postrotational displacement of rocking arm can turn
Turning to d. c. voltage signal output, scale factor is 0.3V/ ° (precision ± 0.5%).These DC voltages are believed
Number after control augmentation stability system bench board carries out differential process, output is given and is controlled to increase steady computer for directly
The function rising machine pitching, roll, course and total pitch controls.
When sensor is connected with helicopter control augmentation stability system leverage, mechanical zero calibration to be carried out,
It is also performed to electrical null position calibration.Mechanical zero is by the through hole on sensor rocking arm and sensor housing
Hole, connects with screw, and two hole correspondence the most then sensors are placed in mechanical zero.After mechanical zero calibration,
Pickup potentiometer output voltage values is if not 0V, in addition it is also necessary to adjusts the potentiometer on sensor, carries out
Electrical null position is calibrated.
At present, when control augmentation stability system general assembly, the installation of sensor has only been done mechanical zero calibration, has not been had
Electrical null position rated capacity.And do not possess checking feature before sensor installation.
Summary of the invention
The technical problem to be solved is to realize one both to pass control augmentation stability system roll position
Sensor, pitch position sensors, pedal position sensor, always installation electrical null position school away from position sensor
Standard, can detect the key property of sensor again, reliable before further ensuring the installation of sensor
Property, it is effectively improved the control accuracy of control augmentation stability system.
The angular displacement sensor aligner of the present invention, this aligner include the input interface J1 on panel jack,
J2, interface J1 are used for being connected with the corresponding terminal of one potentiometer outfan of angular displacement sensor, interface J2
Corresponding terminal for another potentiometer outfan with angular displacement sensor is connected；Described input interface J1,
J2 selects the prime of switch S3 to be connected in parallel in aligner with triple-pole double throw potentiometer, it is achieved diagonal displacement passes
Two potentiometers within sensor switch over selection；Triple-pole double throw potentiometer select switch S3 rear class first,
Second delivery outlet selects switch S2 to be connected with DPDT voltage/resistance, and the 3rd delivery outlet divides two-way, wherein
One tunnel is connected with the test lead TESTB on panel, and another road is ground connection after voltmeter M1；Voltage/resistance
Select first delivery outlet of switch S2 successively with bulb L1, electric fuse F1, on and off switch S1 and 15V power supply
Connecting, the second delivery outlet is connected with the test lead TESTA on panel, and the 3rd delivery outlet is connected with-15V power supply,
4th delivery outlet is connected with test lead TESTC；By voltage/resistance select switch S2 realize voltage tester and
The function switching of resistance test.
Further, this aligner is calibrated for the installation electrical null position of diagonal displacement sensor, will pass
Sensor is placed in mechanical zero, and on and off switch S1 connects, and voltage/resistance selects switch S2 to be placed in pull-up position,
The magnitude of voltage of voltmeter M1 indication sensor B point, if being unsatisfactory for requirement, by adjusting the electricity on sensor
Position meter knob is adjusted；
Further, described on and off switch S1 disconnects, and voltage/resistance selects switch S2 to be placed in drawn-down position,
By the resistance between detection TESTA and TESTC, it is thus achieved that total resistance that effectively works of angular displacement sensor,
Resistance between detection test lead TESTA and TESTB, when the rocking arm of rotational angle displacement sensor counterclockwise,
If resistance declines, represent that polarity is correct.
Further, Double-way dc voltage-stabilizing source is transferred to ± 15V, with+15V, the GDN ,-15V of exerciser
Feeder ear correspondence connects, and voltage/resistance selects switch S2 be placed in pull-up position afterwards, and switch on power switch
S1, stepping rotation sensor rocking arm, record and calculate the linearity of output.
The invention has the beneficial effects as follows: when control augmentation stability system general assembly, it is achieved to roll position sensor,
Pitch position sensors, pedal position sensor, always away from position sensor electrical null position calibration.Energy simultaneously
Enough key propertys to sensor detect, and effectively reduce airborne fault rate, improve system maintainability.
This design aligners is simple and direct intuitively, and application is reliable, practical.
Accompanying drawing explanation
Fig. 1 is angular displacement sensor aligner panel of the present invention；
Fig. 2 is angular displacement sensor calibration circuit principle of the present invention；
M1 D.C. voltmeter；J1, J2 exerciser is connected socket with sensor transit cable；S1 on and off switch；
S2 voltage/resistance selects switch；S3 potentiometer selects switch；TESTA, TESTB, TESTC resistance test end；
+ 15V, GND ,-15V power supply side；F1 electric fuse；L1 power supply indicator
Detailed description of the invention
Embodiment
A kind of angular displacement sensor aligner of invention, it is possible to total resistance that effectively works, the duplex electricity to sensor
The linearity of position meter, the polar behavior detection of sensor, it is achieved electrical null position is calibrated.Circuit refers to accompanying drawing 2.
Exerciser J1, J2 socket respectively with sensor the electric interfaces one_to_one corresponding of plug J01, J02.
A1, B1, C1 of J1 socket respectively with potentiometer select switch S3 (triple-pole double throw) 1-1,3-1,
2-1 end connects；A2, B2, C2 of J1 socket selects switch S3 (triple-pole double throw) with potentiometer respectively
1-2,3-2,2-2 end connects, and selects switch S3 (triple-pole double throw) to realize potentiometer 1 by potentiometer
Selection with potentiometer 2 switches.
Potentiometer selects 1,2 ends of switch S3 (triple-pole double throw) to select switch S2 (double-pole with voltage/resistance
Double-throw) 1,2 ends connect.
Potentiometer selects 3 ends of switch S3 (triple-pole double throw) to be connected with needle dc voltmeter M1, voltmeter
The other end of M1 is connected with GND end.The output voltage values of sensor can be detected, it is achieved right by voltmeter M1
The test of the duplex potentiometric linearity and electrical null position are calibrated.
Voltage/resistance selects 1-2,2-2 end and test lead TESTA, TESTC of switch S2 (DPDT)
Connecting, potentiometer selects 3 ends of switch S3 (triple-pole double throw) to be connected with test lead TESTB.By test
End TESTA, TESTB, TESTC can realize the total resistance of work effective to sensor, the Check up polarity of sensor.
Voltage/resistance select switch S2 (DPDT) 1-1 end through power supply indicator L1, electric fuse F1 (2A),
Single-pole single-throw switch (SPST) S1 and+15V feeder ear is connected；Voltage/resistance selects the 2-1 of switch S2 (DPDT)
End is connected with-15V feeder ear.
Concrete detecting step is as follows
(1) effectively work total resistance
Connect corresponding with J1, J2 of exerciser to J01, J02 of sensor with transit cable.
Voltage/resistance select switch S2 (DPDT) be placed in 1-2,2-2 position, downside, corresponding panel
On " resistance " position；Potentiometer select switch S3 (triple-pole double throw) be placed in upside 1-1,2-1,3-1
Position, " potentiometer 1 " position on corresponding panel.
It is not less than the ohmmeter of 0.5 grade, connecting test end TESTA and TESTC by circuit tester or precision, surveys
Total resistance between quantity sensor contact pins A 1 and C1 should be 5K Ω ± 10%.
Potentiometer select switch S3 (triple-pole double throw) be placed in 1-2,2-2,3-2 position, upside, corresponding surface
" potentiometer 2 " position on plate, measure the total resistance between sensor contact pins A 2 and C2 should be 5K Ω ±
10%.
(2) polarity test of sensor
Connect corresponding with J1, J2 of exerciser to J01, J02 of sensor with transit cable.
Voltage/resistance select switch S2 (DPDT) be placed in 1-2,2-2 position, downside, corresponding panel
On " resistance " position；Potentiometer select switch S3 (triple-pole double throw) be placed in upside 1-1,2-1,3-1
Position, " potentiometer 1 " position on corresponding panel.
The ohmmeter of 0.5 grade it is not less than by circuit tester or precision, connecting test end TESTA and TESTB, inverse
Hour hands rotating arm (in terms of potentiometer axle head), observes the electricity between contact pins A 1 and B1 in sensor two socket
Resistance should decline, and represents that polarity is correct.
Potentiometer select switch S3 (triple-pole double throw) be placed in 1-2,2-2,3-2 position, upside, corresponding surface
" potentiometer 2 " position on plate, in measurement sensor two socket, the resistance between contact pins A 2 and B2 should decline,
Represent that polarity is correct.
(3) the potentiometric linear properties of duplex
With special fixture, sensor is clipped on turntable, makes sensor potentiometers axle coaxial with turntable dividing spindle.
Connect corresponding with J1, J2 of exerciser to J01, J02 of sensor with transit cable.
Double-way dc voltage-stabilizing source is transferred to ± 15V, corresponding with the+15V of exerciser, GDN ,-15V feeder ear
Connect.
Voltage/resistance select switch S2 (DPDT) be placed in 1-1,2-1 position, upside, corresponding panel
On " voltage " position；Potentiometer select switch S3 (triple-pole double throw) be placed in upside 1-1,2-1,3-1
Position, " potentiometer 1 " position on corresponding panel.
Switch on power switch S1, and display lamp L1 is bright.
Rotation sensor rocking arm is in the position (being negative counterclockwise) of-50 °, observed and recorded voltmeter M1 now
The B1 end output voltage values of display, the most often rotates 10 ° and measures and record output voltage values, until rocking arm turns
To 50 °, the linearity calculating its output all should be ± 0.5%.
Turn off the power switch S1, display lamp L1 to extinguish.
Potentiometer select switch S3 (triple-pole double throw) be placed in 1-2,2-2,3-2 position, upside, corresponding surface
" potentiometer 2 " position on plate.
Switch on power switch S1, and display lamp L1 is bright.
Rotation sensor rocking arm is in the position (being negative counterclockwise) of-50 °, observed and recorded voltmeter M1 now
The B2 end output voltage values of display, the most often rotates 10 ° and measures and record output voltage values, until rocking arm turns
To 50 °, the linearity calculating its output all should be ± 0.5%.
(4) electrical null position calibration
On and off switch S1 is turned off position；Switch S2 (DPDT) is selected to be placed in voltage/resistance
1-1,2-1 position, side, " voltage " position on corresponding panel.
With transit cable, one end is by corresponding with exerciser J1, J2 for cable plug on machine (connecting at sensor)
Connecting, the other end connects corresponding with J01, J02 of sensor to J1, J2 of exerciser.
Sensor is placed in mechanical zero.
Joining machine power source.On and off switch S1 is turned off position.
Observing voltmeter M1 instructed voltage value and should be 0V ± 0.5%, if be unsatisfactory for, then adjusting on sensor
Potentiometer knob so that it is meet requirement.
Disconnecting power switch S1, disconnects machine power source, disconnects cable.Recover to connect on sensor machine.
Claims (4)
1. an angular displacement sensor aligner, it is characterized in that: this aligner includes input interface J1, J2 on panel jack, interface J1 is for being connected with the corresponding terminal of one potentiometer outfan of angular displacement sensor, and interface J2 is connected for the corresponding terminal of another potentiometer outfan with angular displacement sensor；Described input interface J1, J2 select the prime of switch S3 to be connected in parallel in aligner with triple-pole double throw potentiometer, it is achieved two potentiometers (1,2) of diagonal displacement sensor internal switch over selection；Triple-pole double throw potentiometer selects first, second delivery outlet of switch S3 rear class to select switch S2 to be connected with DPDT voltage/resistance, and the 3rd delivery outlet divides two-way, and wherein a road is connected with the test lead TESTB on panel, and another road is ground connection after voltmeter M1；Voltage/resistance selects first delivery outlet of switch S2 to be connected with bulb L1, electric fuse F1, on and off switch S1 and 15V power supply successively, second delivery outlet is connected with the test lead TESTA on panel, 3rd delivery outlet is connected with-15V power supply, and the 4th delivery outlet is connected with test lead TESTC；The function selecting switch S2 to realize voltage tester and resistance test by voltage/resistance switches.
Angular displacement sensor aligner the most according to claim 1, it is characterized in that: this aligner is calibrated for the installation electrical null position of diagonal displacement sensor, sensor is placed in mechanical zero, on and off switch S1 connects, voltage/resistance selects switch S2 to be placed in pull-up position, the magnitude of voltage of voltmeter M1 indication sensor B point, if being unsatisfactory for requirement, is adjusted by adjusting the potentiometer knob on sensor.
Angular displacement sensor aligner the most according to claim 1, it is characterized in that: described on and off switch S1 disconnects, voltage/resistance selects switch S2 to be placed in drawn-down position, by the resistance between detection TESTA and TESTC, obtaining total resistance that effectively works of angular displacement sensor, the resistance between detection test lead TESTA and TESTB, when the rocking arm of rotational angle displacement sensor counterclockwise, if resistance declines, represent that polarity is correct.
Angular displacement sensor aligner the most according to claim 1, it is characterized in that: Double-way dc voltage-stabilizing source is transferred to ± 15V, with+the 15V of exerciser, the corresponding connection of GDN ,-15V feeder ear, voltage/resistance select switch S2 be placed in pull-up position afterwards, switch on power switch S1, stepping rotation sensor rocking arm, records and calculates the linearity of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178506.0A CN105865323B (en) | 2016-03-25 | 2016-03-25 | A kind of angular displacement sensor calibrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178506.0A CN105865323B (en) | 2016-03-25 | 2016-03-25 | A kind of angular displacement sensor calibrator |
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| CN105865323A true CN105865323A (en) | 2016-08-17 |
| CN105865323B CN105865323B (en) | 2018-10-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063302A (en) * | 2017-03-30 | 2017-08-18 | 陕西飞机工业（集团）有限公司 | A kind of rate gyroscope maintenance unit |
| CN108216159A (en) * | 2017-12-20 | 2018-06-29 | 西安航空制动科技有限公司 | A kind of aircraft brake control system |
| CN109292075A (en) * | 2018-09-12 | 2019-02-01 | 北京航空航天大学东营研究院 | A kind of unmanned plane during flying verification LOC polarization parameter calibration equipment and method of calibration |
| CN112213576A (en) * | 2020-09-11 | 2021-01-12 | 北京空间飞行器总体设计部 | Polarity test method for electric heater for spacecraft |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063302A (en) * | 2017-03-30 | 2017-08-18 | 陕西飞机工业（集团）有限公司 | A kind of rate gyroscope maintenance unit |
| CN107063302B (en) * | 2017-03-30 | 2020-09-22 | 陕西飞机工业（集团）有限公司 | Rate gyroscope maintenance device |
| CN108216159A (en) * | 2017-12-20 | 2018-06-29 | 西安航空制动科技有限公司 | A kind of aircraft brake control system |
| CN108216159B (en) * | 2017-12-20 | 2020-09-22 | 西安航空制动科技有限公司 | Aircraft brake control system |
| CN109292075A (en) * | 2018-09-12 | 2019-02-01 | 北京航空航天大学东营研究院 | A kind of unmanned plane during flying verification LOC polarization parameter calibration equipment and method of calibration |
| CN112213576A (en) * | 2020-09-11 | 2021-01-12 | 北京空间飞行器总体设计部 | Polarity test method for electric heater for spacecraft |
| CN112213576B (en) * | 2020-09-11 | 2024-03-26 | 北京空间飞行器总体设计部 | Polarity testing method of electric heater for spacecraft |
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| CN105865323B (en) | 2018-10-12 |
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Effective date of registration: 20191206 Address after: 150066 Heilongjiang city of Harbin province Harbin Pingfang District Youxie Street No. 15 Patentee after: Harbin Hafei Aviation Industry Co. Ltd. Address before: 150066 Heilongjiang Province, Harbin city Youxie Street Pingfang District No. 15 Patentee before: Harbin Aircraft Industrial (Group) Co., Ltd. |
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