CN105865323B - A kind of angular displacement sensor calibrator - Google Patents
A kind of angular displacement sensor calibrator Download PDFInfo
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- CN105865323B CN105865323B CN201610178506.0A CN201610178506A CN105865323B CN 105865323 B CN105865323 B CN 105865323B CN 201610178506 A CN201610178506 A CN 201610178506A CN 105865323 B CN105865323 B CN 105865323B
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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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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention belongs to aircraft avionics testing fields, and in particular to a kind of angular displacement sensor calibrator is calibrated for diagonal displacement sensor.Currently, in control augmentation stability system general assembly, mechanical zero calibration has only been done in the installation of sensor, does not have electrical null position rated capacity.And do not have checking feature before sensor installation.The technical problem to be solved by the present invention is to realize it is a kind of both can to control augmentation stability system roll position sensor, pitch position sensors, pedal position sensor, always away from position sensor installation electrical null position calibration, the basic performance of sensor can be detected again, reliability before the installation of sensor is further ensured, the control accuracy of control augmentation stability system is effectively improved.
Description
Technical field
The invention belongs to aircraft avionics testing fields, and in particular to a kind of angular displacement sensor calibrator, for diagonal
Displacement sensor is calibrated.
Background technology
Roll position sensor, pitch position sensors, pedal position sensor in control augmentation stability system, always away from position
Sensor is used for experiencing the change in displacement of course period bar and course pedal.Sensor by duplex linear potentiometer, housing unit,
The compositions such as rocker arm assembly, fixed plate component and socket.The rocking arm of sensor is connect with control augmentation stability system leverage, the movement of rocking arm
Ranging from 50 ° ± 2 °, the postrotational displacement of rocking arm can be converted into d. c. voltage signal output, and scale factor is 0.3V/ ° of (precision
± 0.5%).After control augmentation stability system console carries out differential process, output increases steady these d. c. voltage signals to control
Computer be used for helicopter pitching, roll, course and total pitch function control.
When sensor is connect with helicopter control augmentation stability system leverage, mechanical zero calibration is not only carried out, it will also be into
Row electrical null position is calibrated.Mechanical zero is to connect in the hole on the through-hole and sensor housing on sensor rocking arm, two with screw
Then sensor is placed in mechanical zero to a hole correspondence together.After mechanical zero calibration, if pickup potentiometer output voltage values
It is not 0V, it is also necessary to adjust the potentiometer on sensor, carry out electrical null position calibration.
Currently, in control augmentation stability system general assembly, mechanical zero calibration has only been done in the installation of sensor, without electrical null position
Rated capacity.And do not have checking feature before sensor installation.
Invention content
The technical problem to be solved by the present invention is to realize it is a kind of both can to control augmentation stability system roll position sensor,
Pitch position sensors, pedal position sensor, always the installation electrical null position calibration away from position sensor, and can be to sensor
Basic performance be detected, further ensure reliability before the installation of sensor, effectively improve the control of control augmentation stability system
Precision processed.
The angular displacement sensor calibrator of the present invention, which includes input interface J1, J2 on panel jack, interface
For being connect with the corresponding terminal of one potentiometer output end of angular displacement sensor, interface J2 is used for and angular displacement sensor J1
The corresponding terminal of another potentiometer output end connects；Described input interface J1, J2 in calibrator with triple-pole double throw potentiometer
The prime of selecting switch S3 is connected in parallel, and realizes that two potentiometers of diagonal displacement sensor internal switch over selection；Three knives
First, second delivery outlet of double-throw potentiometer selecting switch S3 rear classes is connect with double-pole double throw voltage/resistance selecting switch S2, the
Three delivery outlets divide two-way, wherein being connect all the way with the test lead TESTB on panel, another way is grounded after voltmeter M1；Electricity
The first delivery outlet of pressure/resistance selection switch S2 is connect with light bulb L1, fuse F1, power switch S1 with 15V power supplys successively, the
Two delivery outlets are connect with the test lead TESTA on panel, and third delivery outlet is connect with -15V power supplys, the 4th delivery outlet and test lead
TESTC connections；The function switch of voltage tester and resistance value test is realized by voltage/resistance selecting switch S2.
Further, which is calibrated for the installation electrical null position of diagonal displacement sensor, and sensor is set
In mechanical zero, power switch S1 is connected, and voltage/resistance selecting switch S2 is placed in pull-up position, voltmeter M1 indication sensors B
The voltage value of point is adjusted if being unsatisfactory for requiring by adjusting the potentiometer knob on sensor；
Further, the power switch S1 is disconnected, and voltage/resistance selecting switch S2 is placed in drawn-down position, passes through detection
Resistance value between TESTA and TESTC, obtains the total resistance value of effectively work of angular displacement sensor, detection test lead TESTA and
Resistance value between TESTB, if resistance declines, indicates that polarity is correct when the rocking arm of rotational angle displacement sensor counterclockwise.
Further, Double-way dc voltage-stabilizing source is transferred to ± 15V ,+15V, GDN, -15V feeder ears pair with exerciser
It should connect, voltage/resistance selecting switch S2 is placed in pull-up position later, powers on switch S1, stepping rotation sensor shakes
Arm records and calculates the linearity of output.
The beneficial effects of the invention are as follows：In control augmentation stability system general assembly, realize to roll position sensor, pitch position
Sensor, pedal position sensor, always the electrical null position calibration away from position sensor.It simultaneously can be to the basic performance of sensor
It is detected, effectively reduces airborne failure rate, improve system maintainability.The design aligners are simple and direct intuitive, using reliable, reality
It is strong with property.
Description of the drawings
Fig. 1 is angular displacement sensor calibrator panel of the present invention；
Fig. 2 is angular displacement sensor calibration circuit principle of the present invention；
M1 D.C. voltmeters；J1, J2 exerciser connect socket with sensor transit cable；S1 power switches；S2 voltages/electricity
Hinder selecting switch；S3 potentiometer selecting switch；TESTA, TESTB, TESTC resistance test end；+ 15V, GND, -15V power supply power supplies
End；F1 fuses；L1 power supply indicators
Specific implementation mode
Embodiment
A kind of angular displacement sensor calibrator is invented, it can be potentiometric to the total resistance value of effectively work, the duplex of sensor
The linearity, the detection of the polar behavior of sensor, realize electrical null position calibration.Circuit refers to attached drawing 2.Exerciser J1, J2 socket point
It is not corresponded with the electric interfaces of plug J01, J02 of sensor.
A1, B1, C1 of J1 sockets are connect with the end 1-1,3-1,2-1 of potentiometer selecting switch S3 (triple-pole double throw) respectively；
A2, B2, C2 of J1 sockets are connect with the end 1-2,3-2,2-2 of potentiometer selecting switch S3 (triple-pole double throw) respectively, pass through current potential
It counts selecting switch S3 (triple-pole double throw) and realizes that the selection to potentiometer 1 and potentiometer 2 switches.
1,2 ends of potentiometer selecting switch S3 (triple-pole double throw) and 1, the 2 of voltage/resistance selecting switch S2 (double-pole double throw)
End connection.
3 ends of potentiometer selecting switch S3 (triple-pole double throw) are connect with needle dc voltmeter M1, the other end of voltmeter M1
It is connect with the ends GND.It can detect the output voltage values of sensor by voltmeter M1, realize and the potentiometric linearity of duplex is tested
It is calibrated with electrical null position.
The end 1-2,2-2 of voltage/resistance selecting switch S2 (double-pole double throw) is connect with test lead TESTA, TESTC, current potential
3 ends of meter selecting switch S3 (triple-pole double throw) are connect with test lead TESTB.It can be real by test lead TESTA, TESTB, TESTC
Now effectively work sensor total resistance value, sensor Check up polarity.The 1-1 of voltage/resistance selecting switch S2 (double-pole double throw)
End is connect by power supply indicator L1, fuse F1 (2A), single-pole single-throw switch (SPST) S1 with+15V feeder ears；Voltage/resistance selects
The ends 2-1 of switch S2 (double-pole double throw) are connect with -15V feeder ears.
Specific detecting step is as follows
(1) effectively work total resistance value
J1, J2 of J01, J02 of sensor and exerciser are correspondingly connected with transit cable.
Voltage/resistance selecting switch S2 (double-pole double throw) is placed in the downside position 1-2,2-2, " resistance " in corresponding panel
Position；Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-1,2-1,3-1, " potentiometer in corresponding panel
1 " position.
It is not less than 0.5 grade of ohmmeter, connecting test end TESTA and TESTC with multimeter or precision, measurement sensor is inserted
Total resistance value between needle A1 and C1 should be 5K Ω ± 10%.
Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-2,2-2,3-2, " current potential in corresponding panel
2 " positions are counted, total resistance value between measurement sensor contact pins A 2 and C2 should be 5K Ω ± 10%.
(2) polarity test of sensor
J1, J2 of J01, J02 of sensor and exerciser are correspondingly connected with transit cable.
Voltage/resistance selecting switch S2 (double-pole double throw) is placed in the downside position 1-2,2-2, " resistance " in corresponding panel
Position；Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-1,2-1,3-1, " potentiometer in corresponding panel
1 " position.
It is not less than 0.5 grade of ohmmeter, connecting test end TESTA and TESTB with multimeter or precision, rotation counterclockwise is shaken
Arm (in terms of potentiometer shaft end), observing the resistance in two socket of sensor between contact pins A 1 and B1 should decline, and indicate that polarity is correct.
Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-2,2-2,3-2, " current potential in corresponding panel
2 " positions are counted, the resistance in two socket of measurement sensor between contact pins A 2 and B2 should decline, and indicate that polarity is correct.
(3) the potentiometric linear properties of duplex
Sensor is clipped on turntable with special fixture, keeps sensor potentiometers axis and turntable dividing spindle coaxial.
J1, J2 of J01, J02 of sensor and exerciser are correspondingly connected with transit cable.
Double-way dc voltage-stabilizing source is transferred to ± 15V, is correspondingly connected with+the 15V, GDN, -15V feeder ears of exerciser.
Voltage/resistance selecting switch S2 (double-pole double throw) is placed in the upside position 1-1,2-1, " voltage " in corresponding panel
Position；Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-1,2-1,3-1, " potentiometer in corresponding panel
1 " position.
Power on switch S1, indicator light L1 is bright.
Rotation sensor rocking arm is in -50 ° of position (being counterclockwise negative), observes and records what voltmeter M1 at this time was shown
Then the ends B1 output voltage values often rotate 10 ° and measure and record output voltage values, until rocking arm goes to 50 °, calculate its output
The linearity should be ± 0.5%.
S1 is turned off the power switch, indicator light L1 extinguishes.
Potentiometer selecting switch S3 (triple-pole double throw) is placed in the upside position 1-2,2-2,3-2, " current potential in corresponding panel
Count 2 " positions.
Power on switch S1, indicator light L1 is bright.
Rotation sensor rocking arm is in -50 ° of position (being counterclockwise negative), observes and records what voltmeter M1 at this time was shown
Then the ends B2 output voltage values often rotate 10 ° and measure and record output voltage values, until rocking arm goes to 50 °, calculate its output
The linearity should be ± 0.5%.
(4) electrical null position is calibrated
Power switch S1 is turned off position；Voltage/resistance selecting switch S2 (double-pole double throw) is placed in upside 1-1,2-1
Position, " voltage " position in corresponding panel.
With transit cable, cable plug on machine (at connection sensor) is correspondingly connected with by one end with exerciser J1, J2, another
J01, J02 of J1, J2 of exerciser and sensor are correspondingly connected with by end.
Sensor is placed in mechanical zero.
Power supply on connection machine.Power switch S1 is turned off position.
Observation voltmeter M1 instructed voltage values should be 0V ± 0.5%, if conditions are not met, then adjusting the potentiometer on sensor
Knob makes it meet the requirements.
Disconnecting power switch S1, power supply on disconnection machine, disconnects cable.Restore to connect on sensor machine.
Claims (4)
1. a kind of angular displacement sensor calibrator, it is characterised in that：The calibrator include input interface J1 on panel jack,
J2, interface J1 with the corresponding terminal of one potentiometer output end of angular displacement sensor for connecting, and interface J2 is used for and angular displacement
The corresponding terminal of another potentiometer output end of sensor connects；Described input interface J1, J2 are double with three knives in calibrator
The prime for throwing potentiometer selecting switch S3 is connected in parallel, and realizes that two potentiometers (1,2) of diagonal displacement sensor internal carry out
Switching selection；First, second delivery outlet of triple-pole double throw potentiometer selecting switch S3 rear classes is selected with double-pole double throw voltage/resistance
Switch S2 connections, third delivery outlet divide two-way, wherein being connect all the way with the test lead TESTB on panel, another way is through overvoltage
It is grounded after table M1；The first delivery outlet of voltage/resistance selecting switch S2 successively with light bulb L1, fuse F1, power switch S1 with
15V power supplys connect, and the second delivery outlet is connect with the test lead TESTA on panel, and third delivery outlet is connect with -15V power supplys, and the 4th
Delivery outlet is connect with test lead TESTC；Realize that voltage tester and the function of resistance value test are cut by voltage/resistance selecting switch S2
It changes.
2. angular displacement sensor calibrator according to claim 1, it is characterised in that：The calibrator is passed for diagonal displacement
The installation electrical null position of sensor is calibrated, and sensor is placed in mechanical zero, and power switch S1 is connected, voltage/resistance selection
Switch S2 is placed in pull-up position, the voltage value of voltmeter M1 indication sensors B points, if being unsatisfactory for requiring, by adjusting sensing
Potentiometer knob on device is adjusted.
3. angular displacement sensor calibrator according to claim 1, it is characterised in that：The power switch S1 is disconnected, electricity
Pressure/resistance selection switch S2 is placed in drawn-down position, by detecting the resistance value between TESTA and TESTC, obtains angular displacement sensor
The total resistance value of effectively work, the resistance value between detection test lead TESTA and TESTB, when rotational angle displacement sensor counterclockwise
Rocking arm indicates that polarity is correct if resistance declines.
4. angular displacement sensor calibrator according to claim 1, it is characterised in that：Double-way dc voltage-stabilizing source is transferred to
+ 15V, GDN, -15V feeder ears on ± 15V, with calibrator panel jack are correspondingly connected with, later by voltage/resistance selecting switch
S2 is placed in pull-up position, powers on switch S1, stepping rotation sensor rocking arm records and calculate 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN105865323A CN105865323A (en) | 2016-08-17 |
| CN105865323B true CN105865323B (en) | 2018-10-12 |
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| CN201610178506.0A Active CN105865323B (en) | 2016-03-25 | 2016-03-25 | A kind of angular displacement sensor calibrator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063302B (en) * | 2017-03-30 | 2020-09-22 | 陕西飞机工业（集团）有限公司 | Rate gyroscope maintenance device |
| CN108216159B (en) * | 2017-12-20 | 2020-09-22 | 西安航空制动科技有限公司 | Aircraft brake control system |
| CN109292075B (en) * | 2018-09-12 | 2021-01-15 | 北京航空航天大学东营研究院 | Unmanned aerial vehicle flight check LOC polarization parameter checking device and checking method |
| 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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|---|---|---|---|---|
| CN201600152U (en) * | 2010-01-06 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Tester for combination instrument of airplane motor |
| CN104834306A (en) * | 2015-04-29 | 2015-08-12 | 哈尔滨飞机工业集团有限责任公司 | Transporter air-conditioning system control circuit tester |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8179127B2 (en) * | 2007-11-06 | 2012-05-15 | GM Global Technology Operations LLC | Method and apparatus to monitor position of a rotatable shaft |
| JP5435020B2 (en) * | 2011-12-22 | 2014-03-05 | 株式会社デンソー | Position detection device |
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2016
- 2016-03-25 CN CN201610178506.0A patent/CN105865323B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201600152U (en) * | 2010-01-06 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Tester for combination instrument of airplane motor |
| CN104834306A (en) * | 2015-04-29 | 2015-08-12 | 哈尔滨飞机工业集团有限责任公司 | Transporter air-conditioning system control circuit tester |
Non-Patent Citations (1)
| Title |
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| 论电子调整在飞控系统RVDT精度控制的应用;薛瀛;《机械设计与研究》;20150820;第31卷(第4期);第102-105页 * |
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| CN105865323A (en) | 2016-08-17 |
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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. |