Title:
BOOST CONTROL CIRCUIT AND POWER TOOL
Document Type and Number:
Japanese Patent JP2014023212
Kind Code:
A
Abstract:
To provide a power tool capable of suppressing a delay in feedback control of boost adjustment by a booster circuit.
The present invention includes: a booster circuit 30 that boosts a voltage supplied from a battery pack 12 as a power supply and inputs the voltage into a motor 13 as a load; a power prediction section 21b that determines whether or not electric power required by the motor 13 increases; and a control section 21a that increases a boost voltage supplied to the motor 13 when the power prediction section 21b determines that the electric power required by the motor 13 is on the increase.
Inventors:
UMIKURA HIROYUKI
OHASHI TOSHIHARU
ARIMURA SUNAO
OHASHI TOSHIHARU
ARIMURA SUNAO
Application Number:
JP2012157687A
Publication Date:
February 03, 2014
Filing Date:
July 13, 2012
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
H02M3/155; B25F5/00; H02P7/285
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda