Title:
ELECTRIC MOTOR DRIVE DEVICE AND AIR CONDITIONER OUTDOOR UNIT
Document Type and Number:
WIPO Patent Application WO/2020/049716
Kind Code:
A1
Abstract:
An electric motor drive device (42) according to the present invention comprises: a main circuit board (31) on which is mounted a power source circuit for generating drive power, which drives a compressor motor (41), on the basis of AC power supplied by an AC power source (11); a plurality of connection switch relays (46, 47, 48) for switching the connections of the compressor motor (41); a minor circuit board (32) on which the connection switch relays (46, 47, 48) are mounted; a relay drive circuit (23) for switching the connection switch relays (46, 47, 48); lead wires (24, 25) that connect the compressor motor (41) and minor circuit board (32) with the power source circuit; and lead wires (26, 27) that connect the minor circuit board (32) and the compressor motor (41).
Inventors:
MIYAMORI SHUN (JP)
URA SHINICHIRO (JP)
URA SHINICHIRO (JP)
Application Number:
PCT/JP2018/033203
Publication Date:
March 12, 2020
Filing Date:
September 07, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P25/18; H02P27/06
Foreign References:
| JP2008228513A | 2008-09-25 | |||
| JPS6437364U | 1989-03-07 | |||
| JP2011147253A | 2011-07-28 | |||
| JP2012096761A | 2012-05-24 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
Download PDF:
Previous Patent: ELECTRIC MOTOR
Next Patent: SIGNAL PROCESSING CIRCUIT, RADAR DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM
Next Patent: SIGNAL PROCESSING CIRCUIT, RADAR DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM