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Motor abnormity detection method and motor abnormity detection device

A detection method and detection device technology, applied in the direction of motor generator testing, etc., can solve problems such as motor abnormalities, achieve the effects of improving efficiency, improving reliability and safety, and reducing factory defect rates

Pending Publication Date: 2017-01-04
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a method and device for detecting motor abnormality in view of the technical problem of how to improve the detection efficiency

Method used

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  • Motor abnormity detection method and motor abnormity detection device
  • Motor abnormity detection method and motor abnormity detection device
  • Motor abnormity detection method and motor abnormity detection device

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Embodiment Construction

[0013] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0014] see figure 1 , which is a schematic diagram of an application environment of a motor abnormality detection method in an embodiment, and the application environment includes a detection device 110 and a finished motor 120 . The finished motor 120 has a power line port 121 and a gro...

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Abstract

The invention discloses a motor abnormity detection method which comprises the following steps of: detecting performance of a finished product motor; when the performance detection is qualified, acquiring detection voltage at two ends of a power module diode of the finished product motor; judging whether the detection voltage is within a preset abnormity voltage drop range or not; if the detection voltage is within the preset abnormity voltage drop range, outputting a motor abnormity signal. A motor abnormity detection device comprises a first detection end, a second detection end, a switch module and an alarm module. By adopting the motor abnormity detection method and the motor abnormity detection device, the voltage between a power supply port and a grounding port of the finished product motor after the performance detection is detected and judged, and if the device detection voltage is within the preset abnormity voltage drop range, the motor abnormity signal is output to show that the finished product motor has faults, so that the efficiency in detecting whether the finished product motor has faults or not can be effectively improved, motors with abnormity can be prevented from being delivered to the market, the delivery reject ratio of the motors can be reduced, and the reliability and the security of the motor can be improved.

Description

technical field [0001] The invention relates to the technical field of DC brushless motors, in particular to a method and device for detecting motor abnormalities. Background technique [0002] At present, due to the characteristics of high efficiency, large starting torque and convenient control of brushless DC motors, its application fields are becoming wider and wider. The brushless DC motor is mainly composed of two parts: the motor body and the controller. The controller part includes control chip, power drive circuit, position detection circuit, signal feedback and other circuits; the main component of the power drive circuit is IPM (Intelligent Power Module, Intelligent Power Module). Once the IPM is abnormal, the whole motor will not work normally. Work. [0003] IPM is an integrated module with a complex internal structure, which is easily damaged by static electricity, and has high requirements for storage, processing, and use environments. Now after the IPM is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34
CPCG01R31/34
Inventor 张晓菲全威王颜章杨健
Owner GREE ELECTRIC APPLIANCES INC
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