WO2013081191A3 - Electric tool - Google Patents

Electric tool Download PDF

Info

Publication number
WO2013081191A3
WO2013081191A3 PCT/JP2012/081726 JP2012081726W WO2013081191A3 WO 2013081191 A3 WO2013081191 A3 WO 2013081191A3 JP 2012081726 W JP2012081726 W JP 2012081726W WO 2013081191 A3 WO2013081191 A3 WO 2013081191A3
Authority
WO
WIPO (PCT)
Prior art keywords
coils
motor
electric tool
control
drive circuit
Prior art date
Application number
PCT/JP2012/081726
Other languages
French (fr)
Other versions
WO2013081191A2 (en
Inventor
Tetsuya Monzen
Takeshi Takeda
Yuji Kishima
Original Assignee
Hitachi Koki Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co., Ltd. filed Critical Hitachi Koki Co., Ltd.
Publication of WO2013081191A2 publication Critical patent/WO2013081191A2/en
Publication of WO2013081191A3 publication Critical patent/WO2013081191A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • H02P25/188—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays wherein the motor windings are switched from series to parallel or vice versa to control speed or torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H02K7/145—Hand-held machine tool
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor

Abstract

An electric tool including: a motor including a plurality of coils; an end tool configured to be driven by the motor; a drive circuit configured to supply a drive current to the plurality of coils; a control part configured to control the drive circuit; and a switch configured to control activation and rotation of the motor, characterized in that: the control part is configured to repeat switching of connection relationships between the plurality of coils.
PCT/JP2012/081726 2011-11-30 2012-11-30 Electric tool WO2013081191A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-262681 2011-11-30
JP2011262681A JP2013111734A (en) 2011-11-30 2011-11-30 Electric tool

Publications (2)

Publication Number Publication Date
WO2013081191A2 WO2013081191A2 (en) 2013-06-06
WO2013081191A3 true WO2013081191A3 (en) 2013-11-07

Family

ID=47505281

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/081726 WO2013081191A2 (en) 2011-11-30 2012-11-30 Electric tool

Country Status (2)

Country Link
JP (1) JP2013111734A (en)
WO (1) WO2013081191A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103647497B (en) * 2013-12-25 2016-09-28 苏州大学 A kind of magneto controls loop and magneto
JP6274415B2 (en) * 2014-02-27 2018-02-07 日立工機株式会社 Electric tool
JP6179743B2 (en) * 2014-05-30 2017-08-16 日立工機株式会社 Electric tool
JP6446932B2 (en) * 2014-09-16 2019-01-09 スズキ株式会社 Rotating electric machine
WO2016194535A1 (en) * 2015-05-29 2016-12-08 日立工機株式会社 Electric tool
CN107591923B (en) * 2016-07-07 2020-03-20 张世兴 Variable power motor
JP6851735B2 (en) * 2016-07-08 2021-03-31 株式会社マキタ Electric tool
CN108340323A (en) * 2017-01-24 2018-07-31 南京德朔实业有限公司 Electric tool
JP6612010B1 (en) 2018-04-09 2019-11-27 三菱電機株式会社 Rotating electric machine and electric power steering apparatus having rotating electric machine
KR102634150B1 (en) * 2023-05-30 2024-02-07 비테스코 테크놀로지스 게엠베하 Inverter system for vehicle and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10126993A (en) * 1996-10-21 1998-05-15 Yaskawa Electric Corp Switching device of winding for motor in machine tool
DE102009041878A1 (en) * 2009-09-07 2011-03-10 C. & E. Fein Gmbh Controllable DC motor with modified characteristic curve
WO2011087126A1 (en) * 2010-01-18 2011-07-21 ヤマハ発動機株式会社 Saddled vehicle
WO2012086852A1 (en) * 2010-12-23 2012-06-28 Hitachi Koki Co., Ltd. Electric power tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5959062A (en) * 1982-09-29 1984-04-04 Takahashi Yoshiteru Semiconductor motor capable of obtaining various characteristics with one motor
JP5333881B2 (en) * 2007-04-27 2013-11-06 日立工機株式会社 Electric tool
JP2009202310A (en) * 2008-02-29 2009-09-10 Hitachi Koki Co Ltd Power tool
JP5478987B2 (en) * 2009-08-21 2014-04-23 株式会社マキタ Electric tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10126993A (en) * 1996-10-21 1998-05-15 Yaskawa Electric Corp Switching device of winding for motor in machine tool
DE102009041878A1 (en) * 2009-09-07 2011-03-10 C. & E. Fein Gmbh Controllable DC motor with modified characteristic curve
US20120223663A1 (en) * 2009-09-07 2012-09-06 Lothar Dietl Controllable direct current motor having a modified characteristic
WO2011087126A1 (en) * 2010-01-18 2011-07-21 ヤマハ発動機株式会社 Saddled vehicle
WO2012086852A1 (en) * 2010-12-23 2012-06-28 Hitachi Koki Co., Ltd. Electric power tool

Also Published As

Publication number Publication date
WO2013081191A2 (en) 2013-06-06
JP2013111734A (en) 2013-06-10

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