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Sensor Output Test Platform

A test platform and sensor technology, applied in the testing/calibration of instruments, measuring devices, speed/acceleration/shock measuring equipment, etc., can solve the problems of large gap adjustment error, large speed fluctuation, large sound wheel jump, etc., to achieve sound The effect of small wheel runout, small speed fluctuation, and high clearance adjustment accuracy

Active Publication Date: 2019-12-20
CHINA AVIATION POWER MACHINE INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a sensor output test platform to solve the technical problems of the existing sensor output test platform, such as large rotational speed fluctuation, large noise, large gap adjustment error and large sound wheel beating

Method used

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Embodiment Construction

[0032] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0033] Such as Figure 1 to Figure 4 As shown, the preferred embodiment of the present invention provides a sensor output test platform for detecting the output performance of the rotational speed sensor 30, the rotational speed sensor 30 is connected with a display device for reflecting the change of its output voltage amplitude, and the sensor output test platform It includes: a base 10 and a speed regulation measurement system set on the working platform. The base 10 is provided with a sound wheel 20. The speed regulation measurement system is connected with the sound wheel 20 to drive the sound wheel 20 to rotate and realize closed-loop adjustment of the speed of the sound wheel 20. , the speed control measurement system is also used for real-ti...

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Abstract

The invention discloses a sensor output test platform, comprising a base and a speed regulation measuring system both arranged on a work platform; the base is provided with a phonic wheel; the speed regulation measuring system is in connection with the phonic wheel to drive the phonic wheel and to realize closed-loop regulation on the rotating speed of the phonic wheel; the speed regulation measuring system is also used for collecting and displaying the rotating speed of the phonic wheel in real time. The base is also slidingly provided with a displacement device which supports a rotating speed sensor which is arranged corresponding to the excitation gear of the phonic wheel; the displacement device is also provided with a gap adjusting device used for driving the displacement device to move so as to precisely adjust the gap between the sensing end of the rotating speed sensor and excitation gear; the gap adjusting device is also used for displaying the gap size between the sensing end of the rotating speed sensor and excitation gear. The sensor output test platform can detect the output performance of the rotating speed sensor to be used for determining qualification of the rotating speed sensor before delivery, and realize small rotating speed fluctuation, low noise, small phonic wheel bouncing, high gap adjusting precision and small errors.

Description

technical field [0001] The invention relates to the fields of machinery and electric control, and in particular, relates to a sensor output testing platform. Background technique [0002] During the operation of rotating machinery, it is often necessary to use the speed sensor to measure the speed signal for monitoring and control. The output performance of the speed sensor will affect the accuracy of the speed measurement. Therefore, the output performance of the speed sensor must be checked before delivery from the factory. Test to ensure that its output parameters are within the specified range. [0003] At present, most of the speed sensor output test platforms on the market use high-speed electric spindles and frequency converters to drive the speed measuring sound wheel, and the speed regulation method is open-loop adjustment; Measure and manually adjust; the tone wheel and the motor shaft are fixed with screws; the installation position of the speed sensor is often i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P21/00
CPCG01P21/00
Inventor 吴伟力周露莫崇芳于龙
Owner CHINA AVIATION POWER MACHINE INST
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