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Title:
DRIVE CIRCUIT, AND DRIVE CIRCUIT FOR INDOOR UNIT OF AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2012120309
Kind Code:
A
Abstract:

To prevent increase in size of a connector on a control board that is connected to a wiring, by reducing the size of the wiring connected to a drive source of an actuator.

A drive circuit which is provided to each of a plurality of flaps for driving flap motors M1-M4, is provided to an indoor equipment 1. It includes a driver element for operating the flap motors M1-M4, a changeover switch which contains a changeover contact, with one common contact connected to a corresponding driver element among the driver elements and a contact of the same number being connected to one flap motor, and a microcomputer 101 containing a changeover signal output part for outputting a changeover signal which switches the changeover contact of each changeover switch to a changeover contact of the same number to the changeover switch, and a drive signal output part for outputting the drive signal which drives the flap motors M1-M4 to the driver element.


Inventors:
SAKASHITA AKIHIKO
YOKOI MASAAKI
Application Number:
JP2010267023A
Publication Date:
June 21, 2012
Filing Date:
November 30, 2010
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
H02P8/40; F24F11/02; F24F11/39; F24F11/46; F24F11/54; F24F11/57; F24F11/58; F24F11/61; F24F11/62; F24F11/79; F24F11/88; F24F11/89; H02P5/00; F24F140/00
Domestic Patent References:
JPS6210536A1987-01-19
JP2001318497A2001-11-16
JP2010068580A2010-03-25
JP2006194474A2006-07-27
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Tanaka rice



 
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