EP1270150A2 - Tournevis éléctrique avec DISPOSITIF D'ACCOUPLEMENT A LIMITATION DE TORSION et liaison de transmission sans fil avec une station de base - Google Patents

Tournevis éléctrique avec DISPOSITIF D'ACCOUPLEMENT A LIMITATION DE TORSION et liaison de transmission sans fil avec une station de base Download PDF

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Publication number
EP1270150A2
EP1270150A2 EP02011720A EP02011720A EP1270150A2 EP 1270150 A2 EP1270150 A2 EP 1270150A2 EP 02011720 A EP02011720 A EP 02011720A EP 02011720 A EP02011720 A EP 02011720A EP 1270150 A2 EP1270150 A2 EP 1270150A2
Authority
EP
European Patent Office
Prior art keywords
base station
radio
screwdriver
controller
transmission
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
EP02011720A
Other languages
German (de)
English (en)
Other versions
EP1270150A3 (fr
EP1270150B1 (fr
Inventor
Christian Sack
Ronny Thielens
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.)
Tool Express-Service Schraubertechnik GmbH
Original Assignee
Tool Express-Service Schraubertechnik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7687612&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1270150(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tool Express-Service Schraubertechnik GmbH filed Critical Tool Express-Service Schraubertechnik GmbH
Publication of EP1270150A2 publication Critical patent/EP1270150A2/fr
Publication of EP1270150A3 publication Critical patent/EP1270150A3/fr
Application granted granted Critical
Publication of EP1270150B1 publication Critical patent/EP1270150B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • 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

Definitions

  • the invention relates to an arrangement comprising an electrical driven screwdriver surrounded by a housing with an electrochemical energy storage, a shutdown clutch with a when a torque setpoint is reached actuated switch contact, one connected to the screwdriver Control at least for the acquisition and transmission of operating data of the screwdriver over a wireless link with a base station at least for transmission and processing of operating data communicated.
  • Screw connections in automated processes are for the Quality assurance of the screwed object of special Significance, because in particular omitted screw connections, for example as a result of work breaks, in many cases Do not attract attention at first, especially if they have a visual inspection are withdrawn. Make missing screw connections however, often becomes annoying after long use of the object noticeable. This can e.g. in automotive production too unwanted rattling noises and thus costly reworking to lead.
  • an arrangement consists of EP1068931 A2 known from a screwdriver and a control station.
  • the Screwdriver is a microprocessor unit for the control and detection of the screwing operation and a transponder unit integrated with a decoder in the control station communicates, taking control commands from the control station to the transponder of the screwdriver and from the transponder recorded data are transmitted to the decoder.
  • a transponder unit is required viewed because the data transmission over a radio link considered too unsafe and interference with other screwdrivers is feared.
  • An electric screwdriver is known from DE 196 20 782 A1, in which the torque of the Is monitored. This is done by evaluating the when driving the screwdriver flowing current, which is proportional to the torque. The evaluation is carried out in such a way that from the electronics the degree of slope of the course over time of the torque is detected. According to a certain given The electronics switch off the torque curve of the screwdriver.
  • the screw results are stored in a circuit of the screwdriver and after screwing to a stationary control unit Evaluation and / or documentation transmitted. The transmission the screwing results are wireless, for example about infrared light.
  • the invention is based on this prior art based on the task, one with little effort, in particular Low wiring effort that can be produced or retrofitted Arrangement using a conventional, non-wired Propose cordless screwdriver that has at least one Control of the number of screw connections carried out.
  • the radio link allowing bidirectional transmission allows the transmission of a protocol that allows radio transmission the data between the controller and the base station regulates. As a result is a complex transponder technology not required for data transmission.
  • the wiring effort between the control and the electrical Screwdriver is minimal. In the simplest case is only the microcontroller unit with a contact of the motor and with the switching contact of the shut-off clutch and the Power supply of the screwdriver connected, which also the module is powered.
  • This wiring alone enables the operating data to be recorded about switching the engine on and off and that Reaching the target torque of the shut-off clutch.
  • This Operating data are already sufficient to allow for one screwing object to determine whether all screw connections manufactured with the required target torque were.
  • the control already allows this wiring the detection of a so-called "double hit” try again, one up to the target torque to screw the screw connection again.
  • a time recording must be made in the control be integrated, the time between switching on the engine and reaching the target torque. falls below the measured time is a specified minimum time for the Carrying out a complete screwing, d. H. the The control unit recognizes the increase in torque very quickly Screw as already screwed.
  • the module is for example by screwing onto the housing of a conventional one Cordless screwdriver and making the few cable connections can be easily retrofitted.
  • the base station transmits and processes the operating data and for example sends them to an interface Line control in automotive manufacturing.
  • microcontroller unit of the control signals for a switch to interrupt the power supply of the electric drive can be connected depending on the bidirectional radio link of the screwdriver the condition of the belt or the progress of work on and off a production line.
  • the controller and / or the base station have an advantageous configuration Embodiment of the invention at least one in particular acoustic or optical signal generator on the for example a correct connection, the so-called "IO screw connection” signaled. There is a correct connection if the target torque has been reached. Furthermore can the operational readiness of the screwdriver, the state of charge of the Energy storage or a disturbed radio link signals become.
  • a light source arranged on the module enables illumination the screwing point, with the control unit lighting to protect the energy storage preferably only during screwed with power.
  • the generally designated 1 conventional cordless screwdriver consists essentially of a battery A of a motor M. supplied with power via line connections 2, 3. Between there is a control logic S for the battery A and the motor M, to connect and disconnect the power supply from the battery to the Engine.
  • the control logic S optionally enables a reversal of the current direction between battery A and motor M as well as a change the speed of the motor M.
  • Via at least one control element B can be the various control functions of the Trigger control logic S.
  • a gearbox G is flanged to the motor M, via which the Transfer the reduced engine speed to a tool holder W. becomes.
  • a mechanical shut-off clutch K with one not electrical switch contact shown arranged at When a torque setpoint is reached.
  • the electrical switch contact is via line connections 4 with an input 5 of the control logic S. Will the switch contact opens when the torque setpoint is reached, interrupts the control logic S independent of the control element B the power supply to the motor M. This turns one into high tightening torque of the screw connection prevented.
  • the cordless screwdriver 1 On the top of the cordless screwdriver 1 there is a total of 6 designated control screwed on over a radio link with a base station denoted overall by 7 communicated.
  • the controller 6 and the base station 7 point a radio transmitter TX1, TX2 and a radio receiver RX1, RX2 for bidirectional transmission of the radio signals on.
  • One microcontroller each L1, L2 in the Control 6 and the base station 7 provide the regulated Transmission of radio signals safely and generate control signals.
  • the microcontroller L1 of the controller 6 generates control signals for an interrupter relay R in the line connection 2 between the battery A and the control logic S as well as for one the signal generator M1 connected to the microcontroller L1.
  • the Control signals are transmitted via line connections 8, 9.
  • An input 11 of the microcontroller L1 is via a Line connection 14 connected to a contact of the motor M.
  • Another input 12 of the microcontroller L1 is over a line connection 13 directly to the switch contact the shutdown clutch K connected.
  • the microcontroller L2 generates control signals for one at the Base station 7 connected band controller 15 of an automobile production as well as for one connected to the microcontroller L2 Signal generator M2.
  • the control signals are over Line connections 16, 17 transmitted.
  • An entrance 18 of the Microcontroller L2 is connected via a line connection 19 the tape controller 15 connected.
  • the band controller 15 transmits via the line connection 19 a signal "Enable" to the input 18 at the base station 7, when a new object to be screwed with a defined one Number of screw connections has arrived.
  • This Signal is evaluated by the micro controller L2 and over the transmitter TX2 to the receiver RX1 sent to the controller 6.
  • the microcontroller L1 evaluates the incoming signal and switches over the connecting line 8 by means of the interrupter relay R the power supply to the motor M. additionally the microcontroller L1 generates a signal which is transmitted via the Signal generator M1, e.g. a buzzer or an LED that Indicates that the cordless screwdriver is ready for operation.
  • the microcontroller is L1 known whether the motor M is switched on or off and whether the shut-off clutch K has reached the target torque. This Information enables the operating status to be recognized the cordless screwdriver and making a screw connection until the target torque is reached.
  • so-called "IO screw connection” is a signal from the microcontroller L1 generated by the signal generator M1 displayed and via the transmitter TX1 to the receiver RX2 Base station is transmitted.
  • the base station 7 shows the recognized "IO screw connection” also via their signal transmitter M2 and transmits the signal via the line connection 17 to the belt control 15. Has all been provided for the object Signals screw connections to the belt control 15, transmits the band controller 15 to the input 18 of the base station 7 a signal to switch off the cordless screwdriver 1 sent via the radio link to the controller 6 of the cordless screwdriver 1 becomes.
  • the microcontroller L1 recognizes the shutdown signal and interrupts Power supply to the motor via the interruption relay R. M. At the same time, the successful manufacture of all Screw connections indicated by the signal generator M1.
  • FIG 2a shows a side view of a conventional cordless screwdriver 1 with a retrofitted control 6 and one shown in Figure 2 b, at a distance from the cordless screwdriver erected base station 7.
  • the base station 7 instructs a slot 21 for receiving a plug-in card having electrical connectors 22 on.
  • the microcontroller is located on the plug-in card 22 L2 of the base station 7, with its other components via the electrical connectors by pushing in the slot can be connected.
  • Microcontroller L1 of each cordless screwdriver 1 is an electronic one Identification, for example in the form of a serial number. saved and a plug-in card for each cordless screwdriver 1 22 with a corresponding electronic identification heard, each cordless screwdriver 1 with such plug-in card 22 at any base station 7 without programming used.
  • Cordless Screwdriver 18th entrance Second line connections 19th line connections Third line connections 20th - 4th line connections 21st slot 5th entrance 22nd plug 6th control A. battery pack 7th base station B. operating element 8th. line connections S. control logic 9th line connections M. engine 10th - G. transmission 11th entrance K. shut-off 12th entrance W. tool holder 13th line connections TX1,2 Radio transmitter 14th line connections RX1,2 Radio receiver 15th belt control L1,2 microcontroller 16th line connections M1.2 Indicator lights, acoustic signaling devices, screw point lighting 17th line connections R. Breaker relay

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
EP02011720A 2001-06-07 2002-05-25 Tournevis éléctrique avec DISPOSITIF D'ACCOUPLEMENT A LIMITATION DE TORSION et liaison de transmission sans fil avec une station de base Expired - Lifetime EP1270150B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10127821 2001-06-07
DE10127821A DE10127821C5 (de) 2001-06-07 2001-06-07 Anordnung zum Betrieb eines Elektro-Schraubers

Publications (3)

Publication Number Publication Date
EP1270150A2 true EP1270150A2 (fr) 2003-01-02
EP1270150A3 EP1270150A3 (fr) 2003-09-03
EP1270150B1 EP1270150B1 (fr) 2005-08-31

Family

ID=7687612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011720A Expired - Lifetime EP1270150B1 (fr) 2001-06-07 2002-05-25 Tournevis éléctrique avec DISPOSITIF D'ACCOUPLEMENT A LIMITATION DE TORSION et liaison de transmission sans fil avec une station de base

Country Status (4)

Country Link
EP (1) EP1270150B1 (fr)
AT (1) ATE303233T1 (fr)
DE (2) DE10127821C5 (fr)
ES (1) ES2248441T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1902817A2 (fr) * 2006-09-22 2008-03-26 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
USRE41160E1 (en) 2004-02-06 2010-03-02 Gilmore Curt D Error proofing system for portable tools
EP3047943A3 (fr) * 2015-01-20 2017-01-11 Jörg Hohmann Visseuse
DE102016219784A1 (de) 2016-10-12 2018-04-12 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben einer Werkzeugvorrichtung, sowie Werkzeugvorrichtung
US10950074B2 (en) 2017-08-07 2021-03-16 Milwaukee Electric Tool Corporation Power tool with irreversably lockable compartment
US11212909B2 (en) 2019-11-21 2021-12-28 Milwaukee Electric Tool Corporation Insertable wireless communication device for a power tool
US11260514B2 (en) 2017-11-29 2022-03-01 Milwaukee Electric Tool Corporation Externally attachable tracking module for a power tool
US11665519B2 (en) 2019-02-06 2023-05-30 Milwaukee Electric Tool Corporation Power tool with shared terminal block

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9126317B2 (en) 2002-06-27 2015-09-08 Snap-On Incorporated Tool apparatus system and method of use
EP1439035A1 (fr) * 2002-12-16 2004-07-21 Fast Technology AG Dispositif de traitement et commande de signaux pour un outil dynamometrique motorisé
DE10258900B4 (de) * 2002-12-17 2006-02-23 Bayerische Motoren Werke Ag Akkuschrauber für Sicherheitsverschraubungen
DE10260706C5 (de) * 2002-12-23 2019-03-14 Hilti Aktiengesellschaft Transponderaufnahme
DE102004021536A1 (de) 2004-05-03 2005-12-08 Robert Bosch Gmbh Verfahren und Vorrichtung zum Herstellen von Schraubverbindungen
DE102004047232A1 (de) * 2004-09-29 2006-04-06 Bosch Rexroth Aktiengesellschaft Werkzeug mit Signalgeber
SE530667C2 (sv) * 2007-01-15 2008-08-05 Atlas Copco Tools Ab Portabelt motordrivet verktyg med trådlös kommunikation med en stationär styrenhet
DE102007061374A1 (de) 2007-12-19 2009-06-25 Robert Bosch Gmbh Steuermodul
DE102009047443B4 (de) 2009-12-03 2024-04-11 Robert Bosch Gmbh Handwerkzeugmaschine
DE102010056523B4 (de) 2010-12-29 2022-02-10 Robert Bosch Gmbh Tragbares akkubetriebenes Werkzeug mit elektrischem Pufferelement und Verfahren zum Auswechseln des Akkumulators
US10124455B2 (en) 2011-07-24 2018-11-13 Makita Corporation Theft-deterrence system for power tool system, and adapter and method therefor
US9577450B2 (en) 2011-07-24 2017-02-21 Makita Corporation Charger for hand-held power tool, power tool system and method of charging a power tool battery
US9537335B2 (en) 2011-07-24 2017-01-03 Makita Corporation Adapter for power tools, power tool system and method for wirelessly communicating maintenance information therefor
US9917457B2 (en) 2015-02-02 2018-03-13 Black & Decker Inc. Power tool with USB connection

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH06312381A (ja) * 1993-04-27 1994-11-08 Uriyuu Seisaku Kk トルクコントロールレンチにおけるねじ締付作業の管理方法
US5898379A (en) * 1997-12-29 1999-04-27 Ford Global Technologies, Inc. Wireless cycle monitoring system for power tools
JPH11129164A (ja) * 1997-10-28 1999-05-18 Shinichi Kanei 情報を活用する工具、ならびに、その工具システム
JP2000024945A (ja) * 1998-07-02 2000-01-25 Access:Kk 組立作業におけるねじ締め確認装置
US6076438A (en) * 1996-03-11 2000-06-20 Atlas Copco Tools Ab Power nutrunner with torque release clutch and a setting tool

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DE3324304A1 (de) * 1983-07-06 1985-01-17 C. & E. Fein Gmbh & Co, 7000 Stuttgart Netzunabhaengiger elektroschrauber mit abschaltung
DE4429206C2 (de) * 1994-08-18 1998-04-09 Atlas Copco Tools Ab Einrichtung zur Betriebssperre bzw. Betriebsfreigabe einer elektrischen Handwerkzeugmaschine
DE19620782A1 (de) * 1995-06-03 1996-12-05 Volkswagen Ag Verfahren zur Herstellung einer Schraubverbindung und Vorrichtung hierfür
DE19647813C2 (de) * 1996-11-19 2003-07-03 Joerg Hohmann Kraftschrauber
ITMI991523A1 (it) * 1999-07-12 2001-01-12 Blm S A S Di L Bareggi & C Utensile di serraggio e stazione di monitoraggio con comunicazione reciproca senza fili
DE19961374A1 (de) * 1999-12-20 2001-06-21 Volkswagen Ag Vorrichtung zum Herstellen von Schraubverbindungen

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06312381A (ja) * 1993-04-27 1994-11-08 Uriyuu Seisaku Kk トルクコントロールレンチにおけるねじ締付作業の管理方法
US6076438A (en) * 1996-03-11 2000-06-20 Atlas Copco Tools Ab Power nutrunner with torque release clutch and a setting tool
JPH11129164A (ja) * 1997-10-28 1999-05-18 Shinichi Kanei 情報を活用する工具、ならびに、その工具システム
US5898379A (en) * 1997-12-29 1999-04-27 Ford Global Technologies, Inc. Wireless cycle monitoring system for power tools
JP2000024945A (ja) * 1998-07-02 2000-01-25 Access:Kk 組立作業におけるねじ締め確認装置

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PATENT ABSTRACTS OF JAPAN vol. 1995, no. 02, 31. März 1995 (1995-03-31) & JP 06 312381 A (URIYUU SEISAKU KK), 8. November 1994 (1994-11-08) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 10, 31. August 1999 (1999-08-31) & JP 11 129164 A (KANEI SHINICHI), 18. Mai 1999 (1999-05-18) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04, 31. August 2000 (2000-08-31) & JP 2000 024945 A (ACCESS:KK), 25. Januar 2000 (2000-01-25) *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE41160E1 (en) 2004-02-06 2010-03-02 Gilmore Curt D Error proofing system for portable tools
USRE41185E1 (en) 2004-02-06 2010-03-30 Gilmore Curt D Error proofing system for portable tools
EP1902817A2 (fr) * 2006-09-22 2008-03-26 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
EP1902817A3 (fr) * 2006-09-22 2009-05-13 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
EP3047943A3 (fr) * 2015-01-20 2017-01-11 Jörg Hohmann Visseuse
US11014222B2 (en) 2015-01-20 2021-05-25 Jorg Hohmann Nut runner
DE102016219784A1 (de) 2016-10-12 2018-04-12 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben einer Werkzeugvorrichtung, sowie Werkzeugvorrichtung
US10950074B2 (en) 2017-08-07 2021-03-16 Milwaukee Electric Tool Corporation Power tool with irreversably lockable compartment
US11869288B2 (en) 2017-08-07 2024-01-09 Milwaukee Electric Tool Corporation Power tool with compartment for receiving another device
US11260514B2 (en) 2017-11-29 2022-03-01 Milwaukee Electric Tool Corporation Externally attachable tracking module for a power tool
US11665519B2 (en) 2019-02-06 2023-05-30 Milwaukee Electric Tool Corporation Power tool with shared terminal block
US11963079B2 (en) 2019-02-06 2024-04-16 Milwaukee Electric Tool Corporation Power tool with shared terminal block
US11570888B2 (en) 2019-11-21 2023-01-31 Milwaukee Electric Tool Corporation Insertable wireless communication device for a power tool
US11375610B2 (en) 2019-11-21 2022-06-28 Milwaukee Electric Tool Corporation Insertable wireless communication device for a power tool
US11871509B2 (en) 2019-11-21 2024-01-09 Milwaukee Electric Tool Corporation Insertable wireless communication device for a power tool
US11212909B2 (en) 2019-11-21 2021-12-28 Milwaukee Electric Tool Corporation Insertable wireless communication device for a power tool

Also Published As

Publication number Publication date
ATE303233T1 (de) 2005-09-15
DE10127821C5 (de) 2005-05-12
DE50204058D1 (de) 2005-10-06
ES2248441T3 (es) 2006-03-16
DE10127821C1 (de) 2002-07-18
EP1270150A3 (fr) 2003-09-03
EP1270150B1 (fr) 2005-08-31

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