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Testing device for twin trawling-loaded low-speed motor

A low-speed motor and testing device technology, applied in the direction of motor generator testing, etc., can solve problems such as unsatisfactory results of the motor test platform, and achieve the effects of convenient and fast follow-up data processing, convenient use, and small size

Active Publication Date: 2013-05-01
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects in the prior art, the present invention aims to solve the problem of unsatisfactory results of the traditional motor test platform in the low-speed state

Method used

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  • Testing device for twin trawling-loaded low-speed motor

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0030] like figure 1 As shown, the device for testing low-speed motors with dragging provided by the present invention includes a base 1, on which a torque sensor 3 and a dragged motor 2 as a load are provided, and the dragged motor 2 itself includes a rotary encoder or a grating structure, Used to measure motor speed. Connect one end of the towed motor 2 and the torque sensor 3 through the first coupling 5 , and connect the other end of the torque sensor 3 and the motor 4 through the second coup...

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Abstract

The invention provides a testing device for a twin trawling-loaded low-speed motor. The testing device comprises a base, wherein a torque sensor and a trawled motor as a load are arranged on the base; the trawled motor comprises a rotary encoder or a grating structure for determining the rotating speed of the motor. The trawled motor, the torque sensor and the tested motor are connected together by a coupling. A sensor for determining the change of current and voltage, a corresponding test circuit of the sensor, a slide rheostat which is connected with the trawled motor and is used for dynamically changing the load, a test circuit power supply and the like are also arranged on the base. The testing device can communicate with PC (Personal Computer) software through an RS232 communication interface. According to the testing device disclosed by the invention, accurate and stable measurement of various dynamic parameters of a low-speed motor including rotating speed and torque can be realized; and the testing device is small in size and wide in application range.

Description

technical field [0001] The invention relates to a motor testing device, in particular to a torque sensor-to-drag low-speed motor testing device. Background technique [0002] The motor test is an important part of the comprehensive evaluation of the motor assembly quality and technical performance. Due to the long operation time of traditional test devices and methods, many instruments need to be observed, and manual reading of test data and data analysis and calculation, the quality and accuracy of motor tests are affected to a certain extent. The ordinary motor test platform is only used to test the electrical parameters and main static parameters of the motor under test. It is not easy to adjust the load, and cannot be loaded with dynamic torque. It is large in size and has limited application range. [0003] The commonly used load mode in the widely used motor test technology and motor test platform is the eddy current loader or magnetic powder loader dynamometer. In t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34
Inventor 张波刘品宽奚静思李玉洁
Owner SHANGHAI JIAO TONG UNIV
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