Title:
状態監視装置およびこれを搭載した輸送車両
Document Type and Number:
Japanese Patent JP7117907
Kind Code:
B2
Abstract:
This condition monitoring device has at least: a sensor 201 that is attached to electric wiring 22 connecting a power conversion device 101 and a rotating electric machine 102 and measures at least either the current or the voltage in the electric wiring 22; a signal processing unit 301 for obtaining a signal output from the sensor 201 via a signal cable 202 and converting the signal to a predetermined format; a communication unit 401 for transmitting the output of the signal processing unit 301 to the outside of a transportation vehicle 1; and a shielding housing 302 for covering the sensor 201.
Inventors:
Akifumi Takahashi
Takuma Yamaguchi
Kazuo Tokuyama
Takuma Yamaguchi
Kazuo Tokuyama
Application Number:
JP2018115071A
Publication Date:
August 15, 2022
Filing Date:
June 18, 2018
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B60L3/00; B61C17/00
Domestic Patent References:
| JP2014110671A | ||||
| JP2005049311A | ||||
| JP2009022143A | ||||
| JP2017188225A | ||||
| JP2002325313A | ||||
| JP2005145269A |
Foreign References:
| WO2011048683A1 | ||||
| WO2010143236A1 |
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office