EP4073915A4 - Power tools and methods of producing a notification to a user - Google Patents

Power tools and methods of producing a notification to a user Download PDF

Info

Publication number
EP4073915A4
EP4073915A4 EP21848128.1A EP21848128A EP4073915A4 EP 4073915 A4 EP4073915 A4 EP 4073915A4 EP 21848128 A EP21848128 A EP 21848128A EP 4073915 A4 EP4073915 A4 EP 4073915A4
Authority
EP
European Patent Office
Prior art keywords
notification
producing
user
methods
power tools
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.)
Withdrawn
Application number
EP21848128.1A
Other languages
German (de)
French (fr)
Other versions
EP4073915A1 (en
Inventor
Kaijia SUN
Shunkai PENG
Haibo Ma
Chao Wen
Yongmin Li
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.)
Techtronic Cordless GP
Original Assignee
Techtronic Cordless GP
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 Techtronic Cordless GP filed Critical Techtronic Cordless GP
Publication of EP4073915A1 publication Critical patent/EP4073915A1/en
Publication of EP4073915A4 publication Critical patent/EP4073915A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
    • 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
    • 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
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • 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
    • H02H7/0852—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 directly responsive to abnormal temperature by using a temperature sensor
    • 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
    • H02H7/0854—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 responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
    • 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
    • H02H7/0856—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 characterised by the protection measure taken
    • H02H7/0858—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 characterised by the protection measure taken by reversing, cycling or reducing the power supply to the motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
EP21848128.1A 2021-02-25 2021-02-25 Power tools and methods of producing a notification to a user Withdrawn EP4073915A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/077940 WO2022178771A1 (en) 2021-02-25 2021-02-25 Power tools and methods of producing a notification to a user

Publications (2)

Publication Number Publication Date
EP4073915A1 EP4073915A1 (en) 2022-10-19
EP4073915A4 true EP4073915A4 (en) 2023-02-22

Family

ID=83047667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21848128.1A Withdrawn EP4073915A4 (en) 2021-02-25 2021-02-25 Power tools and methods of producing a notification to a user

Country Status (3)

Country Link
EP (1) EP4073915A4 (en)
CN (1) CN115250643A (en)
WO (1) WO2022178771A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1067669A2 (en) * 1999-07-05 2001-01-10 Kabushiki Kaisha Meidensha Pulse-width modulation inverter
US20050077878A1 (en) * 2003-10-14 2005-04-14 Dave Carrier Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
US20200126371A1 (en) * 2018-10-19 2020-04-23 Flowserve Management Company Electronically controlled motor-driven device with vibrational acoustic alert capability

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137384C1 (en) * 1991-11-14 1993-04-22 Hilti Ag, Schaan, Li Fault warning circuitry for electric power tool - has sensor built into motor to detect wear of carbon@ brushes
US6933693B2 (en) * 2002-11-08 2005-08-23 Eaton Corporation Method and apparatus of detecting disturbances in a centrifugal pump
US8810173B2 (en) * 2010-11-18 2014-08-19 Rockwell Automation Technologies, Inc. Rotating machinery condition monitoring using position sensor
CN203396914U (en) * 2013-06-24 2014-01-15 大连民族学院 Motor running state monitoring and fault detection system
CN204439797U (en) * 2015-01-30 2015-07-01 张炜 A kind of Diagnostic system of motor fault
JP6228341B1 (en) * 2017-05-26 2017-11-08 株式会社ショーワ Failure detection device, electric power steering device
JP6514295B2 (en) * 2017-10-02 2019-05-15 株式会社ショーワ Failure detection device, electric power steering device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1067669A2 (en) * 1999-07-05 2001-01-10 Kabushiki Kaisha Meidensha Pulse-width modulation inverter
US20050077878A1 (en) * 2003-10-14 2005-04-14 Dave Carrier Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
US20200126371A1 (en) * 2018-10-19 2020-04-23 Flowserve Management Company Electronically controlled motor-driven device with vibrational acoustic alert capability

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022178771A1 *

Also Published As

Publication number Publication date
WO2022178771A1 (en) 2022-09-01
CN115250643A (en) 2022-10-28
EP4073915A1 (en) 2022-10-19

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