Title:
音センサを介したコンタクタ診断システムおよび方法
Document Type and Number:
Japanese Patent JP6828921
Kind Code:
B2
Abstract:
The present invention relates to a system and a method of diagnosing a contactor through a sound sensor, which determine whether a contactor is erroneously operated based on a result of sensing of a mechanical transition sound generated during an on/off operation of the contactor, thereby handling damage to the contactor due to the erroneous operation of the contactor, and which record the number of times of the transition sound, thereby managing a life of the contactor.
Inventors:
Yoon, Hobun
Application Number:
JP2019528466A
Publication Date:
February 10, 2021
Filing Date:
January 03, 2018
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
G01R31/00; G01H3/00; H02J7/00
Domestic Patent References:
| JP2010161009A | ||||
| JP2013257969A | ||||
| JP2014007137A | ||||
| JP6036661A | ||||
| JP2223121A |
Foreign References:
| US20130009648 | ||||
| US20150323603 |
Attorney, Agent or Firm:
Longhua International Patent Service Corporation