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Abnormality diagnosis method and system for switch cabinet handcart, equipment and medium

An abnormal diagnosis, cabinet handcart technology, applied in the testing of mechanical parts, testing of machine/structural parts, measuring devices, etc., can solve the problem of poor contact alignment, affecting the safe operation of switchgear, insufficient contact insertion depth, etc. problems, to achieve the effect of improving operational security and operation and maintenance efficiency

Pending Publication Date: 2021-12-03
XUCHANG XJ SOFTWARE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the operation of the electric handcart, there may be mechanical failures such as guide rail jamming, poor centering of contacts, insufficient contact spring stress, insufficient contact insertion depth, and abnormal limit switches, which will affect the safe operation of the switchgear.

Method used

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  • Abnormality diagnosis method and system for switch cabinet handcart, equipment and medium
  • Abnormality diagnosis method and system for switch cabinet handcart, equipment and medium

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein can be arranged and designed in a variety of different configurations.

[0048] Please refer to Figure 1 to Figure 2 , the first embodiment of the present invention provides a method for abnormal diagnosis of switchgear handcart, including:

[0049] S1, to obtain the working current waveform of the drive motor when the switchgear handcart is in operation.

[0050] S2, extracting N key time scales of the operating current waveform of the driv...

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Abstract

The invention discloses an abnormality diagnosis method and system for a switch cabinet handcart, equipment and a medium. The method comprises the following steps: acquiring a working current waveform of a driving motor when the switch cabinet handcart is operated; extracting N key time marks of the working current waveform of the driving motor; and performing abnormity diagnosis on the mechanical characteristics of the switch cabinet handcart according to the time length and / or current size characteristics of each time section. The system comprises a current acquisition module used for acquiring a working current waveform of a driving motor when a switch cabinet handcart is operated; a time mark extraction module used for extracting N key time marks for recording the working current waveform of the driving motor in the whole operation process of the handcart; and a diagnosis module used for carrying out abnormity diagnosis on the mechanical characteristics of the switch cabinet handcart according to the time length and / or current size characteristics of each stage. The potential defects of the switch cabinet handcart can be found in time, a decision basis is provided for operation and maintenance of the switch cabinet, and the operation safety and the operation and maintenance efficiency of the switch cabinet are improved.

Description

technical field [0001] The invention relates to the field of electric power detection, in particular to a method and system for abnormal diagnosis of a switchgear handcart, as well as equipment and media. Background technique [0002] In order to improve the operating efficiency of the switchgear in the smart substation, the handcart of the switchgear is required to have the function of electric operation and support remote control operation. During the operation of the electric handcart, there may be mechanical failures such as guide rail jamming, poor centering of contacts, insufficient contact spring stress, insufficient contact insertion depth, and abnormal limit switches, which will affect the safe operation of the switchgear. With the rapid growth of the number of switchgear equipment in the power grid, the pressure on the operation and maintenance of switchgear handcarts is increasing. Contents of the invention [0003] In view of this, the purpose of the embodimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01M13/00
CPCG01R31/00G01M13/00
Inventor 孟乐张超永毋炳鑫李丽魏勇张义史宏光李鹤曹善军范海龙孙文龙张耀
Owner XUCHANG XJ SOFTWARE TECH
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