JP2022135582A - 電動工具 - Google Patents

電動工具 Download PDF

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Publication number
JP2022135582A
JP2022135582A JP2021035497A JP2021035497A JP2022135582A JP 2022135582 A JP2022135582 A JP 2022135582A JP 2021035497 A JP2021035497 A JP 2021035497A JP 2021035497 A JP2021035497 A JP 2021035497A JP 2022135582 A JP2022135582 A JP 2022135582A
Authority
JP
Japan
Prior art keywords
motor
rotation speed
torque limiter
target
section
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2021035497A
Other languages
English (en)
Japanese (ja)
Inventor
慈 加藤
Shigeru Kato
諭 蜷川
Satoshi Ninagawa
亮介 大谷
Ryosuke Otani
信人 中西
Nobuhito Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makita Corp
Original Assignee
Makita Corp
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 Makita Corp filed Critical Makita Corp
Priority to JP2021035497A priority Critical patent/JP2022135582A/ja
Priority to DE102022103601.4A priority patent/DE102022103601A1/de
Priority to CN202210141403.2A priority patent/CN115008423A/zh
Publication of JP2022135582A publication Critical patent/JP2022135582A/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • 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
    • B25F5/02—Construction of casings, bodies or handles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Portable Power Tools In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
JP2021035497A 2021-03-05 2021-03-05 電動工具 Pending JP2022135582A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021035497A JP2022135582A (ja) 2021-03-05 2021-03-05 電動工具
DE102022103601.4A DE102022103601A1 (de) 2021-03-05 2022-02-16 Technik zum steuern der versorgung eines motors eines elektrisch angetriebenen wekzeugs mit elektrischem strom
CN202210141403.2A CN115008423A (zh) 2021-03-05 2022-02-16 电动工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021035497A JP2022135582A (ja) 2021-03-05 2021-03-05 電動工具

Publications (1)

Publication Number Publication Date
JP2022135582A true JP2022135582A (ja) 2022-09-15

Family

ID=82898238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021035497A Pending JP2022135582A (ja) 2021-03-05 2021-03-05 電動工具

Country Status (3)

Country Link
JP (1) JP2022135582A (de)
CN (1) CN115008423A (de)
DE (1) DE102022103601A1 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6953252B2 (ja) 2017-09-19 2021-10-27 株式会社マキタ 回転工具

Also Published As

Publication number Publication date
DE102022103601A1 (de) 2022-09-08
CN115008423A (zh) 2022-09-06

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Effective date: 20231219

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