Motor parameter detector

A technology of motor parameters and detectors, applied in the direction of motor generator testing, etc., can solve the problems of high price and complex system construction, achieve high degree of automation, overcome small reserves, and improve system stability.

Inactive Publication Date: 2012-08-01
ZHEJIANG SCI-TECH UNIV
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  • Application Information

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Problems solved by technology

The computer motor test system has the advantages of fast measurement speed, high precision, strong real-time performance, small data result error, high degree of system automation, and strong stability. However, there are disadvantages such as complex system construction and high price.

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] The motor parameter detector includes a hardware platform composed of a central processing unit MCU module, a measurement module, a display module and a communication module. Specific as figure 1 As shown, the system uses C8051F340 single-chip microcomputer as the central processing unit to form the main control circuit, wherein the central processing unit MCU is connected with the DSP chip for electric energy measurement through the SPI bus, and is connected with the torque sensor, speed sensor, winding temperature rise sensor, liquid crystal screen, keyboard and related interface circuits, and communicate with PC host computer software through 485 network, and further analyze and manage the uploaded data on the computer to realize human-computer interaction; among them, the DSP chip for electric energy measurement is connected with the voltag...

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Abstract

The invention discloses a motor parameter detector to solve the technical problem of real-time detection of motor parameters. The detector comprises a hardware platform composed of a central processing unit (CPU) micro control unit (MCU) module, a measurement module, a display module, a communication module and the like. A C8051F340 single chip microcomputer serving as the CPU forms a main control circuit, wherein the single chip microcomputer is connected with a digital signal processor (DSP) chip for power energy metering through a software process improvement (SPI) bus, is connected with a torque sensor, a rotation speed sensor, a winding temperature rising sensor, a liquid crystal display (LCD) screen, a keyboard and a relevant interface circuit, and communicates with principal computer (PC) software through a 485 network, so that further analysis and management of uploaded data are achieved on computers, and a human-computer interaction is achieved; and the DSP chip for power energy metering is connected with a voltage transformer and a current transformer so as to detect three-phase voltage and current signals. The motor parameter detector has the advantages of being capable of collecting electrical parameters for alternating current induction motors and synchronous motors, high in automation degree, and simple to operate, and guaranteeing the accuracy of measurement results and the stability of the system operation on the basis of increasing the instrument operation speed.

Description

technical field [0001] The invention relates to a motor parameter detector. Background technique [0002] In the early days, domestic manufacturers used conventional electrical instruments to measure motors, and their working methods were manual operation, manual reading, manual recording, and manual data processing. Its disadvantage is that some parameters such as speed and torque cannot be directly measured, and the error is large, the work efficiency is low, the measurement data is scattered, the measurement result is low in accuracy, and the real-time performance is not high. [0003] With the development of computer technology and the emergence of large-scale integrated circuits and microprocessors, the motor testing technology has entered the stage of microcomputer testing. A series of instruments such as a thermometer are used to detect the motor parameters. The computer motor test system has the advantages of fast measurement speed, high precision, strong real-time...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34
Inventor 潘海鹏顾敏明姚俊
Owner ZHEJIANG SCI-TECH UNIV
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