Title:
FAILURE DIAGNOSIS DEVICE, AND VEHICULAR WHEEL BEARING INCLUDING FAILURE DIAGNOSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/141677
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, provided is a failure diagnosis device which is mounted on a wheel bearing to diagnose whether a failure or a malfunction has occurred in the wheel bearing. A failure diagnosis device according to an embodiment of the present invention may comprise: a detection unit for detecting the operation state of a wheel bearing; and a diagnosis unit which uses signal information detected in the detection unit to diagnose whether a failure or a malfunction has occurred in the wheel bearing. According to an embodiment of the present invention, the detection unit can include an acceleration sensor for collecting acceleration information about the wheel bearing, and the diagnosis unit can be configured to perform a frequency analysis on the acceleration signal information collected from the acceleration sensor and diagnose whether a malfunction has occurred in the wheel bearing. According to an embodiment of the present invention, the diagnosis of whether a failure or a malfunction has occurred in the wheel bearing can be configured to be performed on the basis of the acceleration signal information collected from the acceleration sensor, and velocity information calculated from the acceleration signal information.
Inventors:
LIM JONG KEUN (KR)
KIM KYEONG HYEON (KR)
KIM KYEONG HYEON (KR)
Application Number:
PCT/KR2019/009497
Publication Date:
July 09, 2020
Filing Date:
July 30, 2019
Export Citation:
Assignee:
ILJIN GLOBAL CO LTD (KR)
International Classes:
B60B27/00; G01M13/04
Foreign References:
| KR20150026416A | 2015-03-11 | |||
| JP2017227492A | 2017-12-28 | |||
| JPWO2006030786A | ||||
| JP2016038269A | 2016-03-22 | |||
| JP2007278895A | 2007-10-25 |
Attorney, Agent or Firm:
MOA INTELLECTUAL PROPERTY LAW FIRM (KR)
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