Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FAILURE DIAGNOSIS SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/070804
Kind Code:
A1
Abstract:
The failure diagnosis system according to one embodiment of the present invention is provided with a first electric power line, a second electric power line, a first main contact, a second main contact, a first electric component, a second electric component, and a control device. The first electric component has: a first terminal that is electrically connected to a second portion in the first electric power line; and a second terminal that is electrically connected to a third portion in the second electric power line, wherein the state of the electric component changes when a voltage is applied between the first terminal and the second terminal. The control device determines, on the basis of an output of a control command related to the first main contact and the state of the first electric component, whether or not there is any abnormality in the first main contact.

More Like This:
JP2001524368[Title of the Invention] Spray gun power supply unit monitoring device
JP2721056[Title of the Invention] An emergency stop device for an electric actuator
JP3433470LOAD DRIVING CIRCUIT
Inventors:
MORITO CHIKARA (JP)
SUZUKI HIROMITSU (JP)
Application Number:
PCT/JP2018/036889
Publication Date:
April 09, 2020
Filing Date:
October 02, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOSHIBA MITSUBISHI ELEC IND (JP)
International Classes:
H02H7/00; H02J1/00
Foreign References:
JPH03273811A1991-12-05
JP2016192327A2016-11-10
JP2008226620A2008-09-25
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: ON-VEHICLE DEVICE, VEHICLE, DISCONNECTION DETECTION METHOD, AND PROGRAM

Next Patent: WATER FLOW FACILITY