CN211824240U - Proximity sensor circumference radial motion proximity test device - Google Patents
Proximity sensor circumference radial motion proximity test device Download PDFInfo
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- CN211824240U CN211824240U CN202020231038.0U CN202020231038U CN211824240U CN 211824240 U CN211824240 U CN 211824240U CN 202020231038 U CN202020231038 U CN 202020231038U CN 211824240 U CN211824240 U CN 211824240U
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Abstract
The utility model provides a proximity sensor circumference radial motion is close test device, belongs to sensor test device field, its 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 utility model belongs to sensor test device field especially relates to a proximity sensor circumference radial motion is close test device.
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 utility model aims at solving the above problem, provide a can real-time measurement proximity sensor and target when radial tangent is close target and proximity sensor are at different intervals and cover the sensor circumference radial motion of the inductance magnitude under the area condition and be close test device.
The utility model discloses a proximity sensor circular radial motion proximity test device, which comprises a base, a micro-motion platform, an electric control rotating platform 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; the target is arranged opposite to the probe of the proximity sensor.
Proximity sensor circumference radial motion is close test device, displacement mechanism is slide rail or ball. 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.
Proximity sensor circular radial motion is close test device, be provided with the micrometer caliper on the fine motion platform.
Proximity sensor circumference radial motion is close test device, the target is square or circular.
The utility model discloses a proximity sensor circular radial motion proximity test device, the top of the electric control rotating platform is provided with a boss; 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 test method of the proximity sensor circular radial motion proximity test device 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.
The proximity sensor circular radial motion proximity test device simulates the motion between the proximity sensor and the moving part in the airplane through the proximity sensor with adjustable position arranged on the base and the target which can rotate at a certain speed by an angle, thereby measuring the inductance value of the sensing surface of the target and the sensor at different intervals and under the condition of covering area when the proximity sensor and the target approach tangentially in the radial direction, designing each monitoring position sensor and the target of the airplane based on the test result, effectively providing the accuracy of the mounting positions of the proximity sensor and the target and providing the working efficiency; just proximity sensor circumference radial motion is close test device's simple structure, easily operation is suitable for popularization and application.
Drawings
Fig. 1 is a schematic view of the principle of circumferential radial motion of the proximity sensor and the target according to the present invention;
fig. 2 is a schematic structural view of the proximity sensor circular radial motion proximity test device of 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 of the present invention is a ball screw, the ball screw 2 is fixedly disposed on the base 1 through two ends thereof, an adjusting knob 12 is disposed at one end away from the rotary turntable, the ball screw is rotated by rotating the adjusting knob 12 to linearly displace the micro-motion platform 3 disposed thereon, so as to adjust the distance between the proximity sensor 5 and the target 6, and the target in this embodiment is a 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.
Adopt the approach sensor 5 circular radial motion approaches test device and tests the method, including following step: 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 (5)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020231038.0U CN211824240U (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumference radial motion proximity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020231038.0U CN211824240U (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumference radial motion proximity test device |
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| Publication Number | Publication Date |
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| CN211824240U true CN211824240U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020231038.0U Active CN211824240U (en) | 2020-03-01 | 2020-03-01 | Proximity sensor circumference radial motion proximity test device |
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| CN (1) | CN211824240U (en) |
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- 2020-03-01 CN CN202020231038.0U patent/CN211824240U/en active Active
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Denomination of utility model: An approach test device for circumferential radial motion of proximity sensor Effective date of registration: 20220721 Granted publication date: 20201030 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Run Xin Aviation Technology Co.,Ltd. Registration number: Y2022610000425 |