CN111089532A - Proximity sensor circumferential radial motion proximity test device and test method - Google Patents
Proximity sensor circumferential radial motion proximity test device and test method Download PDFInfo
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- CN111089532A CN111089532A CN202010133292.1A CN202010133292A CN111089532A CN 111089532 A CN111089532 A CN 111089532A CN 202010133292 A CN202010133292 A CN 202010133292A CN 111089532 A CN111089532 A CN 111089532A
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- proximity 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
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
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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
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A proximity sensor circular radial motion proximity test device and an experimental method belong to the field of sensor test devices and are characterized in that: comprises a base, a micro-motion platform, an electric control rotary table and a stepping motor; the micro-motion platform is arranged on the base through a displacement mechanism capable of performing linear displacement; a sensor bracket is vertically arranged on the micro-motion platform; the electric control rotating platform and the stepping motor are arranged on the base; the electric control rotating platform is electrically connected with the stepping motor; the upper end of the electric control rotating platform is provided with a rotating rocker arm; the rotary rocker arm is arranged parallel to the base. Through set up adjustable position's proximity sensor on the base and the motion between proximity sensor and the moving part in the target simulation aircraft that can rotate, the inductance value of target and sensor response face under different intervals and the area condition of covering when proximity sensor and target are tangent in radial is measured in real time, effectively provides the degree of accuracy of proximity sensor and target mounted position, provides work efficiency.
Description
Technical Field
The invention belongs to the field of sensor test devices, and particularly relates to a proximity sensor circular radial motion proximity test device and a test method.
Background
In the field of aviation, aircraft require the detection and determination of the position of certain important moving parts by means of proximity sensors or position switches. As shown in fig. 1, when the position is determined, the moving members are rotated around a certain axis in a circular radial motion manner, the proximity sensor or the position switch is brought into proximity with the target, and the position of the moving member is determined by calculating a signal of the target acquired by the proximity sensor or the position switch. Factors such as the distance between the proximity sensor and the target, the coverage angle, and the area all affect the position detection, and therefore all need to be considered in the design of the airplane. At present, most of installation designs of proximity sensors on airplanes adopt empirical values, so that the phenomenon of sensor misindication is easy to occur, the judgment of the positions of moving parts on airplanes is seriously influenced, and a device capable of accurately measuring factors such as gaps between the sensors and targets and covering areas and carrying out analog measurement calculation is needed.
Disclosure of Invention
The invention aims to solve the problems and provides a sensor circular radial motion approach test device and a test method, which can measure inductance values of a target and a proximity sensor under the conditions of different distances and covering areas when the proximity sensor and the target approach tangentially in the radial direction.
The invention discloses a proximity sensor circumferential and radial motion proximity test device, which comprises a base, a micro-motion platform, an electric control rotating platform and a stepping motor, wherein the micro-motion platform is arranged on the base; the micro-motion platform is arranged on the base through a displacement mechanism capable of performing linear displacement; a sensor bracket is vertically arranged on the micro-motion platform; a proximity sensor is arranged on the sensor bracket; the electric control rotating platform and the stepping motor are arranged on the base; the electric control rotating platform is electrically connected with the stepping motor; the central axes of the displacement mechanism and the electric control rotating platform are positioned on the same vertical plane; the upper end of the electric control rotating platform is provided with a rotating rocker arm; the rotary rocker arm is arranged in parallel to the base; a sliding block is sleeved on the rotary rocker arm; a target is arranged on the sliding block; the target is arranged opposite to the probe of the proximity sensor.
According to the proximity sensor circumferential and radial motion proximity test device, the displacement mechanism is a slide rail or a ball screw. The micro-motion platform arranged on the sliding rail or the ball screw is linearly displaced, so that the distance between the proximity sensor and the target is adjusted.
According to the proximity sensor circumferential and radial motion proximity test device, a micrometer caliper is arranged on the micro-motion platform.
According to the proximity sensor circular radial motion proximity test device, the target is square or circular.
The invention relates to a proximity sensor circumferential and radial motion proximity test device, wherein a boss is arranged at the top end of an electric control rotating platform; one end of the rotary rocker arm is provided with a mounting hole; the rotary rocker arm is sleeved on the boss through the mounting hole.
The invention discloses a test method of a proximity sensor circular radial motion proximity test device, which comprises the following steps: the displacement adjusting mechanism displaces the micro-motion platform to a set position; thereby determining the distance between the proximity sensor and the electric control rotating platform;
adjusting the micro-motion platform to enable a probe of a proximity sensor arranged on the micro-motion platform through a sensor bracket to be coaxial with the center of a circle formed by the rotation of the target;
the target is arranged on the sliding block, and the sliding block is adjusted to a set position along the rotary rocker arm; determining a distance between the target and the proximity sensor;
starting a stepping motor to control and drive an electric control rotating platform to rotate at a set speed, and driving a rotating rocker arm arranged on the electric control rotating platform to rotate so as to drive a target to rotate;
when the target rotates, the proximity sensor collects sensed signals in real time.
According to the proximity sensor circular radial motion proximity test device and the test method, the proximity sensor with adjustable position and the target capable of rotating at a certain speed at an angle are arranged on the base to simulate the motion between the proximity sensor and a moving part in the airplane, so that the inductance values of the sensing surfaces of the target and the sensor under the conditions of different intervals and covering areas when the proximity sensor and the target approach in a radial tangential manner are measured in real time, the sensor and the target at each monitoring position of the airplane are designed based on the test results, the accuracy of the mounting positions of the proximity sensor and the target is effectively improved, and the working efficiency is improved; the proximity sensor circular radial motion proximity test device is simple in structure, easy to operate and suitable for popularization and application.
Drawings
FIG. 1 is a schematic view of the principle of circumferential radial motion of a proximity sensor and a target according to the present invention;
FIG. 2 is a schematic structural view of a proximity sensor circular radial motion proximity test device according to the present invention;
the system comprises a base 1, a ball screw 2, a micro-motion platform 3, a sensor support 4, a proximity sensor 5, a target 6, a sliding block 7, a rotary rocker 8, an electric control rotary table 9, a stepping motor 10, a boss 11 and an adjusting knob 12.
Detailed Description
The following describes in detail the proximity sensor 5 circular radial motion proximity test device and the test method according to the present invention with reference to the accompanying drawings and embodiments.
The proximity sensor 5 circular radial motion proximity test device of the embodiment, as shown in fig. 2, includes a base 1, a micro-motion platform 3, an electrically controlled rotary table 9 and a stepping motor 10; the micro-motion platform 3 is arranged on the base 1 through a displacement mechanism capable of performing linear displacement; a sensor bracket 4 is vertically arranged on the micro-motion platform 3, and the sensor bracket 4 is arranged on an adjustable surface of the micro-motion platform 3; the sensor support 4 is provided with a proximity sensor 5, the proximity sensor 5 is externally connected with a data acquisition device, and the data acquisition device analyzes and processes data acquired by the proximity sensor 5. The proximity sensor 5 is disposed at the top end of the sensor holder 4 in the present embodiment; an electric control rotating platform 9 and a stepping motor 10 are arranged on the base 1, and an operator can set and control the rotating angle and the speed of the electric control rotating platform 9 through a computer, so that the required test operation is realized; the electric control rotating platform 9 is electrically connected with the stepping motor 10, and the electric control rotating platform 9 is driven to rotate after the stepping motor 10 is powered on; the central axes of the displacement mechanism and the electric control rotating platform 9 are positioned on the same vertical plane, so that the central point of the ground of the electric control rotating platform 9 is ensured to be positioned on the extension line of one end of the displacement mechanism close to the electric control rotating platform 9; the top end of the electric control rotating platform 9 is provided with a boss 11; one end of the rotary rocker arm 8 is provided with a mounting hole; the rotary rocker arm 8 is sleeved on the boss 11 through a mounting hole; the rotating rocker arm 8 is arranged in parallel to the base 1; a sliding block 7 is sleeved on the rotary rocker arm 8, and the sliding block 7 can slide on the rotary rocker arm 8 along the direction of the rocker arm; a target 6 is arranged on the sliding block 7, and the target 6 rotates along with the rotation of the rotary rocker arm 8; the target is arranged opposite to the probe of the proximity sensor 5; the micro-motion platform 3 is provided with a screw micrometer, and the micro-motion platform 3 can be adjusted in the x direction and the z direction.
In this embodiment, the displacement mechanism of the proximity sensor 5 circular radial motion proximity test device is a ball screw, the ball screw 2 is fixedly arranged on the base 1 through two ends of the ball screw, an adjusting knob 12 is arranged at one end far away from the rotary turntable, the ball screw is rotated by rotating the adjusting knob 12 to linearly displace the micro-motion platform 3 arranged on the ball screw, so that the distance between the proximity sensor 5 and the target 6 is adjusted, and the target in this embodiment is square; the electric control rotating platform 9 is an electric control rotating platform of KYCT160DXZ60H of Beijing Ke Ying Chuang science and technology development Limited; the micromotion platform 3 is a LY05SWT13M micromotion platform of Beijing Ke Ying Chu Zhi science and technology development Limited.
The method for testing by adopting the proximity sensor 5 circular radial motion proximity testing device comprises the following steps: the base 1 is a reference surface of the whole test device, the ball screw 2 is adjusted through the adjusting knob 12 to enable the micro-motion platform 3 to move to a set position, and the distance between the proximity sensor 5 and the electric control rotating platform 9 is determined;
the micro-motion platform 3 is adjusted through a spiral tester, so that the probe of a proximity sensor 5 arranged on the micro-motion platform 3 through a sensor bracket 4 is coaxial with the center of a circle formed by the rotation of a target 6; the centering degree and the initial facing area of the proximity sensor 5 and the target 6 meet the test requirements;
the target 6 is arranged on the sliding block 7, the sliding block 7 is adjusted to a set position along the rotary rocker arm 8, and the distance between the target 6 and the proximity sensor 5 is determined;
then, the stepping motor 10 is powered on, the stepping motor 10 is started to drive the electric control rotating platform 9 to rotate at a set speed, and the electric control rotating platform 9 drives the rotating rocker arm 8 arranged on the electric control rotating platform to rotate to drive the target 6 to rotate; when the target 6 rotates, the proximity sensor 5 collects sensed signals in real time, and a wiring end of the proximity sensor 5 is connected with the data acquisition device to acquire and record inductance measurement values. The inductance values of the target 6 and the sensor induction surface under the conditions of different intervals and covering areas are measured in real time when the proximity sensor 5 and the target 6 approach in a radial tangent mode, so that the design of each monitoring position sensor and the target 6 of the airplane is carried out based on the test result, and further the efficiency and the reliability are improved.
Claims (6)
1. The utility model provides a proximity sensor circumference radial motion approaches test device which characterized in that: comprises a base, a micro-motion platform, an electric control rotary table and a stepping motor; the micro-motion platform is arranged on the base through a displacement mechanism capable of performing linear displacement; a sensor bracket is vertically arranged on the micro-motion platform; a proximity sensor is arranged on the sensor bracket; the electric control rotating platform and the stepping motor are arranged on the base; the electric control rotating platform is electrically connected with the stepping motor; the central axes of the displacement mechanism and the electric control rotating platform are positioned on the same vertical plane; the upper end of the electric control rotating platform is provided with a rotating rocker arm; the rotary rocker arm is arranged in parallel to the base; a sliding block is sleeved on the rotary rocker arm; a target is arranged on the sliding block.
2. The proximity sensor circular radial motion proximity test device of claim 1, wherein: the displacement mechanism is a slide rail or a ball screw.
3. The proximity sensor circular radial motion proximity test device of claim 1 or 2, wherein: and a screw micrometer is arranged on the micro-motion platform.
4. The proximity sensor circular radial motion proximity test device of claim 3, wherein: the target is square or circular.
5. The proximity sensor circular radial motion proximity test device of claim 4, wherein: a boss is arranged at the top end of the electric control rotating platform; one end of the rotary rocker arm is provided with a mounting hole; the rotary rocker arm is sleeved on the boss through the mounting hole.
6. A method for testing the proximity sensor circular radial motion proximity test device of claim 1, comprising the steps of:
the displacement adjusting mechanism displaces the micro-motion platform to a set position;
adjusting the micro-motion platform to enable a probe of a proximity sensor arranged on the micro-motion platform through a sensor bracket to be coaxial with the center of a circle formed by the rotation of the target;
the target is arranged on the sliding block, and the sliding block is adjusted to a set position along the rotary rocker arm;
starting a stepping motor to control and drive an electric control rotating platform to rotate at a set speed, and driving a rotating rocker arm arranged on the electric control rotating platform to rotate so as to drive a target to rotate;
when the target rotates, the proximity sensor collects sensed signals to verify test results.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133292.1A CN111089532A (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumferential radial motion proximity test device and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010133292.1A CN111089532A (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumferential radial motion proximity test device and test method |
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| CN111089532A true CN111089532A (en) | 2020-05-01 |
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| CN202010133292.1A Pending CN111089532A (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumferential radial motion proximity test device and test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197681A (en) * | 2020-09-29 | 2021-01-08 | 石家庄市东华特种型材厂 | Detection device and system for auto parts |
| CN112684510A (en) * | 2020-12-04 | 2021-04-20 | 西安理工大学 | Logic test excitation device of magnetic induction type proximity sensor for aviation |
-
2020
- 2020-03-01 CN CN202010133292.1A patent/CN111089532A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197681A (en) * | 2020-09-29 | 2021-01-08 | 石家庄市东华特种型材厂 | Detection device and system for auto parts |
| CN112197681B (en) * | 2020-09-29 | 2022-07-05 | 石家庄市东华特种型材厂 | Detection device and system for auto parts |
| CN112684510A (en) * | 2020-12-04 | 2021-04-20 | 西安理工大学 | Logic test excitation device of magnetic induction type proximity sensor for aviation |
| CN112684510B (en) * | 2020-12-04 | 2024-03-29 | 西安理工大学 | Logic test excitation device of magnetic induction type proximity sensor for aviation |
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