EP3375571A3 - Sensor system for an electric screwdriver for classifying screw processes by means of a magnetic field sensor - Google Patents

Sensor system for an electric screwdriver for classifying screw processes by means of a magnetic field sensor Download PDF

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Publication number
EP3375571A3
EP3375571A3 EP18158384.0A EP18158384A EP3375571A3 EP 3375571 A3 EP3375571 A3 EP 3375571A3 EP 18158384 A EP18158384 A EP 18158384A EP 3375571 A3 EP3375571 A3 EP 3375571A3
Authority
EP
European Patent Office
Prior art keywords
magnetic field
sensor
electric screwdriver
field sensor
sensor system
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.)
Granted
Application number
EP18158384.0A
Other languages
German (de)
French (fr)
Other versions
EP3375571B1 (en
EP3375571A2 (en
Inventor
Christian Nickel
Jochen Seitz
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Publication date
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP3375571A2 publication Critical patent/EP3375571A2/en
Publication of EP3375571A3 publication Critical patent/EP3375571A3/en
Application granted granted Critical
Publication of EP3375571B1 publication Critical patent/EP3375571B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • 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

Abstract

Eine Sensorik für einen Elektroschrauber umfasst einen Magnetfeldsensor sowie eine Auswerteeinheit. Der Magnetfeldsensor ist ausgebildet, um ein Magnetfeld, welches aus der Bewegung eines Elektromotors des Elektroschraubers herrührt, zu detektieren und, um als Signal die Magnetfeldstärke auszugeben. Die Auswerteeinheit ist ausgebildet, um anhand des Verlaufs des Signals bezüglich der Magnetfeldstärke über die Zeitschraub- und/oder Bohrvorgänge zu klassifizieren.

Figure imgaf001
A sensor for an electric screwdriver comprises a magnetic field sensor and an evaluation unit. The magnetic field sensor is designed to detect a magnetic field resulting from the movement of an electric motor of the electric screwdriver and to output the magnetic field strength as a signal. The evaluation unit is designed to classify on the basis of the course of the signal with respect to the magnetic field strength over the Zeitschraub- and / or drilling operations.
Figure imgaf001
EP18158384.0A 2017-02-23 2018-02-23 Sensor system for an electric screwdriver for classifying screw processes by means of a magnetic field sensor Active EP3375571B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017202976.5A DE102017202976A1 (en) 2017-02-23 2017-02-23 Sensor system for an electric screwdriver for the classification of screwing processes by means of a magnetic field sensor

Publications (3)

Publication Number Publication Date
EP3375571A2 EP3375571A2 (en) 2018-09-19
EP3375571A3 true EP3375571A3 (en) 2019-01-09
EP3375571B1 EP3375571B1 (en) 2023-07-05

Family

ID=61274178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18158384.0A Active EP3375571B1 (en) 2017-02-23 2018-02-23 Sensor system for an electric screwdriver for classifying screw processes by means of a magnetic field sensor

Country Status (3)

Country Link
EP (1) EP3375571B1 (en)
DE (1) DE102017202976A1 (en)
ES (1) ES2962378T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020209809A1 (en) 2020-08-04 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Method for training a classifier for determining a handheld power tool device status

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060155582A1 (en) * 1992-11-17 2006-07-13 Health Hero Network, Inc. Modular microprocessor-based power tool system
DE102006053091A1 (en) * 2006-11-10 2008-05-15 Siemens Ag Electric motor for use in speed determining system, has flux deflecting unit provided at rotor to cause deflection of magnetic flux depending on position of rotor shaft, so that flux is changed by sensor depending on position of shaft
DE102009027587A1 (en) * 2009-07-09 2011-01-13 Hilti Aktiengesellschaft System for vibration detection
US20110114345A1 (en) * 2009-11-17 2011-05-19 Gerd Schlesak Handheld power tool device
US8004664B2 (en) * 2002-04-18 2011-08-23 Chang Type Industrial Company Power tool control system
DE102011087361B3 (en) * 2011-11-29 2013-01-31 Hilti Aktiengesellschaft Suction device and control method
US20130189041A1 (en) * 2010-09-30 2013-07-25 Hitachi Koki Co., Ltd. Power Tool
DE102012224407A1 (en) * 2012-12-27 2014-07-03 Robert Bosch Gmbh Electric power tool e.g. rechargeable battery nut runner has microcontroller and sensor that are integrated in common component
EP2871029A1 (en) * 2013-11-09 2015-05-13 Illinois Tool Works Inc. Method for operating a hand-held power tool
US20160299526A1 (en) * 2013-09-10 2016-10-13 Polyera Corporation Attachable article with signaling, split display and messaging features
DE102016108841A1 (en) * 2015-05-13 2016-11-17 Makita Corporation power tool
DE102015215362A1 (en) * 2015-08-12 2017-02-16 Robert Bosch Gmbh Method for setting at least one parameter of a handheld power tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010030410B4 (en) 2010-06-23 2012-05-10 Hilti Aktiengesellschaft Screwdrivers and control methods
WO2012177751A1 (en) * 2011-06-21 2012-12-27 Ansell Limited Method and apparatus for controlling equipment activation
DE102012208855A1 (en) 2012-05-25 2013-11-28 Robert Bosch Gmbh Hand tool

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060155582A1 (en) * 1992-11-17 2006-07-13 Health Hero Network, Inc. Modular microprocessor-based power tool system
US8004664B2 (en) * 2002-04-18 2011-08-23 Chang Type Industrial Company Power tool control system
DE102006053091A1 (en) * 2006-11-10 2008-05-15 Siemens Ag Electric motor for use in speed determining system, has flux deflecting unit provided at rotor to cause deflection of magnetic flux depending on position of rotor shaft, so that flux is changed by sensor depending on position of shaft
DE102009027587A1 (en) * 2009-07-09 2011-01-13 Hilti Aktiengesellschaft System for vibration detection
US20110114345A1 (en) * 2009-11-17 2011-05-19 Gerd Schlesak Handheld power tool device
US20130189041A1 (en) * 2010-09-30 2013-07-25 Hitachi Koki Co., Ltd. Power Tool
DE102011087361B3 (en) * 2011-11-29 2013-01-31 Hilti Aktiengesellschaft Suction device and control method
DE102012224407A1 (en) * 2012-12-27 2014-07-03 Robert Bosch Gmbh Electric power tool e.g. rechargeable battery nut runner has microcontroller and sensor that are integrated in common component
US20160299526A1 (en) * 2013-09-10 2016-10-13 Polyera Corporation Attachable article with signaling, split display and messaging features
EP2871029A1 (en) * 2013-11-09 2015-05-13 Illinois Tool Works Inc. Method for operating a hand-held power tool
DE102016108841A1 (en) * 2015-05-13 2016-11-17 Makita Corporation power tool
DE102015215362A1 (en) * 2015-08-12 2017-02-16 Robert Bosch Gmbh Method for setting at least one parameter of a handheld power tool

Also Published As

Publication number Publication date
DE102017202976A1 (en) 2018-08-23
ES2962378T3 (en) 2024-03-18
EP3375571B1 (en) 2023-07-05
EP3375571A2 (en) 2018-09-19

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